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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
UC1071640
Acer macrophyllum
H. C. Lee
1936-4-6
551
San Luis Obispo
Head of Davis Canyon San Luis Obispo National Forest, Port San Luis Quad.
Comment
OBI13047
Acmispon americanus var. americanus
R. R. La Belle
1967-10-10
47
San Luis Obispo
Laguna lake, San Luis Obispo. NE side of lake
8
Comment
UCD103818
Acmispon americanus var. americanus
G. K. Helmkamp; E. A. Helmkamp
2000-9-2
5964
San Luis Obispo
San Luis Obispo County: Iris Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.
137
Comment
OBI81378
Acmispon glaber
Chris Codding, Ari Burton, Karis Russell, Ryan Doan
2015-4-28
10
San Luis Obispo
Irish Hills, take Sterling Land and hike into surrounding hills. Sample taken from Northeast-facing slope. Side of hill next to trail.
Comment
UCD103762
Acmispon junceus
G. Helmkamp; E. Helmkamp
1995-6-20
95 2 19
San Luis Obispo
San Luis Obispo County: Bear Creek Ranch, SE of Los Osos. 6 mi. SE of Los Osos on Clark Valley Road.
396
Comment
UCD104274
Acmispon procumbens var. procumbens
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6562
San Luis Obispo
San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos).
91
Comment
OBI48250
Acmispon wrangelianus
David J. Keil
1989-5-3
21210
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
OBI75243
Acmispon wrangelianus
David J. Keil
2011-5-12
31022
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
333
Comment
OBI79707
Acmispon wrangelianus
David J. Keil
2012-5-27
31359
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
UCD104494
Acmispon wrangelianus
G. K. Helmkamp; E. K. Helmkamp
2001-4-29
6577
San Luis Obispo
San Luis Obispo County: Irish Hills; Clark Valley Road; 3.8 miles south of Los Osos Valley Rd. (east of Los Osos).
213
Comment
OBI44941
Acroptilon repens
David J. Keil
1984-7-20
18305
San Luis Obispo
Just E of Foothill Rd along Los Osos Valley Rd
Comment
OBI47470
Acroptilon repens
Deanna L. B. Montgomery
1986-8-10
57
San Luis Obispo
San Luis Obispo. Los Osos Valley Rd near Foothill Rd
70
Comment
UCR103802
Adiantum jordanii
George K. Helmkamp
1997-3-8
1455
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR161284
Adiantum jordanii
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9045
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road
98
Comment
UCR161304
Adiantum jordanii
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9101
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
UCSB39925
Adiantum jordanii
Shaw, J.
1982-7-1
San Luis Obispo
Perfumo Canyon Road, one mi S of Los Osos Valley Road in San Luis Obispo
91
Comment
CAS-BOT-BC29367
Ageratina adenophora
Ernest C. Twisselmann
1959-4-10
5030
San Luis Obispo
Irish Hills: See Canyon
106
Comment
CAS-BOT-BC29368
Ageratina adenophora
Ernest C. Twisselmann
1959-4-10
5030
San Luis Obispo
Irish Hills: See Canyon
106
Comment
OBI72012
Ageratina adenophora
Michael Walgren
2010-2-1
71
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn Rd. Inland portion of property on inland side of See Cyn rd. In un-nmaed drainage N of home site
335
Comment
RSA643444
Ageratina adenophora
R. D. Goeden, D. W. Ricker
1972-5-2
s.n.
San Luis Obispo
See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo
183
Comment
UCR109778
Ageratina adenophora
R. D. Goeden, Don W. Ricker
1972-5-2
s.n.
San Luis Obispo
Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo
183
Comment
UCR142583
Ageratina adenophora
George K. Helmkamp, Elizabeth Helmkamp
2000-4-19
5377
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR115788
Agoseris grandiflora
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5374
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
OBI75251
Agoseris grandiflora var. grandiflora
David J. Keil
2011-5-12
31014
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
354
Comment
SEINET13723982
Agropyron intermedium
D. Keil
1977-8-7
12487
San Luis Obispo
Along Los Osos Valley Road at turnoff to Telephone Company Road c. 0.5 mi west of Foothill Blvd.
44
Comment
RSA749096
Agrostis densiflora
David J. Keil
2001-6-14
29523
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material.
800
Comment
UC1928140
Agrostis densiflora
David Keil, Jill Bushakra
2001-6-14
29544
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI2571
Agrostis exarata
Larry E. Brown
1971-7-8
2062
San Luis Obispo
In Prefumo Cyn near San Luis Obispo
Comment
OBI59209
Agrostis exarata
David J. Keil
2001-5-31
29522
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI59211
Agrostis exarata
David J. Keil
2001-6-14
29523
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI59368
Agrostis exarata
David J. Keil, with Jill Bushakra
2001-6-14
29544
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI59370
Agrostis exarata
David J. Keil, with Jill Bushakra
2001-6-14
29553
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
RSA751810
Agrostis exarata
David J. Keil
2001-6-14
29522
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material.
800
Comment
UCD52074
Agrostis exarata
Larry E. Brown
1971-7-8
2062
San Luis Obispo
San Luis Obispo County: in Perfumo Canyon near San Luis Obispo.
Comment
RSA749087
Agrostis exarata var. monolepis
David J. Keil, Jill Bushakra
2001-6-14
29544
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material.
800
Comment
JEPS100285
Agrostis hooveri
John M. Miller
1993-7-8
1430
San Luis Obispo
Devils Ridge to upper Coon Creek road Irish Hills, PG&E Diablo Canyon Power Plant
365
Comment
OBI50135
Agrostis pallens
Michael Curto, Linda Allen
1991-6-8
730
San Luis Obispo
San Luis Range (Irish Hills), NE slope, Prefumo Cyn rd approx 3 km SW from Los Osos Valley rd jctn
225
Comment
OBI59207
Agrostis pallens
Michael Curto
2001-5-31
29520
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI79712
Agrostis pallens
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31372
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
UC1130599
Alisma plantago-aquatica
B. Bolt
1936-4-28
695
San Luis Obispo
1.5 mi w Cerro San Luis Obispo; San Luis Obispo Quad.
45
Comment
OBI5015
Alisma triviale
Robert J. Rodin
1956-5-22
6078
San Luis Obispo
Into Laguna lake near Los Osos Valley rd
Comment
OBI6181
Alisma triviale
Robert J. Rodin
1956-5-29
6078
San Luis Obispo
Crk in Osos Valley which runs into Laguna Lake
Comment
UCR38977
Alisma triviale
R. J. Rodin
1956-5-29
6078
San Luis Obispo
Creek in Osos Valley which runs into Laguna Lake
40
Comment
OBI75249
Allium haematochiton
David J. Keil
2011-5-12
31016
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
345
Comment
UC570020
Allium haematochiton
H. C. Lee
1936-3-23
527
San Luis Obispo
1/2 mi s Mine Hill; Arroyo Grande Quadrangle
259
Comment
OBI54207
Allium lacunosum var. lacunosum
David J. Keil, V. L. Holland
1996-6-6
25882
San Luis Obispo
Prefumo Cyn Homes project site along Prefumo Crk ca 1/3 mi from Los Osos Valley Rd
Comment
OBI58906
Amaryllis belladonna
David J. Keil, Kathleen Keil
1998-8-9
27921
San Luis Obispo
Foothill Rd., 1/2 way between Los Osos Valley Rd. and O'Connor Way on W side of highway.
Comment
OBI73654
Amaryllis belladonna
David J. Keil
2010-8-30
30929
San Luis Obispo
Upper Prefumo Canyon Road, ca. 4.2 road miles from junction with Los Osos Valley Road, ca. 0.8 road miles from Prefumo-See Canyon summit
480
Comment
UC1953211
Amaryllis belladonna
David Keil
2010-8-30
30929
San Luis Obispo
Upper Prefumo Canyon Road, ca. 4.2 road miles from junction with Los Osos Valley Road, ca. 0.8 road miles from Prefumo-See Canyon summit.
Comment
UCR118348
Amaryllis belladonna
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5973
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
SD185108
Ammi majus
G. K. Helmkamp, E. A. Helmkamp
1995-6-20
95 2 13
San Luis Obispo
Bear Creek Ranch, 6.0 miles southeast of Los Osos on Clark Valley Road.
399
Comment
UCR166284
Ammi majus
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 13
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI78836
Amsinckia intermedia
Michael Walgren
2014-4-30
403
San Luis Obispo
San Luis Range along the PG&E access road above Wild Cherry Canyon
359
Comment
OBI75255
Amsinckia menziesii
David J. Keil
2011-5-12
31010
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
354
Comment
UC1123233
Anagallis arvensis
H. C. Lee
1936-3-19
529
San Luis Obispo
2 mi. n. Miles; Arroyo Grande Quad.
Comment
UCR122477
Anagallis arvensis
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3891
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
CAS-BOT-BC102278
Anthemis cotula
R. F. Hoover
1965-8-1
9500
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC84624
Anthemis cotula
R. F. Hoover
1965-8-1
9500
San Luis Obispo
Valley west of Mt. Bishop
Comment
OBI17084
Anthemis cotula
Robert F. Hoover
1965-8-1
9500
San Luis Obispo
Valley W of Mt Bishop
Comment
OBI31649
Anthemis cotula
Smeltzer, Turnquist
1982-7-28
212
San Luis Obispo
Along the northern foot trl in Laguna Lake Park
Comment
OBI38210
Anthemis cotula
Eric Wise
1981-6-15
569
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
UC1285163
Anthemis cotula
R. F. Hoover
1965-8-1
9500
San Luis Obispo
valley w of Mt. Bishop
Comment
UCR118375
Anthemis cotula
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4250
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR122474
Anthemis cotula
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3894
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCSB39888
Anthemis cotula
Shaw, J.
1982-7-1
San Luis Obispo
At the intersection of Los Osos Valley Road and Descanso Street in San Luis Obispo
45
Comment
UCR14945
Anthriscus caucalis
George K. Helmkamp
1976-5-16
s.n.
San Luis Obispo
Central Coast, Hwy 1, Avila Beach turnoff
Comment
OBI80016
Apocynum cannabinum
David J. Keil
2013-7-6
31823
San Luis Obispo
San Luis Range. Prefumo Canyon Road. Creek bottom at bridge 2
90
Comment
CDA24195
Aquilegia eximia
T. C. Fuller
1962-7-19
9242
San Luis Obispo
Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo.
0
Comment
CDA24196
Aquilegia eximia
T. C. Fuller
1962-7-19
9242
San Luis Obispo
Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo.
0
Comment
UCR25006
Aquilegia eximia
George K. Helmkamp
1981-8-7
s.n.
San Luis Obispo
Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley
213
Comment
CAS-BOT-BC27029
Aquilegia fontinalis
Alice Eastwood; John Thomas Howell
1938-6-14
5934
San Luis Obispo
Prefumo Canyon
Comment
CAS-BOT-BC27030
Aquilegia fontinalis
Alice Eastwood; John Thomas Howell
1938-6-14
5934
San Luis Obispo
Prefumo Canyon
Comment
CAS-BOT-BC27031
Aquilegia fontinalis
Alice Eastwood; John Thomas Howell
1938-6-14
5934
San Luis Obispo
Prefumo Canyon
Comment
GH38116
Aquilegia fontinalis
A. Eastwood & J. T. Howell
1938-6-14
5934
Unknown
Prefumo Canyon
Comment
NY353238
Aquilegia fontinalis
A. Eastwood
1938-6-14
5934
San Luis Obispo
Prefumo Canyon
Comment
OBI79709
Arctostaphylos crustacea
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31370
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
OBI79802
Arctostaphylos crustacea
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31369
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
OBI66788
Arctostaphylos crustacea subsp. crustacea
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve. First overlook, 1.8 mi in from road
Comment
SBBG119459
Arctostaphylos crustacea subsp. crustacea
C. Bornstein, E. Collins
2006-9-21
San Luis Obispo
See Cyn Rd, ca. 3 mi NW of Davis Cyn Rd
228
Comment
UCR266051
Arctostaphylos crustacea subsp. crustacea
David J. Keil, Mike Walgren, Sally Krenn
2012-6-21
31369
San Luis Obispo
Central Coast, San Luis Range, Irish Hills. Road from See Canyon to Davis Peak
447
Comment
UC1389142
Arctostaphylos cruzensis
B. Bolt
1936-3-18
638
San Luis Obispo
4 mi se mouth of Osos Creek; Cayucos Quadrangle
243
Comment Read comments Dec 24 2016
UCR103805
Arctostaphylos luciana
George K. Helmkamp
1997-3-8
1445
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR115298
Arctostaphylos morroensis
Austin P. Griffiths
1981-11-7
s.n.
San Luis Obispo
Along S lope of crest of ridge and down draws on S ridge of Hazard Canyon, c. 2 mi east of Pecho Road.
69
Comment
OBI54246
Arctostaphylos obispoensis
David J. Keil, V. L. Holland
1996-6-6
25888
San Luis Obispo
Prefumo Cyn homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd
Comment
CAS-BOT-BC44411
Arctostaphylos pechoensis
Gertrude Sinsheimer
1934-5-24
s.n.
San Luis Obispo
Between See Canyon and Irish Hills
Comment
CAS-BOT-BC44412
Arctostaphylos pechoensis
Gertrude Sinsheimer
1934-5-24
s.n.
San Luis Obispo
Between See Canyon and Irish Hills
Comment
CHSC45798
Arctostaphylos pechoensis
L. P. Janeway; Lela Burdett, Bernard Burdett
1988-12-30
3165
San Luis Obispo
In See Cyn near pass into Coon Creek; along See Cyn Rd 3.7 mi W of Davis Cyn Rd.
320
Comment
OBI26205
Arctostaphylos pechoensis
Lyda W. Edge
1974-6-10
446
San Luis Obispo
Near summit of See Cyn rd
Comment
OBI66776
Arctostaphylos pechoensis
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve. First overlook, 1.8 mi in from road
Comment
OBI75081
Arctostaphylos pechoensis
Michael Walgren
2011-2-25
222
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See cyn rd. near a home
292
Comment
OBI75101
Arctostaphylos pechoensis
Michael Walgren
2011-2-25
242
San Luis Obispo
Irish HIlls, Montana de Oro State Park. New property acquisition known as the "Andre" property just S of where Coon crk hits Perfumo Cyn rd, near the jctn with See Cyn rd
330
Comment
OBI82352
Arctostaphylos pechoensis
David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al.
2016-1-1
33441 -B
San Luis Obispo
Upper See Canyon
415
Comment
OBI82354
Arctostaphylos pechoensis
David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al.
2016-1-1
33441 -A
San Luis Obispo
Upper See Canyon
415
Comment
OBI82391
Arctostaphylos pechoensis
David J. Keil, with Matt Ritter, Jenn Yost, Brett Hall, et al.
2016-1-1
33441 -C
San Luis Obispo
Upper See Canyon
Comment
SBBG114649
Arctostaphylos pechoensis
D. Wilken with E. Painter
2002-4-1
15886
San Luis Obispo
See Cyn, ca. 1.3 map km SE of jct with Prefumo Cyn Rd at Coon Crk, ca. 0.9 air km SSE of head of See Cyn
250
Comment
SBBG119458
Arctostaphylos pechoensis
C. Bornstein, E. Collins
2006-9-21
San Luis Obispo
See Cyn Rd, ca. 0.8 mi NW of jct with Davis Cyn Rd
68
Comment
SBBG48525
Arctostaphylos pechoensis
L. W. Edge
1974-6-10
446
San Luis Obispo
near summit, See Cyn Rd
Comment
SBBG48526
Arctostaphylos pechoensis
L. W. Edge
1974-6-10
448
San Luis Obispo
near summit, See Cyn Rd
Comment
SBBG48528
Arctostaphylos pechoensis
L. W. Edge
1974-6-10
447
San Luis Obispo
near summit, See Cyn Rd
Comment
UCD53467
Arctostaphylos pechoensis
G. K. Helmkamp; E. K. Helmkamp
2001-4-29
6570
San Luis Obispo
Irish Hills; Clark Valley Road; 2.8 miles south of Los Osos Valley Rd. (east of Los Osos).
91
Comment
UCR134410
Arctostaphylos pechoensis
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6570
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UCSB37989
Arctostaphylos pechoensis
Edge, Lyda
1974-6-10
San Luis Obispo
Near summit of See Canyon Road
Comment
UCR25455
Arctostaphylos pechoensis var. viridissima
Michael J. Kelly
1975-3-27
045
San Luis Obispo
Central Coast, left side of See Canyon Road, 4 mi from San Luis Bay Drive off of Hwy 101
183
Comment
UC1120105
Arctostaphylos tomentosa subsp. crustacea
A. E. Wieslander
1935-2-24
531
San Luis Obispo
head of canyon Port San Luis Quadrangle, Davis Canyon
Comment
UC1120113
Arctostaphylos tomentosa subsp. crustacea
A. E. Wieslander
1935-2-24
529
San Luis Obispo
head of canyon Port San Luis Quadrangle, Davis Canyon
Comment
CDA11170
Arctostaphylos tomentosa subsp. daciticola
G. F. Hrusa
1987-6-16
5418
San Luis Obispo
Irish Hills; N slope of Buchon Ridge at S end of Montana de Oro State park.
Comment
RSA660609
Arctostaphylos tomentosa subsp. tomentosa
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve. At overlook, 1.8 mi. in from gate.
Comment
RSA660361
Arctostaphylos wellsii
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve, immediate across trail NW of correl, 2.5 mi. from gate.
Comment
UCD51082
Arctostaphylos wellsii
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve. Immediate across trail NW of corral, 2.5 mi from gate.
Comment
OBI49932
Arctotheca prostrata
David J. Keil
1984-7-17
18296
San Luis Obispo
0.5 mi E of jctn with Foothill blvd on Los Osos Valley rd at outskirts of San Luis Obispo
Comment
UCR115580
Arenaria douglasii
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5400
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR134398
Arenaria douglasii
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6592
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
OBI79255
Aristida adscensionis
David J. Keil
2012-5-27
31361
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
OBI83455
Artemisia californica
Drew Kenyon, Katie Felger, Meha Patel
2017-1-27
5
San Luis Obispo
Irish Hills Natural Reserve, about a quarter mile from the trailhead along the east side of the Bog Thistle trail
125
Comment
UCR118338
Artemisia douglasiana
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5965
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR118362
Artemisia douglasiana
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4225
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
UCR42814
Asphodelus fistulosus
David J. Keil
1979-4-29
13047
San Luis Obispo
Central Coast, along US Hwy 101, c. 5 mi south of San Luis Obispo
Comment
UCR118346
Aster radulinus
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5972
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
SD129793
Astragalus curtipes
Wayne P. Armstrong
1988-3-31
1290
San Luis Obispo
Near summit of See Canyon Road.
305
Comment
JEPS34369
Astragalus nuttallii
Rimo Bacigalupi and L. R. Heckard
1963-4-21
8844
San Luis Obispo
ca 6.5 mi nw Point San Luis (among rocks jutting out of coastal terrace at Lion Rock, between Crowbar Canyon and Diablo Canyon); btwn Crowbar Canyon and Diablo Canyon, Lion Rock
22
Comment
RSA667362
Astragalus trichopodus var. lonchus
George K. Helmkamp
2001-4-29
6576
San Luis Obispo
Irish Hills: Calrk Valley Rd., 3.8 mi S f Los Osos Valley Rd (E of Los Osos).
213
Comment
SEINET2060355
Astragalus trichopodus var. lonchus
George Helmkamp
1989-4-17
San Luis Obispo
At the crest of Prefumo Canyon Rd., Irish Hills
365
Comment
UCD105462
Astragalus trichopodus var. phoxus
G. K. Helmkamp; E. K. Helmkamp
2001-4-29
6576
San Luis Obispo
San Luis Obispo County: Irish Hills; Clark Valley Road; 3.8 miles south of Los Osos Valley Rd. (east of Los Osos).
213
Comment
UCR134417
Astragalus trichopodus var. phoxus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6577
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR161362
Astragalus trichopodus var. phoxus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9080
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
UCD105452
Astragalus trichopodus var. trichopodus
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5408
San Luis Obispo
San Luis Obispo County: Central Coast: Road crest between See Cyn. Rd. and Prefumo Cyn Rd. (SW of San Luis Obispo).
320
Comment
UCR115586
Astragalus trichopodus var. trichopodus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5408
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
JEPS34365
Atriplex californica
Rimo Bacigalupi and L. R. Heckard
1963-4-21
8840
San Luis Obispo
ca 6.5 mi nw Point San Luis (between Crowbar Canyon and Diablo Canyon, on rocks jutting out of coastal terrace at Lion Rock, along coast; ...(on hills back of coastal plain)); Lion Rock, bet Crowbar Canyon and Diablo Canyon
22
Comment
OBI31654
Atriplex prostrata
Smeltzer, Turnquist
1982-7-28
206
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
OBI28222
Avena barbata
Rick Frelinger
1982-4-20
14
San Luis Obispo
San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo
Comment
UCR161695
Avena fatua
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9055
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
CAS-BOT-BC98686
Baccharis douglasii
R. F. Hoover
1946-8-3
6261 c
San Luis Obispo
Perfumo Canyon, San Luis Range
Comment
OBI16981
Baccharis glutinosa
Robert F. Hoover
1946-8-3
6261
San Luis Obispo
Perfumo [Prefumo] Cyn, San Luis Range
Comment
UC1285127
Baccharis glutinosa
R. F. Hoover
1946-8-3
6261
San Luis Obispo
San Luis Range, Perfumo Canyon
Comment
RSA216789
Boisduvalia densiflora var. densiflora
Robert F. Hoover
1969-8-25
11556
San Luis Obispo
Laguna de San Luis Obispo.
Comment
UCR115776
Briza maxima
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5387
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR118947
Briza maxima
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4222
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
OBI75257
Bromus
David J. Keil
2011-5-12
31008
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
304
Comment
OBI80010
Bromus
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31371
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
OBI79230
Bromus carinatus
David J. Keil
2012-5-27
31357
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
OBI80002
Bromus carinatus
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31383
San Luis Obispo
San Luis Range (Irish Hills). Hibberd Preserve
399
Comment
UCR161318
Bromus carinatus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9049
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
OBI22376
Bromus catharticus
Robert D. Page
1962-3-31
53
San Luis Obispo
Near intersection of Foothill and Old Los Osos Valley rd
Comment
OBI31742
Bromus catharticus
Smeltzer, Turnquist
1982-4-21
61
San Luis Obispo
Collected from rear parking area along NE lake edge in Laguna Lake Park
Comment
OBI31743
Bromus catharticus
Smeltzer, Turnquist
1982-5-19
146
San Luis Obispo
Along the Laguna Lake paved road and the NE shoreline of lake
Comment
OBI28280
Bromus diandrus
Rick Frelinger
1982-4-20
6
San Luis Obispo
San Luis Creek between US Hwy 101 and lower Higuera St, San Luis Obispo
Comment
OBI80949
Bromus diandrus
Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos
2015-4-24
4
San Luis Obispo
Johnson Rach Open Space
Comment
OBI2590
Bromus hordeaceus
Larry E. Brown
1971-4-1
1923
San Luis Obispo
Perfumo Cyn near San Luis Obispo
Comment
OBI28220
Bromus hordeaceus
Rick Frelinger
1982-4-20
16
San Luis Obispo
San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo
Comment
OBI81308
Bromus madritensis
David J. Keil, V. L. Holland
1988-4-26
20554
San Luis Obispo
Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101.
135
Comment
OBI59210
Bromus pseudolaevipes
Michael Curto
2001-5-31
29526
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI79253
Bromus pseudolaevipes
David J. Keil
2012-5-27
31356
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
OBI80101
Bromus pseudolaevipes
David J. Keil
2012-5-27
31360
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
UCR266651
Bromus pseudolaevipes
David J. Keil
2001-5-8
29424
San Luis Obispo
Central Coast/South Coast Range, Prefumo Canyon, c. 2.5 mi from Los Osos Valley Road along Prefumo Canyon Road
183
Comment
OBI2623
Bromus sitchensis
Larry E. Brown
1971-4-4
1924
San Luis Obispo
In Perfumo Cyn near San Luis Obispo
Comment
UC127316
Bromus trinii
J. H. Barber
1899-4-23
San Luis Obispo
at Paso Robles Paso Robles
Comment
UCR161289
Calandrinia ciliata
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9076
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
OBI56319
Calendula officinalis
David J. Keil
1999-5-19
28345
San Luis Obispo
Along Foothill Road southwest of San Luis Obispo city limits.
Comment
OBI75250
Calochortus argillosus
David J. Keil
2011-5-12
31015
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
345
Comment
OBI79296
Calochortus argillosus
David J. Keil
2013-6-6
31789
San Luis Obispo
San Luis Range. Upper Prefumo Canyon Road below housing area
380
Comment
OBI44954
Calochortus clavatus var. clavatus
David J. Keil
1979-7-1
13122
San Luis Obispo
Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
UC2013236
Calochortus clavatus var. clavatus
David Keil
1979-7-1
13122
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCR118371
Calochortus clavatus var. clavatus
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4255
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
OBI44868
Calochortus obispoensis
David J. Keil
1979-7-1
13124
San Luis Obispo
Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
SBBG48487
Calochortus venustus
L. W. Edge
1974-6-10
452
San Luis Obispo
upper Prefumo Cyn
Comment
UCR118386
Calystegia macrostegia
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4221
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
CAS-BOT-BC221369
Calystegia macrostegia subsp. cyclostegia
Alice Eastwood; John Thomas Howell
1938-6-14
5923
San Luis Obispo
Prefumo Canyon
Comment
OBI15312
Calystegia macrostegia subsp. cyclostegia
B. W. & T. W., T. W.
1967-4-4
s.n.
San Luis Obispo
Perfumo Canyon
Comment
UC1123615
Calystegia macrostegia subsp. cyclostegia
H. C. Lee
1936-3-19
590
San Luis Obispo
2 mi n Miles; Arroyo Grande Quad., n of Miles
Comment
SD148182
Calystegia macrostegia subsp. intermedia
G. K. Helmkamp, E. A. Helmkamp
2001-4-29
6598
San Luis Obispo
Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road.
91
Comment
UCR134404
Calystegia macrostegia subsp. intermedia
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6598
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
UCR161697
Calystegia macrostegia subsp. tenuifolia
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9058
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
UCR61741
Calystegia subacaulis
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
OBI54323
Calystegia subacaulis subsp. episcopalis
David J. Keil, V. L. Holland
1996-6-6
25881
San Luis Obispo
Prefumo Cyn Homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd
Comment
OBI75245
Calystegia subacaulis subsp. episcopalis
David J. Keil
2011-5-12
31020
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
333
Comment
OBI4259
Cardamine californica
Janice Jacobs
1970-2-22
10
San Luis Obispo
In Perfumo Cyn along roadside
Comment
OBI77645
Cardamine californica
Ed Zimmerman
1966-4-8
8
San Luis Obispo
Perfumo Cyn
Comment
UCR103807
Cardamine californica
George K. Helmkamp
1997-3-8
1450
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR39005
Cardamine californica
David J. Keil
1982-3-20
15748
San Luis Obispo
Central Coast/South Coast Range, San Luis Range in Irish Hills along dirt road leading from See Canyon Road to Hibberd Preserve
Comment
UCR161286
Cardamine californica var. cuneata
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9043
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road
98
Comment
UCR115574
Cardamine californica var. integrifolia
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5398
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR161301
Cardamine californica var. integrifolia
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9104
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
OBI82381
Cardamine hirsuta
David J. Keil
2016-2-14
33457
San Luis Obispo
Irish Hills Natural Preserve. Prefumo Canyon trailhead
Comment
OBI82377
Cardamine oligosperma
David J. Keil
2016-2-20
33459
San Luis Obispo
Prefumo Canyon Road between San Luis Obispo city limits and first bridge over Prefumo Canyon Creek
Comment
RSA709070
Cardamine oligosperma
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9094
San Luis Obispo
Outer Central Coast Hills: Irish Hills; See Canyon, 1.0 miles N of San Luis Bay Drive.
43
Comment
UCR161295
Cardamine oligosperma
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9094
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI28217
Carduus pycnocephalus
Rick Frelinger
1982-4-10
11
San Luis Obispo
San Luis Crk between US hwy 101 and lower Higuera St, San Luis Obispo
Comment
RSA643443
Carduus pycnocephalus
R. D. Goeden, D. W. Ricker
1972-5-2
s.n.
San Luis Obispo
See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo
183
Comment
SD143581
Carduus pycnocephalus
R. D. Goeden, D. W. Ricker
1972-5-2
San Luis Obispo
Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., southwest of San Luis Obispo
182
Comment
UCD85584
Carduus pycnocephalus
Daryl Koutnik
1978-6-19
528
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCD85856
Carduus pycnocephalus
R. D. Goeden; D. W. Ricker
1972-5-2
s.n.
San Luis Obispo
San Luis Obisbo County: Irish Hills: See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obisbo.
183
Comment
UCR109779
Carduus pycnocephalus
R. D. Goeden, Don W. Ricker
1972-5-2
s.n.
San Luis Obispo
Irish Hills, See Canyon Road, 4 miles north of San Luis Bay Rd., SW of San Luis Obispo
183
Comment
UCR134407
Carduus pycnocephalus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6567
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI79599
Carex globosa
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31382
San Luis Obispo
San Luis Range (Irish Hills). Hibberd Preserve
399
Comment
UCR42863
Carex globosa
David J. Keil
1979-4-29
13053
San Luis Obispo
Central Coast, See Canyon
Comment
OBI79216
Carex gracilior
David J. Keil
2012-5-27
31363
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
OBI75098
Carex nudata
Michael Walgren
2011-3-3
239
San Luis Obispo
Perfumo Canyon. Adjacent to Perfumo Crk rd at a pullout 1.2 mi from Los Osos Valley rd
Comment
CAS-BOT-BC146579
Carex obispoensis
Alice Eastwood; John Thomas Howell
1938-6-14
5931
San Luis Obispo
Prefumo Canyon
Comment
GH424052
Carex obispoensis
A. Eastwood & J. T. Howell
1938-6-14
5931
Unknown
Prefumo Canyon
Comment
CDA6996
Carthamus lanatus
David J. Keil
1991-9-3
s.n.
San Luis Obispo
About 1/2 mile from San Luis Obispo city limits on Foothill Road.
0
Comment
OBI71294
Carthamus lanatus
David J. Keil
1991-9-30
s.n.
San Luis Obispo
About 1/2 mi from San Luis Obispo city limits on Foothill Rd
Comment
SBBG112532
Carthamus lanatus
D. Keil
1991-9-30
San Luis Obispo
Foothill Rd, ca. 0.5 mi from San Luis Obispo city limits
Comment
UC1747220
Carthamus lanatus
David Keil
1991-9-30
San Luis Obispo
about 1/2 mi from San Luis Obispo city limits on Foothill Road
Comment
SBBG48479
Castilleja affinis
L. W. Edge
1974-6-10
443
San Luis Obispo
lower See Cyn
Comment
JEPS24100
Castilleja affinis subsp. affinis
Ernest C. Twisselmann
1959-4-10
5029
San Luis Obispo
See Canyon Irish Hills
106
Comment
UCR115787
Castilleja affinis subsp. affinis
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5375
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR134395
Castilleja affinis subsp. affinis
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6589
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UCR161292
Castilleja affinis subsp. affinis
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9091
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI75248
Castilleja densiflora subsp. obispoensis
David J. Keil
2011-5-12
31017
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
345
Comment
SBBG46664
Castilleja densiflora subsp. obispoensis
L. W. Edge
1973-4-9
267
San Luis Obispo
near summit of Prefumo Cyn Rd
Comment
SD130339
Castilleja densiflora subsp. obispoensis
George Helmkamp
1989-4-17
San Luis Obispo
At the crest of Prefumo Canyon Road, Irish Hills
366
Comment
UC454836
Castilleja densiflora subsp. obispoensis
E. P. Unangst
1908-4-12
San Luis Obispo
Perfumo Canyon
Comment
UCR122776
Castilleja densiflora subsp. obispoensis
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3888
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR103811
Castilleja foliolosa
George K. Helmkamp
1997-3-8
1461
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR104782
Castilleja foliolosa
George K. Helmkamp
1997-3-8
1460
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR14972
Castilleja mollis
George K. Helmkamp
1976-5-16
s.n.
San Luis Obispo
Central Coast, Hwy 1, Avila Beach turnoff
Comment
OBI70838
Caulanthus lasiophyllus
David J. Keil
2009-4-21
30585
San Luis Obispo
Prefumo Canyon
Comment
UC1953231
Caulanthus lasiophyllus
David Keil
2009-4-21
30585
San Luis Obispo
Perfumo Canyon.
Comment
UC1071086
Ceanothus crassifolius
N. French
1936-1-31
705
San Luis Obispo
head of Davis Canyon Port San Luis quad
457
Comment
A349200
Ceanothus cuneatus
A. Eastwood & J. T. Howell
1938-6-14
5290
Unknown
Prefumo Canyon
Comment Read comments Aug 2 2013
CAS-BOT-BC49005
Ceanothus cuneatus
Alice Eastwood; John Thomas Howell
1938-6-14
5920
San Luis Obispo
Prefumo Canyon
Comment
OBI83457
Ceanothus cuneatus
Drew Kenyon, Katie Felger, Meha Patel
2017-1-27
1
San Luis Obispo
Irish Hills Natural Reserve, about a quarter mile from the trailhead along the Bog Thistle trail
125
Comment
UCR97557
Ceanothus cuneatus
George K. Helmkamp
1997-3-8
1444
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR134414
Ceanothus cuneatus subsp. cuneatus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6574
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
CAS-BOT-BC49078
Ceanothus cuneatus var. ramulosus
D. O. Burge
2007-4-17
847 a
San Luis Obispo
Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed
310
Comment
RSA758518
Ceanothus cuneatus var. ramulosus
Dylan O. Burge
2007-4-17
DOB 847 c
San Luis Obispo
Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed via foot trail, about 1.6 miles via Mariposa Trail and Morro View Trail., Parking at trail head 2.3 road miles northwest of Highway 101 via Osos Valley Road and Prefumo Canyon Road, 12.1 km 121 degrees true east-southeast of Los Osos.
310
Comment
SBBG46743
Ceanothus cuneatus var. ramulosus
L. W. Edge
1973-4-9
271
San Luis Obispo
near upper part of Prefumo Cyn
Comment
UCD123597
Ceanothus cuneatus var. ramulosus
D. O. Burge
2007-4-17
847 e
San Luis Obispo
San Luis Obispo Co: Irish Hills Natural Reserve, on hill bordered to the north by Prefumo Canyon, and to the south by Froom Creek, accessed via foot trail (~ 1.6 miles via Mariposa Trail and Morro View Trail), parking at trail head 2.3 road miles (3.7 km) northwest of Hwy 101 via Osos Valley Road and Prefumo Canyon Road, 12.1 km 121 deg. (True) ESE of Los Osos.
310
Comment
UC569695
Ceanothus oliganthus var. sorediatus
A. E. Wieslander
1935-2-24
532
San Luis Obispo
Davis Canyon Port San Luis quad.
243
Comment
CAS-BOT-BC50425
Ceanothus papillosus
R. F. Hoover
1949-5-3
7656
San Luis Obispo
Perfumo Canyon, San Luis Range
Comment
CAS-BOT-BC51236
Ceanothus papillosus
Alice Eastwood
1939-4-18
18925
San Luis Obispo
Perfumo Canyon
Comment
UC1071214
Ceanothus papillosus
B. Bolt
1936-3-13
623
San Luis Obispo
1/2 mi sw of mouth Sycamore Canyon; San Luis Obispo Quad., sw of mouth Sycamore Canyon
Comment
UC1276291
Ceanothus papillosus
R. F. Hoover
1949-5-3
7656
San Luis Obispo
Perfumo Canyon San Luis Range, Perfumo Canyon
Comment
UC455335
Ceanothus papillosus
California Polytechnic School
Mar., 1905
48
San Luis Obispo
Prefumo Canyon
Comment
OBI78701
Ceanothus spinosus
Caylie Conley-Soon
2013-2-6
1
San Luis Obispo
Perfumo Canyon Road, north side of road 2.2 miles from intersection with Los Osos Valley Road.
119
Comment
UC1071376
Ceanothus spinosus
C. M. Belshaw
Apr 1936
1731
San Luis Obispo
Davis Canyon San Luis Obispo Quad.
Comment
UC1071387
Ceanothus spinosus
B. Bolt
1936-2-4
564
San Luis Obispo
1/2 mi s of mouth Sycamore Canyon; San Luis Obispo Quad.
Comment
UC455421
Ceanothus spinosus
California Polytechnic School
1906-1
11
San Luis Obispo
Prefumo Canyon
Comment
UCD102216
Ceanothus spinosus
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-3-29
s.n.
San Luis Obispo
San Luis Obispo County: S. Luis Obispo. Prefumo Canyon. Prefumo Canyon Road.
105
Comment
UCR161306
Ceanothus spinosus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9047
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment Read comments Sep 27 2014
UCSB39880
Centaurea calcitrapa
Shaw, J.
1982-7-1
San Luis Obispo
At intersection of Foothill Road and Los Osos Valley Road in San Luis Obispo
30
Comment
SD148254
Centaurea iberica
G. K. Helmkamp, E. A. Helmkamp
2000-9-2
5971
San Luis Obispo
Irish Hills; Profumo Canyon, 2.2 miles west of Los Osos Valley Road.
136
Comment
UCR118345
Centaurea iberica
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5971
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR118379
Centaurea iberica
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4244
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR161288
Centaurea iberica
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9075
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI26287
Centaurea solstitialis
Mark E. Schneider
1974-8-13
s.n.
San Luis Obispo
US 101 S of SLO. S, just before Higuera ramp
Comment
RSA659431
Centaurium davyi
David J. Keil
1979-7-1
13127
San Luis Obispo
Ridge between Prefumo and See Canyons. About five miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UC456204
Centaurium davyi
E. P. Unangst
1906-5-13
San Luis Obispo
Perfumo Canyon
Comment
CAS-BOT-BC272799
Centromadia parryi subsp. congdonii
R. F. Hoover
1965-8-1
9499
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC272800
Centromadia parryi subsp. congdonii
R. F. Hoover
1965-8-1
9499
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC272801
Centromadia parryi subsp. congdonii
R. F. Hoover
1969-8-15
11545
San Luis Obispo
Valley west of Mt. Bishop
Comment
OBI16176
Centromadia parryi subsp. congdonii
Robert F. Hoover
1965-8-1
9499
San Luis Obispo
Valley W of Mt. Bishop
Comment
OBI16185
Centromadia parryi subsp. congdonii
Robert F. Hoover
1969-8-15
11545
San Luis Obispo
Valley W of Mt. Bishop
Comment
OBI66541
Centromadia parryi subsp. congdonii
David J. Keil
1997-6-16
26309
San Luis Obispo
SW corner of Los Osos Valley Road and Madonna rd, SLO.
Comment
UC1285165
Centromadia parryi subsp. congdonii
R. F. Hoover
1965-8-1
9499
San Luis Obispo
valley w Mt. Bishop
Comment
UC1392617
Centromadia parryi subsp. congdonii
R. F. Hoover
1969-8-15
11545
San Luis Obispo
valley w Mt. Bishop
Comment
UC455692
Centromadia parryi subsp. congdonii
I. J. Condit
1908-10-3
San Luis Obispo
Laguna
Comment
UC456226
Ceratophyllum demersum
I. J. Condit
1908-10-3
San Luis Obispo
Laguna , San Luis Obispo (San Luis Obispo)
Comment
OBI20378
Cercocarpus betuloides
David J. Keil
1979-4-28
s.n.
San Luis Obispo
Prefumo Cyn
Comment
UCR115438
Cercocarpus betuloides
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5382
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UC453982
Cercocarpus betuloides var. betuloides
E. P. Unangst
1908-4-12
San Luis Obispo
Perfumo Canyon
Comment
OBI82429
Chenopodium album
David J. Keil
2015-9-25
33413
San Luis Obispo
Outside city limits of San Luis Obispo along Los Osos Valley Road between Diablo Drive and Foothill Road
43
Comment
UC1969515
Chenopodium album
David Keil
1999-5-19
28346
San Luis Obispo
Field at northeastern corner of intersection of Los Osos Valley Road and Foothill Road near San Luis Obispo city limits.
Comment
UCR247974
Chenopodium album
David J. Keil
1999-5-19
28346
San Luis Obispo
Northeastern corner of intersection of Los Osos Valley Road and Foothill Road near San Luis Obispo city limits
45
Comment
OBI82461
Chenopodium strictum
David Keil
2015-9-25
33414
San Luis Obispo
Outside city limits of San Luis Obispo along Los Osos Valley Road between Diablo Drive and Foothill Road
43
Comment
OBI44864
Chlorogalum pomeridianum
David J. Keil
1979-7-1
13130
San Luis Obispo
ridge between prefumo and See cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo cyn Rd
Comment
OBI59657
Chlorogalum pomeridianum
David J. Keil, with Jill Bushakra
2001-6-14
29556
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI81207
Chlorogalum pomeridianum
Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos
2015-4-24
10
San Luis Obispo
Johnson Rach Open Space
Comment
UC2013305
Chlorogalum pomeridianum
David Keil
1979-7-1
13130
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
RSA659433
Chlorogalum pomeridianum var. minus
David J. Keil
1979-7-1
13130
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCD138446
Chlorogalum pomeridianum var. pomeridianum
David Keil; Jill Bushakra
2001-6-14
29556
San Luis Obispo
San Luis Obispo County: San Luis Range, between Prefumo Canyon and See Canyon.
Comment
UCD138447
Chlorogalum pomeridianum var. pomeridianum
David Keil; Jill Bushakra
2001-6-14
29556
San Luis Obispo
San Luis Obispo County: San Luis Range, between Prefumo Canyon and See Canyon.
800
Comment
OBI27368
Chondrilla juncea
Robert L. Allen
Jan-82
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
OBI27369
Chondrilla juncea
Robert L. Allen
Jan-82
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
OBI27370
Chondrilla juncea
Robert L. Allen
Jan-82
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
OBI27371
Chondrilla juncea
Robert L. Allen
Jan-82
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
OBI27372
Chondrilla juncea
Robert L. Allen
Jan-82
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
OBI27373
Chondrilla juncea
Robert L. Allen
Jan-78
A 500
San Luis Obispo
San Luis Obispo, near interx of Madonna and Los Osos Valley rds. In backyard of private residence at 1351 Royal Way #13
Comment
JEPS90488
Chorizanthe breweri
Dean W. Taylor
1994-5-26
14389
San Luis Obispo
directly behind & w. from Madonna Inn San Luis Obispo; S. Coast Ranges, San Luis Obispo <7 1/4> Quad.(1979)
67
Comment
OBI54244
Chorizanthe breweri
David J. Keil, V. L. Holland
1996-6-6
25885
San Luis Obispo
Prefumo Cyn Homes project site along Prefumo Crk ca. 1/3 mi from Los Osos Valley rd
Comment
OBI75247
Chorizanthe breweri
David J. Keil
2011-5-12
31018
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
353
Comment
OBI81309
Chorizanthe breweri
David J. Keil, V. L. Holland
1988-4-26
20553
San Luis Obispo
Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101.
Comment
UCD99661
Chorizanthe breweri
Daryl Koutnik
1978-6-19
524
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR87844
Chorizanthe leptotheca
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 22
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI44856
Chorizanthe palmeri
David J. Keil
1979-7-1
13139
San Luis Obispo
Ridge between Prefumo Cyn and See Canyon. About 5 mi from jctn of Los Osos valley rd and Prefumo Cyn rd
Comment
UC2013234
Chorizanthe palmeri
David Keil
1979-7-1
13139
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UC454071
Chorizanthe palmeri
Roadhouse
413
San Luis Obispo
Prefumo Canyon
Comment
UCR118370
Chorizanthe palmeri
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4256
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCD99960
Chorizanthe staticoides
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6561
San Luis Obispo
San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos).
91
Comment
UCR122469
Chorizanthe staticoides
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3899
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR135962
Chorizanthe staticoides
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6561
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
JEPS90485
Chorizanthe ventricosa
Dean W. Taylor
1994-5-26
14387
San Luis Obispo
directly behind & w. from Madonna Inn San Luis Obispo; S. Coast Ranges, San Luis Obispo <7 1/4> Quad.(1979)
67
Comment Read comments Jun 25 2019
OBI79600
Chrysolepis chrysophylla
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31375
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road
478
Comment
OBI82351
Chrysolepis chrysophylla
David J. Keil, Matt Ritter, Jenn Yost, Brett Hall, et al.
2016-2-6
33442
San Luis Obispo
Upper See Canyon
415
Comment
UC1135221
Chrysolepis chrysophylla var. minor
N. French
1936-1-31
707
San Luis Obispo
Head of Davis Canyon; Port San Luis Quad.
457
Comment
OBI77791
Cichorium intybus
Smeltzer, Turnquist
1982-7-28
201
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
CAS-BOT-BC100949
Cirsium fontinale var. obispoense
Alice Eastwood; John Thomas Howell
1938-6-14
5917
San Luis Obispo
Prefumo Canyon, San Luis Range
Comment
CAS-BOT-BC100952
Cirsium fontinale var. obispoense
Alice Eastwood; John Thomas Howell
1938-6-14
5917
San Luis Obispo
Prefumo Canyon
Comment
CAS-BOT-BC100954
Cirsium fontinale var. obispoense
Alice Eastwood; John Thomas Howell
1938-6-14
5917
San Luis Obispo
Prefumo Canyon
Comment
CDA1232
Cirsium fontinale var. obispoense
T. C. Fuller
1962-7-19
9241 -A
San Luis Obispo
About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd.
Comment
CDA1233
Cirsium fontinale var. obispoense
T. C. Fuller
1962-7-19
9241 -B
San Luis Obispo
About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd.
Comment
CDA1234
Cirsium fontinale var. obispoense
T. C. Fuller
1962-7-19
9241 -C
San Luis Obispo
About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd.
Comment
CDA1235
Cirsium fontinale var. obispoense
T. C. Fuller
1962-7-19
9241 -D
San Luis Obispo
About 6 miles s.w. of San Luis Obispo; Prefumo Canyon Rd. 1.7 mi. w. of junct. with Los Osos Valley Rd.
Comment
GH427966
Cirsium fontinale var. obispoense
A. Eastwood & J. T. Howell
1938-6-14
5917
Unknown
Prefumo Canyon
Comment
OBI25251
Cirsium fontinale var. obispoense
David J. Keil
1977-1
San Luis Obispo
Comment Read comments Mar 9 2017
OBI25252
Cirsium fontinale var. obispoense
David J. Keil
1977-1
San Luis Obispo
Comment Read comments Mar 9 2017
OBI59654
Cirsium fontinale var. obispoense
David J. Keil, with Jill Bushakra
2001-1
San Luis Obispo
Comment
RSA26271
Cirsium fontinale var. obispoense
Alice Eastwood, John Thomas Howell
1938-6-14
5917
San Luis Obispo
Prefumo Canyon.
Comment
SBBG125305
Cirsium fontinale var. obispoense
M. A. Elvin with N. Huber
2006-3-30
4626
San Luis Obispo
N-side of Laguna Lake, at base of hill
61
Comment
SBBG133420
Cirsium fontinale var. obispoense
H. Schneider, B. Hill
2016-7-25
11
San Luis Obispo
cuts on side of Perfumo Cyn Rd
95
Comment
UC1583848
Cirsium fontinale var. obispoense
David Keil
1977-8-22
12520
San Luis Obispo
Prefumo Canyon San Luis Range
Comment
UC592630
Cirsium fontinale var. obispoense
Alice Eastwood and John Thomas Howell
1938-6-14
5917
San Luis Obispo
Prefumo Canyon San Luis Range
Comment
UCR67937
Cirsium fontinale var. obispoense
David J. Keil
1977-8-22
12520
San Luis Obispo
San Luis Range, Prefumo Canyon
150
Comment
CAS-BOT-BC172278
Clarkia bottae
John Thomas Howell; Alice Eastwood
1938-6-14
5935
San Luis Obispo
Prefumo Canyon
Comment
UC454549
Clarkia bottae
E. P. Unangst
1906-5-30
San Luis Obispo
Prefumo Canyon San Luis Obispo
Comment
UCD104366
Clarkia bottae
Daryl Koutnik
1978-6-19
525
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR118384
Clarkia bottae
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4237
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
UCR118381
Clarkia davyi
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4242
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR88342
Clarkia speciosa subsp. immaculata
George K. Helmkamp
1995-6-20
95-2- 40
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI12079
Clarkia unguiculata
R. D. Brister
1966-5-6
81
San Luis Obispo
In Perfumo Cyn near SLO
Comment
SBBG48485
Clarkia unguiculata
L. W. Edge
1974-6-10
444
San Luis Obispo
lower See Cyn
Comment
OBI78296
Claytonia exigua subsp. exigua
David J. Keil
1979-4-19
13059
San Luis Obispo
Upper Prefumo Cyn rd
Comment
SBBG46833
Claytonia exigua subsp. exigua
L. W. Edge
1973-4-9
266
San Luis Obispo
near summit of See Cyn Rd
Comment
SBBG54832
Claytonia exigua subsp. exigua
D. Keil
1979-4-19
13059
San Luis Obispo
upper Prefumo Cyn Rd
Comment
UCR103801
Claytonia perfoliata
George K. Helmkamp
1997-3-8
1456
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
OBI78301
Claytonia perfoliata subsp. mexicana
Ed Zimmerman
1966-4-8
2
San Luis Obispo
Perfumo Cyn
Comment
UC454257
Claytonia perfoliata subsp. perfoliata
E. P. Unangst
1908-4-12
San Luis Obispo
Prefumo Canyon
Comment
UCR161307
Claytonia perfoliata subsp. perfoliata
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9046
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
UCR161293
Claytonia rubra subsp. rubra
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9092
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
UCR115796
Collinsia bartsiifolia var. bartsiifolia
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5365
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
RSA647823
Collinsia heterophylla
Charles D. Dunn
1972-4-15
s.n.
San Luis Obispo
Perfumo Canyon
61
Comment
UCR115577
Collinsia heterophylla
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5403
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR118387
Collinsia heterophylla
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4220
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
UCD123540
Collinsia heterophylla var. heterophylla
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6593
San Luis Obispo
San Luis Obispo County: Irish Hills: Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road (SW of San Luis Obispo.)
91
Comment
UCR134399
Collinsia heterophylla var. heterophylla
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6593
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
OBI31675
Conium maculatum
Smeltzer, Turnquist
1982-4-21
62
San Luis Obispo
Collected from rear parking area along NE lake edge in Laguna Lake Park
Comment
UC1928038
Conyza bonariensis
David Keil
2008-8-30
30560
San Luis Obispo
San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 15'02.40''N x 120 41'26.73''W
43
Comment
UC1928006
Conyza canadensis
David Keil
2008-8-30
30561
San Luis Obispo
San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 15'02.40''N x 120 41'26.73''W
43
Comment
CAS-BOT-BC101411
Corethrogyne filaginifolia
R. F. Hoover
1946-8-3
6259
San Luis Obispo
Perfumo Canyon, San Luis Range
Comment
CAS-BOT-BC101449
Corethrogyne filaginifolia
R. F. Hoover
1946-8-3
6259
San Luis Obispo
Perfumo Canyon, San Luis Range
Comment
OBI16653
Corethrogyne filaginifolia
Robert F. Hoover
1946-8-3
6259
San Luis Obispo
Perfumo Cyn, San Luis range
Comment
UC1285365
Corethrogyne filaginifolia
R. F. Hoover
1946-8-3
6259
San Luis Obispo
Perfumo Canyon San Luis Range
Comment
CAS-BOT-BC210346
Cornus sericea
Ernest C. Twisselmann
1959-4-10
5038
San Luis Obispo
Irish Hills: Perfumo Canyon
106
Comment
CAS-BOT-BC210467
Cornus sericea subsp. occidentalis
Ernest C. Twisselmann
1959-4-10
5038
San Luis Obispo
Irish Hills: Perfumo Canyon
106
Comment
UCD117329
Cornus sericea subsp. occidentalis
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5398 A
San Luis Obispo
San Luis Obispo County: Central Coast: Prefumo Cyn., 1.2 mi S of Los Osos Valley Rd.
183
Comment
UCR115773
Cornus sericea subsp. occidentalis
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5398 A
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR122468
Cornus sericea subsp. occidentalis
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4009
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134412
Cornus sericea subsp. occidentalis
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6572
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UC1953324
Cotoneaster pannosus
David Keil
2009-3-1
30566
San Luis Obispo
Perfumo Canyon Road west of San Luis Obispo city limits.
Comment
UC1119277
Cotula coronopifolia
P. L. Johannsen
1936-3-22
725
San Luis Obispo
1 mi nw Cerro San Luis Obispo; San Luis Obispo Quad.
Comment
OBI59364
Cryptantha clevelandii
David J. Keil
2001-5-31
29530
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI81213
Cryptantha clevelandii
Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos
2015-4-24
9
San Luis Obispo
Johnson Rach Open Space
Comment
UCD119630
Cryptantha clevelandii
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6596
San Luis Obispo
San Luis Obispo County: Irish Hills Prefumo Cyn Rd., 2.8 mi west of Los Osos Valley Rd., SW of San Luis Obispo.
91
Comment
UCR115583
Cryptantha clevelandii
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5411
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR134402
Cryptantha clevelandii
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6596
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
OBI48251
Cryptantha clevelandii var. clevelandii
David J. Keil
1989-5-3
21209
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
UC1925856
Cuscuta
David Keil
1996-6-25
25913
San Luis Obispo
Laguna Lake Park and vicinity, San Luis Obispo.
Comment
UC1969517
Cuscuta
David Keil
2001-8-24
29720
San Luis Obispo
Foothill Road, 0.25 miles NNE of junction with Los Osos Valley Road.
Comment
SBBG124208
Cuscuta campestris
D. Keil
2001-8-24
29720
San Luis Obispo
Foothill Rd, 0.25 mi NNE of jct with Los Osos Valley Rd
38
Comment
RSA769929
Cuscuta pentagona
David J. Keil
2001-8-24
29720
San Luis Obispo
Foothill Road, 0.25 miles north-northeast of junction with Los Osos Valley Road
38
Comment
UC456000
Cuscuta subinclusa
E. P. Unangst
1906-1
San Luis Obispo
Perfumo Canon
Comment
OBI20822
Cynoglossum grande
Robert F. Hoover
1949-5-3
7657
San Luis Obispo
Summit at head of See Cyn, San Luis Range
Comment
OBI70206
Cynoglossum grande
David J. Keil
2009-3-22
30569
San Luis Obispo
Upper See Canyon Road
Comment
OBI72017
Cynoglossum grande
Michael Walgren
2010-2-1
69
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd
335
Comment
UC1284986
Cynoglossum grande
R. F. Hoover
1949-5-3
7657
San Luis Obispo
summit at head of Lee Canyon; San Luis Range, Lee Canyon
Comment
UC454117
Cynoglossum grande
unknown
Apr., 1905
30
San Luis Obispo
Prefumo Canyon
Comment
UC2013171
Cyperus alternifolius
David Keil
1979-7-1
13109
San Luis Obispo
San Luis Range, lower Prefumo Canyon.
Comment
CAS-BOT-BC114466
Cyperus eragrostis
R. F. Hoover
1969-8-25
11561
San Luis Obispo
Laguna de San Luis Obispo.
Comment
OBI17016
Cyperus eragrostis
Robert F. Hoover
1969-8-25
11561
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI31754
Cyperus eragrostis
Smeltzer, Turnquist
1982-5-19
139
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
UC2013170
Cyperus eragrostis
David Keil
1979-7-1
13110
San Luis Obispo
San Luis Range, lower Prefumo Canyon.
Comment
CAS-BOT-BC114797
Cyperus involucratus
G. Helmkamp; E. A. Helmkamp
2000-9-2
5968
San Luis Obispo
Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd..
137
Comment
UCR118340
Cyperus involucratus
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5968
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
OBI75253
Danthonia californica
David J. Keil
2011-5-12
31012
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
357
Comment
RSA779035
Danthonia californica
David J. Keil
2011-5-12
31012
San Luis Obispo
San Luis Range. Irish Hills. Madona-Twisselmann Ranch, accessed from Prefumo Canyon Road
357
Comment
CDA43360
Datura stramonium
David J. Keil
2012-7-14
31405
San Luis Obispo
South of San Luis Obispo on South Higuera Street Hayfield between Clover Ridge Lane and San Luis Creek
Comment
OBI79746
Datura stramonium
David J. Keil
2012-7-14
31405
San Luis Obispo
South of San Luis Obispo on South Higuera Street Hayfield between Clover Ridge Lane and San Luis Creek
19
Comment
SBBG130680
Datura stramonium
D. J. Keil
2012-7-14
31405
San Luis Obispo
S of San Luis Obispo on S Higuera St Hayfield between Clover Ridge Lane and San Luis Crk
19
Comment
OBI56325
Daucus carota
David J. Keil
1998-9-16
28124
San Luis Obispo
Intersection of Madonna Rd and Los Osos Valley rd at outskirts of San Luis Obispo
Comment
CAS-BOT-BC293911
Deinandra fasciculata
R. F. Hoover
1969-8-25
11563
San Luis Obispo
Laguna de San Luis Obispo
Comment
CAS-BOT-BC293917
Deinandra fasciculata
R. F. Hoover
1947-5-27
7226
San Luis Obispo
Between San Luis Mt. and Mt. Bishop near San Luis Obispo
Comment
OBI16268
Deinandra fasciculata
Robert F. Hoover
1947-5-27
7226
San Luis Obispo
Between San Luis mt and Mt Bishop near San Luis Obispo
Comment
OBI16272
Deinandra fasciculata
Robert F. Hoover
1969-8-25
11563
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI16274
Deinandra fasciculata
Robert F. Hoover
1947-5-27
7226
San Luis Obispo
Between San Luis mt and Mt Bishop near San Luis Obispo
Comment
OBI49635
Deinandra fasciculata
David J. Keil
1989-5-3
21206
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
OBI81307
Deinandra fasciculata
David J. Keil, V. L. Holland
1988-4-26
20556
San Luis Obispo
Irish Hills, San Luis Range. Froom Ranch on southwestern side of Los Osos Valley Road, just west of junction with Calle Joaquin and US 101.
135
Comment
UCR87683
Deinandra fasciculata
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95- 2 -34
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment Read comments Jan 8 2013
CAS-BOT-BC299351
Deinandra increscens subsp. increscens
R. F. Hoover
1965-8-1
9497
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC299352
Deinandra increscens subsp. increscens
R. F. Hoover
1965-8-1
9497
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC299379
Deinandra increscens subsp. increscens
R. F. Hoover
1969-8-15
11544
San Luis Obispo
Valley west of Mt. Bishop
Comment
OBI16146
Deinandra increscens subsp. increscens
Robert F. Hoover
1965-8-1
9497
San Luis Obispo
Valley W of Mt. Bishop
Comment
OBI16150
Deinandra increscens subsp. increscens
Robert F. Hoover
1969-8-15
11544
San Luis Obispo
Valley W of Mt. Bishop
Comment
UC1285166
Deinandra increscens subsp. increscens
R. F. Hoover
1965-8-1
9497
San Luis Obispo
valley w Mt. Bishop
Comment
UC1392635
Deinandra increscens subsp. increscens
R. F. Hoover
1969-8-15
11544
San Luis Obispo
valley w Mt. Bishop
Comment
SBBG40545
Deinandra paniculata
R. F. Hoover
1969-8-15
11544
San Luis Obispo
valley W of Mt Bishop
Comment
OBI75261
Delphinium californicum
David J. Keil
2011-5-12
31004
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
147
Comment
OBI75246
Delphinium parryi
David J. Keil
2011-5-12
31019
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
333
Comment
OBI81306
Delphinium parryi
Karis Russell, Ari Burton, Chris Codding, Ryan Doan
2015-4-28
6
San Luis Obispo
Irish Hills, take Sterling Land and hike into surrounding hills. Sample taken from Northeast-facing slope.
Comment
UCR122475
Dendromecon rigida
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3893
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134413
Dendromecon rigida
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6573
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI59208
Deschampsia danthonioides
Michael Curto
2001-5-31
29521
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
RSA751809
Deschampsia danthonioides
David J. Keil
2001-6-14
29521
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range. Serpentenite parent material.
800
Comment
OBI59213
Deschampsia elongata
Michael Curto
2001-5-31
29528
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UCR161323
Dichelostemma capitatum subsp. capitatum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9059
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
OBI75335
Digitaria ischaemum
David J. Keil
2011-10-14
31126
San Luis Obispo
San Luis Obispo at 1304 Oceanaire
Comment
OBI31815
Dipsacus sativus
Smeltzer, Turnquist
1982-6-28
204
San Luis Obispo
Along the N foot trl In Laguna Lake Park
Comment
OBI78664
Dipsacus sativus
Amelia Mira Crary
2013-11-11
1
San Luis Obispo
Laguna Lake Open Space, San Luis Obispo, CA. On south west side of Lake Side Trail, about 1800ft from trailhead parking lot. On north side of Lake Laguna, 200ft from lake
40
Comment
OBI27162
Dodecatheon clevelandii
B. W. & T. W., T. W.
1967-3-25
s.n.
San Luis Obispo
Perfumo Cyn
Comment
UCR161352
Dodecatheon clevelandii subsp. insulare
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9069
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI25253
Drosanthemum floribundum
Robert Jones
1971-5-24
18
San Luis Obispo
Laguna Lake residential area, W of San Luis Obispo on Madonna Rd
Comment
SBBG46674
Drymocallis glandulosa var. wrangelliana
L. W. Edge
1973-4-9
264
San Luis Obispo
lower See Cyn
Comment
UC454987
Drymocallis glandulosa var. wrangelliana
J. E. Roadhouse
1906-4-6
San Luis Obispo
Prefumo Canyon
Comment
UCR161297
Dryopteris arguta
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9096
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
CAS-BOT-BC109536
Dudleya abramsii subsp. murina
Alice Eastwood; John Thomas Howell
1938-6-14
5928
San Luis Obispo
Prefumo Canyon.
Comment
GH376706
Dudleya abramsii subsp. murina
A. Eastwood & J. T. Howell
1938-6-14
5928
Unknown
Prefumo Canyon
Comment
OBI21635
Dudleya abramsii subsp. murina
David J. Keil
1979-7-1
13132
San Luis Obispo
Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
UCD101864
Dudleya abramsii subsp. murina
Daryl Koutnik
1978-6-19
523
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCD101865
Dudleya abramsii subsp. murina
Daryl Koutnik
1978-6-19
523
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCD101866
Dudleya abramsii subsp. murina
Daryl Koutnik
1978-6-19
523
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR118372
Dudleya abramsii subsp. murina
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4254
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
OBI21634
Dudleya lanceolata
David J. Keil
1979-7-1
13131
San Luis Obispo
Ridge between Prefumo and See Cyn, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
OBI70205
Dudleya pulverulenta
David J. Keil
2009-3-22
30568
San Luis Obispo
San Luis Range. Upper Prefumo Canyon
Comment
OBI79585
Dudleya pulverulenta
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31381
San Luis Obispo
San Luis Range (Irish Hills). Hibberd Preserve
315
Comment
UC1953279
Dudleya pulverulenta
David Keil
2009-3-22
30568
San Luis Obispo
San Luis Range. Upper Prefumo Canyon.
Comment
OBI14781
Elatine californica
Robert F. Hoover
1950-5-15
7922
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
OBI35139
Eleocharis coloradoensis
Eric Wise
1983-9-23
1794
San Luis Obispo
N shore of Laguna Lake
Comment
OBI35140
Eleocharis coloradoensis
Eric Wise
1983-9-23
1794
San Luis Obispo
N shore of Laguna Lake
Comment
OBI31752
Eleocharis macrostachya
Smeltzer, Turnquist
1982-5-19
140
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
OBI67036
Eleocharis rostellata
David J. Keil
2001-5-14
29451
San Luis Obispo
Drainage on southwestern side of serpentine ridge on west side of O'Connor Way, west of San Luis Obispo; 35.2931 deg. N x 120.7321 deg. W
98
Comment
UCR42830
Elymus elongatus
David J. Keil
1977-8-7
12487
San Luis Obispo
Along Los Osos Valley Road at turnoff to Telephone Company Road c. 0.5 mi west of Foothill Blvd.
44
Comment
OBI59373
Elymus elymoides
Michael Curto, with Jill Bushakra
2001-6-14
29546
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI44855
Elymus multisetus
David J. Keil
1979-7-1
13141
San Luis Obispo
Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
SEINET239944
Elymus multisetus
David Keil
1979-7-1
13141
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
RSA659432
Elymus stebbinsii
David J. Keil
1979-7-1
13140
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
SEINET239945
Elymus stebbinsii subsp. septentrionalis
David Keil
1979-7-1
13140
San Luis Obispo
Ridge between Prefumo and See Canyon. About 5 mi from junction of Los Osos Valley Road and Perfumo Canyon Road.
Comment
OBI44857
Elymus trachycaulus
David J. Keil
1979-7-1
13140
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
OBI79217
Elymus trachycaulus
David J. Keil
2012-5-27
31362
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
UC2013158
Elymus trachycaulus
David Keil
1979-7-1
13140
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCR42652
Elymus triticoides subsp. multiflorus
David J. Keil
1979-4-29
13050
San Luis Obispo
Central Coast, See Canyon
Comment
RSA647578
Emmenanthe penduliflora
P. M. Harthill
1972-4-15
s.n.
San Luis Obispo
Irish Canyon.
457
Comment
SEINET244300
Epilobium brachycarpum
G. K. Helmkamp, E. A. Helmkamp
2000-9-2
5969
San Luis Obispo
Irish Hills; Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.
137
Comment
UCR119349
Epilobium brachycarpum
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5976
San Luis Obispo
Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach)
91
Comment
UCR119829
Epilobium brachycarpum
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5969
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
OBI81475
Epilobium canum
Marina Miller, Katie Warde
2015-11-6
1
San Luis Obispo
Approx. 200 ft from Mariposa Trailhead directly next to a mulch pile on the right hand side of the trail, near a small clearing with other mulch piles. There is also a dried up creek bed in the area. Plants surrounded by Coyote Bush
Comment
UCR119350
Epilobium canum subsp. canum
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5975
San Luis Obispo
Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach)
91
Comment
OBI12155
Epilobium densiflorum
Robert F. Hoover
1969-8-25
11556
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI31770
Epilobium densiflorum
Smeltzer, Turnquist
1982-7-28
211
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
UC1392962
Epilobium densiflorum
R. F. Hoover
1969-8-25
11556
San Luis Obispo
Laguna de San Luis Obispo
Comment
SBBG46836
Epilobium minutum
L. W. Edge
1973-4-10
269
San Luis Obispo
near summit of Prefumo Cyn Rd
Comment
OBI72004
Equisetum telmateia
Michael Walgren
2010-2-16
81
San Luis Obispo
Irish Hills, Montana de oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon Road, approx. 8 mile from Los Osos Valley Rd. and 0.5 mile from junct. with Prefumo Cyn. Rd. Inland portion of property on inland side of See Cyn. Rd.
335
Comment
UCR115565
Equisetum telmateia subsp. braunii
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5395
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR38860
Eragrostis curvula var. curvula
David J. Keil
1984-7-19
18298
San Luis Obispo
Just off Los Osos Valley Road on Foothill Blvd
Comment
OBI69486
Erigeron canadensis
David J. Keil
2008-8-30
30561
San Luis Obispo
San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 deg. 15'02.40"N x 120 deg. 41'26.73"W
43
Comment
OBI79254
Erigeron divergens
David J. Keil
2012-5-27
31358
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
CDA43311
Erigeron sumatrensis
David J. Keil
2008-8-3
30560
San Luis Obispo
San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way.
Comment
OBI69485
Erigeron sumatrensis
David J. Keil
2008-8-30
30560
San Luis Obispo
San Luis Obispo. Behind Home Depot store along south side of Froom Ranch Way. 35 deg. 15'02.40"N x 120 deg. 41'26.73"W
43
Comment
CDA22641
Eriogonum parvifolium
T. C. Fuller
1962-7-19
9240
San Luis Obispo
Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo.
0
Comment
CDA22642
Eriogonum parvifolium
T. C. Fuller
1962-7-19
9240
San Luis Obispo
Perfumo Canyon Road, 1.7 miles west of junction with Los Osos Valley Road, ca. 6 miles southwest of San Luis Obispo.
0
Comment
OBI80307
Eriogonum parvifolium
Nayl Gonzalez, Casey Reeves, Charlesjosef Noll-Robles, and Vincent Bossone
2014-11-11
1
San Luis Obispo
Bog Thistle Trail at Irish Hills Natural Reserve off of Perfumo Canyon Road. Approximately 250 yards from trailhead
67
Comment
CAS-BOT-BC304094
Eriophyllum confertiflorum
Alice Eastwood; John Thomas Howell
1938-6-14
5922
San Luis Obispo
Prefumo Canyon
Comment
UCR118789
Eriophyllum confertiflorum
George K. Helmkamp
1997-3-8
1454
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCD132269
Eriophyllum confertiflorum var. confertiflorum
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6560
San Luis Obispo
San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos).
91
Comment
UCR118385
Eriophyllum confertiflorum var. confertiflorum
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4239
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
UCR122466
Eriophyllum confertiflorum var. confertiflorum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4007
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134433
Eriophyllum confertiflorum var. confertiflorum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6560
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UCR142580
Eriophyllum confertiflorum var. confertiflorum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5420
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR122473
Erodium brachycarpum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3895
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
CAS-BOT-BC211084
Eryngium aristulatum var. hooveri
R. F. Hoover
1969-8-25
11555
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI54324
Eryngium aristulatum var. hooveri
David J. Keil
1996-6-25
25916
San Luis Obispo
Laguna Lake Park and vicinity, San Luis Obispo
Comment
OBI55647
Eryngium aristulatum var. hooveri
David J. Keil
1989-5-3
21202
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessedfrom end of Diablo Dr at site of proposed Irish Hills Golf Course
Comment
OBI8983
Eryngium aristulatum var. hooveri
Robert F. Hoover
1969-8-25
11555
San Luis Obispo
Laguna de San Luis Obispo
Comment
UC1392960
Eryngium aristulatum var. hooveri
R. F. Hoover
1969-8-25
11555
San Luis Obispo
Laguna de San Luis Obispo
Comment
UC1925857
Eryngium aristulatum var. hooveri
David Keil
1995-6-25
25916
San Luis Obispo
Laguna Lake Park and vicinity, San Luis Obispo.
Comment
UC454511
Eryngium aristulatum var. hooveri
E. P. Unangst
1908-7-30
San Luis Obispo
Laguna
Comment
UC454512
Eryngium aristulatum var. hooveri
I. J. Condit
1908-10-31
San Luis Obispo
Laguna
Comment
UCR266021
Eryngium aristulatum var. hooveri
David J. Keil
1996-6-25
25916
San Luis Obispo
Laguna Lake Park and vicinity, San Luis Obispo, NW corner of park
38
Comment
OBI18906
Erythranthe arenicola
David J. Keil
1979-4-29
13058
San Luis Obispo
Upper Prefumo Cyn Rd
Comment
OBI79963
Erythranthe cardinalis
David J. Keil
2013-7-6
31824
San Luis Obispo
Prefumo Canyon Road. Creek bottom just upstream of bridge 3
100
Comment
SBBG127301
Erythranthe cardinalis
D. J. Keil
2013-7-6
31824
San Luis Obispo
Prefumo Cyn Rd, crk bottom just upstream of bridge 3
100
Comment
UCR122463
Eschscholzia caespitosa
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4003
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR39004
Eschscholzia caespitosa
David J. Keil
1982-3-20
15747
San Luis Obispo
Central Coast/South Coast Range, San Luis Range in Irish Hills along dirt road leading from See Canyon Road to Hibberd Preserve
Comment
CAS-BOT-BC403490
Eschscholzia californica
Alice Eastwood; John Thomas Howell
1938-6-14
5924
San Luis Obispo
Prefumo Canyon
Comment
UCR118374
Eschscholzia californica
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4251
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR161360
Eschscholzia californica
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9078
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
UCR25003
Eschscholzia hypecoides
George K. Helmkamp
1981-8-7
s.n.
San Luis Obispo
Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley
213
Comment
OBI12261
Eucalyptus globulus
R. A. Hays
1957-10-12
s.n.
San Luis Obispo
Perfumo Cyn
Comment
OBI31771
Eucalyptus viminalis
Smeltzer, Turnquist
1982-4-21
57
San Luis Obispo
Collected from rear parking area along NE lake edge in laguna Lake park
Comment
OBI44863
Euphorbia spathulata
David J. Keil
1979-7-1
13133
San Luis Obispo
Ridge between Prefumo and See Cyn, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
OBI70774
Eurybia radulina
David J. Keil
2009-8-17
30633
San Luis Obispo
San Luis Obispo. Irish Hills Natural Area above Prefumo Canyon. Lower Mariposa Trail below junction with Bog Thistle Trail. Vicinity of 35 deg. 15.614'N x 120 deg. 564'W
119
Comment
SD148256
Eurybia radulina
G. K. Helmkamp, E. A. Helmkamp
2000-9-2
5972
San Luis Obispo
Irish Hills; Profumo Canyon, 2.2 miles west of Los Osos Valley Road.
136
Comment
UC1953226
Eurybia radulina
David Keil
2009-8-17
30633
San Luis Obispo
San Luis Obispo. Irish Hills Natural Area above Prefumo Canyon. Lower Mariposa Trail below junction with Bog Thistle Trail.
Comment
OBI59372
Festuca arundinacea
Michael Curto, with Jill Bushakra
2001-6-14
29555
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI2579
Festuca californica
Larry E. Brown
1970-4-1
1922
San Luis Obispo
In Perfumo Cyn near San Luis Obispo
Comment
OBI2835
Festuca californica
Larry E. Brown
1971-4-25
1962
San Luis Obispo
In Perfumo Cyn near San Luis Obispo
Comment
OBI79608
Festuca californica
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31364
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
OBI79442
Festuca elmeri
David J. Keil
2013-5-12
31734
San Luis Obispo
Irish Hills Open Space. Lower Mariposa Trail just above junction with Bog Thistle Trail
150
Comment
UCR161358
Festuca myuros
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9086
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
OBI59371
Festuca perennis
Michael Curto, with Jill Bushakra
2001-6-14
29549
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI79609
Festuca perennis
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31365
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
UCR122736
Filago gallica
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3889
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
OBI25939
Foeniculum vulgare
Lorraine Vinland
1981-11-3
2
San Luis Obispo
E shore of Laguna Lake
Comment
SDSU19713
Fritillaria affinis
Sean Ryan, Michael G. Simpson
2010-4-1
24
San Luis Obispo
South road cut of Prefumo Canyon Road. 2.3 miles from the intersection with Los Osos Valley Road and 100 yards east of bridge.
103
Comment
UCR115578
Fritillaria affinis
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5402
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment Read comments Jun 24 2012
UCR161345
Fritillaria affinis
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9051
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment Read comments Jun 24 2012
OBI59374
Fritillaria biflora
David J. Keil, with Jill Bushakra
2001-6-14
29548
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI79781
Fritillaria biflora
David J. Keil
2013-4-6
31579
San Luis Obispo
San Luis Range. Prefumo Canyon Road
80
Comment
SDSU19704
Fritillaria biflora var. biflora
Sean Ryan, Leslie St. John, Craig Jacobson
2010-2-27
San Luis Obispo
NE facing slope just below serpentine outcrops on north side of Via Laguna Vista, approximately 100m WNW of its intersection with Donegal Drive. San Luis Obispo, CA.
103
Comment
OBI79753
Fritillaria ojaiensis
David J. Keil
2013-3-25
31566
San Luis Obispo
San Luis Range. Prefumo Canyon
100
Comment
UCR115566
Galium aparine
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5393
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UC2013238
Galium californicum
David Keil
1979-7-1
13135
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
OBI44861
Galium californicum subsp. flaccidum
David J. Keil
1979-7-1
13135
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon Rd
Comment
UC455880
Galium californicum subsp. flaccidum
E. P. Unangst
1906-5-30
San Luis Obispo
Prefumo Canyon San Luis Obispo
Comment
UCR118946
Galium cliftonsmithii
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4238
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
OBI44810
Gamochaeta ustulata
David J. Keil
1979-7-1
13118
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos valley rd and Prefumo Cyn rd
Comment
OBI72834
Gamochaeta ustulata
Michael Walgren
2010-4-29
143
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn Rd
301
Comment
OBI79445
Gamochaeta ustulata
David J. Keil
2013-5-15
31736
San Luis Obispo
San Luis Range. Prefumo Canyon. Along banks above private drive off Prefumo Canyon Road
120
Comment
OBI62793
Garrya elliptica
Ed Zimmerman
1966-4-8
11
San Luis Obispo
Perfumo cyn
Comment
OBI66540
Garrya elliptica
David J. Keil
1996-12-5
s.n.
San Luis Obispo
Prefumo Cyn
Comment
OBI79603
Garrya elliptica
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31373
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. Davis Peak beneath powerline corridor
541
Comment
SEINET3928176
Garrya elliptica
David J. Keil
2012-6-21
31373
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.; 0
541
Comment
UC454527
Garrya elliptica
I. J. Condit
1908-2-17
San Luis Obispo
Prefumo Canyon
Comment
UCR122461
Garrya veatchii
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4001
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
SFV12392
Genista monspessulana
D. L. Koutnik
1978-6-19
529
San Luis Obispo
Prefumo Canyon.
244
Comment
UCD105727
Genista monspessulana
Daryl Koutnik
1978-6-19
529
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR161699
Genista monspessulana
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9052
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
UCR97563
Genista monspessulana
George K. Helmkamp
1997-3-8
1439
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR134396
Geranium carolinianum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6590
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UCR61731
Geranium dissectum
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
UCR88338
Geranium dissectum
George K. Helmkamp
1995-6-20
95 2 17
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI75256
Geranium molle
David J. Keil
2011-5-12
31009
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
304
Comment
UCR115786
Geranium molle
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5376
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
OBI78837
Gilia achilleifolia
Michael Walgren
2014-4-30
402
San Luis Obispo
San Luis Range along the PG&E access road above Wild Cherry Canyon
359
Comment
RSA0095182
Gilia achilleifolia subsp. achilleifolia
George K. Helmkamp, Elizabeth A. Helmkamp
2001-4-29
6595
San Luis Obispo
Irish Hills: Profumo Cyn Rd., 2.8 mi W of Los Osos Valley Rd. (SW of San Luis Obispo).
91
Comment
RSA742095
Gilia achilleifolia subsp. achilleifolia
Peter L. Morrell
1992-5-28
157
San Luis Obispo
Central Coast: 6060 Ontario Rd., 0.8 miles N of Avila Beach, near San Luis Bay Dr. exit off CA Hwy 101.
16
Comment
SEINET14623422
Gilia achilleifolia subsp. achilleifolia
V. Grant, A. Grant
1948-5-29
8555
San Luis Obispo
On Hwy 101, 5 miles SW of San Luis Obispo.
Comment
UCD117628
Gilia achilleifolia subsp. achilleifolia
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6595
San Luis Obispo
San Luis Obispo County: Irish Hills, Profumo Canyon Road, 2.8 miles west of Los Osos Valley Road (SW of San Luis Obispo.)
91
Comment
UCR122467
Gilia achilleifolia subsp. achilleifolia
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4008
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134401
Gilia achilleifolia subsp. achilleifolia
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6595
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
UCR202448
Gilia achilleifolia subsp. achilleifolia
Peter L. Morrell
1992-5-28
157
San Luis Obispo
Central Coast, 6060 Ontario Rd., 0.8 miles N of Avila Beach, near San Luis Bay Dr. exit of CA Hwy 101
16
Comment
UCR202540
Gilia achilleifolia subsp. achilleifolia
Peter L. Morrell, K. L. Kendrick
1996-5-19
490
San Luis Obispo
Central Coast, 100 m north of 6060 Ontario Road, 0.8 mi north of Avila Beach, San Luis Bay exit off Calif. Hwy 101
100
Comment Read comments Oct 11 2010
UCR88714
Gilia achilleifolia subsp. achilleifolia
George K. Helmkamp
1995-6-20
950620- 32
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
UCR104785
Gnaphalium californicum
George K. Helmkamp
1997-3-8
1462
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR115563
Gnaphalium californicum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5390
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR134408
Gnaphalium californicum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6568
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UC455733
Guillenia lasiophylla
E. P. Unangst
1908-4-12
San Luis Obispo
Perfumo Canyon
Comment
OBI70813
Hainardia cylindrica
David J. Keil
2009-6-18
30621
San Luis Obispo
Boysen Ranch created wetlands. West of Foothill Road between O'Connor Way and Los Osos Valley Road
Comment
OBI75116
Hazardia squarrosa
Robert F. Hoover
1946-8-3
6262
San Luis Obispo
Perfumo Cyn, San Luis Range
Comment
UC1285344
Hazardia squarrosa var. grindelioides
R. F. Hoover
1946-8-3
6262
San Luis Obispo
Perfumo Canyon San Luis Range, Perfumo Canyon
Comment
CAS-BOT-BC302374
Hazardia squarrosa var. squarrosa
R. F. Hoover
1946-8-3
6262
San Luis Obispo
Perfumo Canyon, San Luis Range
Comment
OBI31634
Helenium puberulum
Smeltzer, Turnquist
1982-5-19
136
San Luis Obispo
Along the Laguna Lake pavedrd and the NE shoreline of lake
Comment
OBI80015
Helenium puberulum
David J. Keil
2013-7-6
31826
San Luis Obispo
San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3
100
Comment
OBI31618
Helminthotheca echioides
Smeltzer, Turnquist
1982-5-19
137
San Luis Obispo
Along the Laguna Lake pavedrd and the NE shoreline of lake
Comment
CAS-BOT-BC309860
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1969-8-15
11546
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC309868
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1965-8-1
9498
San Luis Obispo
Valley west of Mt. Bishop
Comment
CAS-BOT-BC309869
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1965-8-1
9498
San Luis Obispo
Valley west of Mt. Bishop
Comment
OBI16220
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1965-8-1
9498
San Luis Obispo
Valley W of Mt Bishop
Comment
OBI16221
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1969-8-25
11562
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI16228
Hemizonia congesta subsp. luzulifolia
Robert F. Hoover
1969-8-15
11546
San Luis Obispo
Valley W of Mt Bishop
Comment
SBBG40546
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1969-8-15
11546
San Luis Obispo
valley W of Mt Bishop
Comment
SBBG48553
Hemizonia congesta subsp. luzulifolia
L. W. Edge
1974-6-20
450
San Luis Obispo
upper Prefumo Cyn
Comment
UC1285167
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1965-8-1
9498
San Luis Obispo
valley w Mt. Bishop
Comment
UC1392634
Hemizonia congesta subsp. luzulifolia
R. F. Hoover
1969-8-15
11546
San Luis Obispo
valley w Mt. Bishop
Comment
UCR118378
Hemizonia congesta subsp. luzulifolia
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4246
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR88341
Hemizonia congesta subsp. luzulifolia
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95 2 30
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment Read comments Jan 7 2013
OBI54245
Hesperevax sparsiflora var. sparsiflora
David J. Keil, V. L. Holland
1996-6-6
25886
San Luis Obispo
Prefumo Cyn Homes project site along Prefumo Crk ca 1/3 mi from Los Osos Valley Rd
Comment
OBI7217
Hesperocyparis macrocarpa
R. A. Hays
1957-10-12
s.n.
San Luis Obispo
Perfumo Cyn, San Luis Obispo
Comment
OBI83459
Heteromeles arbutifolia
Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue
2017-1-26
4
San Luis Obispo
Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream.
80
Comment
CDA6979
Heterotheca grandiflora
David J. Keil
1996-12-5
s.n.
San Luis Obispo
Prefumo Canyon.
0
Comment
OBI78663
Heterotheca grandiflora
Rebecca Liberatore
2013-11-11
1
San Luis Obispo
Base of Irish Hills Open Space, San Luis Obispo, CA. Directly west of South corner of Costco parking lot
46
Comment
SBBG112725
Heterotheca grandiflora
D. Keil
1996-12-5
San Luis Obispo
Prefumo Cyn
Comment
OBI79606
Hieracium argutum
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31366
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
UC2027577
Hieracium argutum
David J. Keil with Mike Walgren and Sally Krenn
2012-6-21
31366
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
Comment
UC454704
Hoita orbicularis
unknown
422
San Luis Obispo
Prefumo Canyon; near creek
Comment
UCR118357
Holodiscus discolor
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4224
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
CAS-BOT-BC284668
Hordeum brachyantherum subsp. brachyantherum
R. F. Hoover
1964-5-14
8881
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo
Comment
OBI75263
Hordeum brachyantherum subsp. brachyantherum
David J. Keil
2011-5-12
31002
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
300
Comment
RSA779036
Hordeum brachyantherum subsp. brachyantherum
David J. Keil
2011-5-12
31002
San Luis Obispo
San Luis Range. Irish Hills. Madona-Twisselmann Ranch, accessed from Prefumo Canyon Road
300
Comment
OBI63027
Hordeum brachyantherum subsp. californicum
David J. Keil
1989-5-3
21205
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley Rd and Prefumo Cyn Rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf Course
Comment
CDA43321
Iris pseudacorus
David J. Keil
2011-9-14
31023
San Luis Obispo
San Luis Obispo Creek at San Luis Bay Drive bridge east of US 101.
Comment
OBI75157
Iris pseudacorus
David J. Keil
2011-9-14
31023
San Luis Obispo
San Luis Obispo Creek at San Luis Bay Drive bridge east of US 101
12
Comment
OBI79420
Isolepis cernua
David J. Keil
2013-6-6
31787
San Luis Obispo
San Luis Range. Prefumo Canyon
130
Comment
OBI75158
Juglans hindsii
David J. Keil
2011-9-14
31024
San Luis Obispo
San Luis Obispo Creek along Monte Road north of intersection with San Luis Bay Drive
9
Comment
UC2027274
Juglans hindsii
David J. Keil
2011-9-14
31024
San Luis Obispo
San Luis Obispo Creek along Monte Road north of intersection with San Luis Bay Drive
Comment
UC1146333
Juncus phaeocephalus
R. F. Hoover
1950-5-15
7918
San Luis Obispo
near nw end Laguna; San Luis Obispo
Comment
OBI82582
Keckiella cordifolia
David J. Keil
2015-6-20
33260
San Luis Obispo
Prefumo Canyon, between 2nd and 3rd bridge
120
Comment
UCR117396
Keckiella cordifolia
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95- 2 -
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI44854
Koeleria macrantha
David J. Keil
1979-7-1
13142
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
OBI59369
Koeleria macrantha
Michael Curto, with Jill Bushakra
2001-6-14
29545
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UC2013157
Koeleria macrantha
David Keil
1979-7-1
13142
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
OBI49636
Lagophylla ramosissima
David J. Keil
1989-5-3
21204
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
UCR118382
Lagophylla ramosissima
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4241
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
CDA2222
Lamarckia aurea
G. D. Barbe
1973-3-13
1133
San Luis Obispo
Bishop Canyon Road (See Canyon) north of Avila Beach.
0
Comment
OBI75163
Lamium amplexicaule
David J. Keil
2011-4-24
30996
San Luis Obispo
940 Del Rio Ave., San Luis Obispo
60
Comment
CAS-BOT-BC355494
Lasthenia glaberrima
R. F. Hoover
1950-5-15
7916
San Luis Obispo
Near NW end of Laguna
Comment
RSA201725
Lasthenia glaberrima
Robert F. Hoover
1950-5-15
7916
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo.
Comment
UC1285419
Lasthenia glaberrima
R. F. Hoover
1950-5-15
7916
San Luis Obispo
near nw end Laguna (San Luis Obispo); San Luis Obispo
Comment
UC1953281
Lasthenia glaberrima
David Keil
2009-4-16
30581
San Luis Obispo
Los Osos Valley. Boysen Ranch Wetland Mitigation area between Los Osos Valley Road and O'Connor Way west of Foothill Road. West of city limits of San Luis Obispo.
Comment
UCR161361
Lasthenia gracilis
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9079
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
OBI73565
Lathyrus latifolius
David J. Keil
2010-8-30
30930
San Luis Obispo
Lower Prefumo Canyon Road, 1 mile from intersection with Los Osos Valley Road
70
Comment
OBI80000
Lathyrus latifolius
David J. Keil
2013-6-30
31822
San Luis Obispo
See Canyon, ca. 1/4 mile from Avila Road
20
Comment
UC1953188
Lathyrus latifolius
David Keil
2010-8-30
30930
San Luis Obispo
Lower Prefumo Canyon Road, 1 mile from intersection with Los Osos Valley Road.
Comment
UCR118364
Lathyrus latifolius
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4227
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
SEINET956317
Lathyrus vestitus
G. K. Helmkamp, E. A. Helmkamp
2000-1
5383
San Luis Obispo
Central Coast: Prefumo Cyn. 1.2 mi S of Los Osos Valley Rd.
183
Comment
OBI72015
Lathyrus vestitus var. vestitus
Michael Walgren
2010-2-1
67
San Luis Obispo
Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd
335
Comment
UCR115780
Lathyrus vestitus var. vestitus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5383
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR115791
Lathyrus vestitus var. vestitus
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5371
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR161287
Lathyrus vestitus var. vestitus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9042
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road
98
Comment
UCR161302
Lathyrus vestitus var. vestitus
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9103
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
OBI31622
Layia jonesii
Smeltzer, Turnquist
1982-5-7
113
San Luis Obispo
On the NE side of Laguna Lake Park
Comment
UC1069746
Layia jonesii
H. C. Lee
1936-3-23
528
San Luis Obispo
3/4 mi se Mine Hill; Arroyo Grande Quad.
Comment
UC1069747
Layia jonesii
P. L. Johannsen
1936-3-22
736
San Luis Obispo
1 3/4 mi sw San Luis Obispo; San Luis Obispo Quad., Plot 11
106
Comment
A400236
Lepechinia calycina
A. Eastwood & J. T. Howell
1938-6-14
5936
Unknown
Prefumo Canyon
Comment
CAS-BOT-BC221508
Lepechinia calycina
Alice Eastwood; John Thomas Howell
1938-6-14
5936
San Luis Obispo
Prefumo Canyon
Comment
UC1124455
Lepechinia calycina
H. C. Lee
1936-4-9
555
San Luis Obispo
1 1/4 miles ENE of Saddle Peak
518
Comment
UC456129
Lepechinia calycina
E. P. Unangst
1906-5-30
San Luis Obispo
Perfumo Canyon
Comment
OBI55345
Lepidium appelianum
David J. Keil
1998-5-6
27131
San Luis Obispo
Outskirts of San Luis Obispo. S of west end of Madonna Rd. and W of Los Osos Valley Rd.
Comment
OBI48248
Lepidium lasiocarpum
David J. Keil
1989-5-3
21212 -1
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
UCR161356
Lepidium nitidum var. oreganum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9073
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
UCR61739
Lepidium oblongum
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
UCR161351
Lepidium pinnatifidum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9068
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
UCSB39847
Leptosiphon grandiflorus
Shaw, J.
1982-7-1
San Luis Obispo
Los Osos Valley Road at intersection with Descanso Street
30
Comment
CAS-BOT-BC130788
Lilium pardalinum
Alice Eastwood; John Thomas Howell
1938-6-14
5918
San Luis Obispo
Prefumo Canyon
Comment
OBI73556
Lilium pardalinum subsp. pardalinum
David J. Keil
2010-11-2
30939
San Luis Obispo
Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek
70
Comment
UC1953191
Lilium pardalinum subsp. pardalinum
David Keil
2010-11-2
30939
San Luis Obispo
Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek.
Comment
UC843962
Lilium pardalinum subsp. pardalinum
Alice Eastwood and John Thomas Howell
1938-6-14
5918
San Luis Obispo
Prefumo Canyon
Comment
UC570289
Linanthus parviflorus
P. L. Johannsen
1936-3-22
734
San Luis Obispo
1.75 mi sw San Luis Obispo; San Luis Obispo Quad.
106
Comment
CDA25415
Lithophragma cymbalaria
G. D. Barbe, J. L. Johnson
1973-3-13
1134
San Luis Obispo
Bishop Canyon Road (See Canyon) north of Avila Beach.
0
Comment
SBBG46691
Lithophragma heterophyllum
L. W. Edge
1973-4-9
263
San Luis Obispo
lower See Cyn
Comment
UCR115777
Lithophragma heterophyllum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5386
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR161296
Lithophragma heterophyllum
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9095
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
UCR161343
Lithophragma heterophyllum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9041
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road
98
Comment
OBI44809
Logfia gallica
David J. Keil
1979-7-1
13119
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley red and Prefumo Cyn Rd
Comment
OBI72818
Logfia gallica
Michael Walgren
2010-4-29
140
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See
279
Comment
UC310382
Lomatium caruifolium var. caruifolium
Philip A. Munz
1925-3-24
9234
San Luis Obispo
3 mi. w. San Luis Obispo
Comment
UCR161354
Lomatium caruifolium var. caruifolium
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9071
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI27154
Lomatium dasycarpum
B. W. & T. W., T. W.
1967-3-25
San Luis Obispo
Prefumo Cyn
Comment
OBI80937
Lomatium dasycarpum
Joseph Prohoroff, Dean Craig, Dennis Fennessy, Margaret Barreto
2015-4-26
3
San Luis Obispo
Irish Hills, Bog Thistle Trail
Comment
UC1123013
Lomatium dasycarpum subsp. dasycarpum
H. C. Lee
1936-3-23
526
San Luis Obispo
Mine Hill Arroyo Grande Quad., Mine Hill
Comment
CAS-BOT-BC218439
Lomatium parvifolium
John Thomas Howell; Alice Eastwood
1938-6-14
5919
San Luis Obispo
Prefumo Canyon
Comment
OBI38323
Lomatium parvifolium
David J. Keil
1979-4-29
13056
San Luis Obispo
Upper Prefumo Cyn rd
Comment
OBI44808
Lomatium parvifolium
David J. Keil
1979-7-1
13120
San Luis Obispo
Ridge between Prefumo and See cyns. About 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
UC640628
Lomatium parvifolium
Alice Eastwood and John Thomas Howell
1938-6-14
5919
San Luis Obispo
Prefumo Canyon
Comment
UCR42862
Lomatium parvifolium
David J. Keil
1979-4-29
13056
San Luis Obispo
Upper Prefumo Canyon Road
Comment
UCR161322
Lomatium utriculatum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9081
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
UCR87685
Lonicera hispidula
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95 2 24
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
UC1125242
Lonicera hispidula var. vacillans
H. C. Lee
1936-4-6
550
San Luis Obispo
1 mi e Saddle Peak; Port San Luis Quadrangle
Comment
UC1125246
Lonicera hispidula var. vacillans
H. C. Lee
1936-5-11
599
San Luis Obispo
1/2 mi s of head Davis Canyon; Port San Luis Quadrangle
Comment
UC455868
Lonicera hispidula var. vacillans
E. P. Unangst
1906-1
San Luis Obispo
Perfumo Canyon
Comment
UCR118373
Lonicera hispidula var. vacillans
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4252
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR134411
Lonicera involucrata var. ledebourii
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6571
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI13213
Lotus corniculatus
R. R. La Belle
1967-10-10
27
San Luis Obispo
Laguna lake, San Luis Obispo. NE side of lake
Comment
UCR100023
Lotus junceus
George K. Helmkamp, E. Helmkamp
1990-11-21
- 2 -19
San Luis Obispo
Bear Creek Ranch, 6 mi. SE of Los Osos on Clark Valley Rd.
396
Comment
UC454675
Lotus micranthus
E. P. Unangst
1906-5-30
San Luis Obispo
Perfumo Canyon
Comment
UCR115581
Lotus micranthus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5413
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR123182
Lotus micranthus
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3890
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR122460
Lotus procumbens var. procumbens
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4000
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134434
Lotus procumbens var. procumbens
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6562
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UCR118337
Lotus purshianus
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5964
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR118344
Lotus purshianus var. purshianus
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5970
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR134389
Lotus scoparius var. scoparius
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6582
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR134418
Lotus wrangelianus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6577
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UC454671
Lupinus affinis
I. J. Condit
1910-6-4
San Luis Obispo
Prefumo Canyon Prefumo Canyon, San Luis Obispo (San Luis Obispo); , Prefumo Canyon
Comment
OBI23311
Lupinus albifrons
J. T. Arnold
1965-4-11
50
San Luis Obispo
West side of See Canyon, S 1/2 sect 11, T31S, R11E
Comment
UC1129329
Lupinus albifrons
H. C. Lee
1936-5-11
600
San Luis Obispo
1/2 mi s head of Davis Canyon; Port San Luis Quad.
Comment
OBI72024
Lupinus bicolor
Michael Walgren
2010-2-1
75
San Luis Obispo
irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd
335
Comment
UCR134436
Lupinus bicolor
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6564
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI79708
Lupinus concinnus
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31376
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road
482
Comment
UCR161346
Lupinus hirsutissimus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9056
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
OBI72011
Lupinus latifolius
Michael Walgren
2010-2-1
72
San Luis Obispo
Irish Hills, Montana de Oro State park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn Rd
Comment
UCD108118
Lupinus latifolius
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6569
San Luis Obispo
San Luis Obispo County: Irish Hills: Clark Valley Rd., 2.8 mi S of Los Osos Valley Rd (E of Los Osos).
91
Comment
UCD108119
Lupinus latifolius
G. K. Helmkamp; E. K. Helmkamp
2001-4-29
6588
San Luis Obispo
San Luis Obispo County: Irish Hills; Clark Valley Road; 4.2 mi S of Los Osos Valley Rd. (east of Los Osos).
274
Comment
UCR103809
Lupinus latifolius
George K. Helmkamp
1997-3-8
1452
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR61743
Lupinus latifolius
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
UCR97566
Lupinus latifolius
George K. Helmkamp
1997-3-8
1446
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
RSA22259
Lupinus latifolius subsp. latifolius
Alice Eastwood
1939-4-18
18924
San Luis Obispo
Prefumo Canyon.
Comment
UCR115793
Lupinus latifolius subsp. latifolius
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5368
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR134394
Lupinus latifolius subsp. latifolius
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6588
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UCR161349
Lupinus latifolius subsp. latifolius
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9108
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive
399
Comment
UCR88710
Lupinus latifolius subsp. latifolius
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 23
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
UCR115562
Lupinus latifolius subsp. parishii
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5389
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
SD167116
Lupinus latifolius var. latifolius
G. K. Helmkamp, E. A. Helmkamp
2005-3-9
9088
San Luis Obispo
Irish Hills; See Canyon, 1.0 mile north of San Luis Bay Drive.
42
Comment
UCR122465
Lupinus latifolius var. latifolius
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4006
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134409
Lupinus latifolius var. latifolius
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6569
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UCR161342
Lupinus latifolius var. latifolius
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9088
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
UCD108210
Lupinus latifolius var. parishii
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5389
San Luis Obispo
San Luis Obispo County: Central Coast: Prefumo Cyn., 1.2 mi S of Los Osos Valley Rd.
183
Comment
OBI79623
Lupinus microcarpus
Sarah Ching
2014-5-24
1
San Luis Obispo
San Luis Obispo, Johnson Ranch, 0.25 miles right side of left path.
Comment
OBI48179
Lupinus microcarpus var. densiflorus
David J. Keil
1979-7-1
13129
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd
Comment
UCR118380
Lupinus microcarpus var. densiflorus
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4243
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR118945
Lupinus nanus
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4253
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UC1129691
Lupinus rivularis
B. Bolt
1936-3-13
622
San Luis Obispo
1/2 mi sw of mouth Sycamore Canyon; San Luis Obispo Quad., sw of mouth Sycamore Canyon
Comment
OBI12823
Lupinus succulentus
B. W. & T. W., T. W.
1967-3-25
s.n.
San Luis Obispo
Perfumo Cyn
Comment
UCR134390
Lupinus succulentus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6583
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR161326
Lupinus succulentus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9062
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
UCR161341
Lupinus succulentus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9085
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
UCR97567
Lupinus succulentus
George K. Helmkamp
1997-3-8
1441
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR115564
Lupinus truncatus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5391
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR161347
Lupinus truncatus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9057
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
OBI33339
Luzula campestris
David J. Keil
1982-3-20
15773
San Luis Obispo
Central Coast/South Coast Range; San Luis Range in Irish Hills along dirt road leading from See Canyon Road to Hibberd Preserve
Comment
UCR39006
Luzula campestris
David J. Keil
1982-3-20
15773
San Luis Obispo
Central Coast/South Coast Range, San Luis Range in Irish Hills along dirt road leading from See Canyon Road to Hibberd Preserve
Comment
UCR247967
Luzula comosa var. comosa
David J. Keil, Mike Walgren, Sally Krenn
2012-6-21
31367
San Luis Obispo
Central Coast, San Luis Range, Irish Hills. Road from See Canyon to Davis Peak
447
Comment
OBI79605
Luzula subsessilis
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31367
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
OBI80968
Lysimachia arvensis
Joseph Prohoroff, Dean Craig, Dennis Fennessy, Margaret Barreto
2015-4-26
2
San Luis Obispo
Irish Hills: Bog Thistle Trail
Comment
OBI10719
Lysimachia latifolia
R. Wunrow
Apr-54
s.n.
San Luis Obispo
Perfumo Cyn
Comment
OBI10720
Lysimachia latifolia
R. D. Brister
1966-5-6
111
San Luis Obispo
In Perfumo Cyn near San Luis Obispo
Comment
SBBG132539
Lythrum californicum
D. Keil
2009-6-30
30627
San Luis Obispo
San Luis Obispo outskirts, Froom Ranch off Calle Joaquin W of Los Osos Valley Rd
55
Comment
UC1953234
Lythrum californicum
David Keil
2009-6-30
30627
San Luis Obispo
San Luis Obispo outskirts. From Ranch off Calle Joaquin west of Los Osos Valley Road.
Comment
OBI36951
Lythrum hyssopifolia
Eric Wise
1981-6-15
566
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
OBI82654
Lythrum hyssopifolia
David J. Keil
2015-6-20
33259
San Luis Obispo
Prefumo Canyon just east of 1st bridge
65
Comment
UCSB37988
Lythrum hyssopifolia
Edge, Lyda
1974-6-12
San Luis Obispo
North of Laguna Lake
Comment
OBI59367
Madia exigua
David J. Keil
2001-5-31
29529
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI72817
Madia gracilis
Michael Walgren
2010-4-29
139
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn Rd
Comment
UCD134316
Madia gracilis
Daryl Koutnik
1978-6-19
527
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR118347
Madia gracilis
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5972 A
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR118367
Madia gracilis
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4231
San Luis Obispo
Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd.
198
Comment Read comments Jan 7 2013
UCR118183
Madia sativa
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5979
San Luis Obispo
Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach)
91
Comment
SBBG46675
Maianthemum racemosum
L. W. Edge
1973-4-9
265
San Luis Obispo
lower See Cyn
Comment
UCR118369
Malva nicaeensis
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4257
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
OBI31775
Malvella leprosa
Smeltzer, Turnquist
1982-7-28
209
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
OBI25952
Marrubium vulgare
Karen Bradish
1981-2-20
4
San Luis Obispo
End of Madonna Rd
Comment
OBI80953
Marrubium vulgare
Caroline Darsono-Lay, Kirsten Miller, Anna Norimoto
2015-4-23
2
San Luis Obispo
Irish Hills Trail, beginning of trail (before you get to the trailhead) on teh left side over the fence
Comment
UCR161355
Matricaria matricarioides
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9072
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI73550
Maytenus boaria
David J. Keil
2010-7-22
30924
San Luis Obispo
San Luis Obispo. Along San Adriano Street between Prefumo Canyon Road and Descanso Street.
60
Comment
OBI25940
Medicago polymorpha
Lorraine Vinland
1981-11-3
1
San Luis Obispo
E shore of Laguna Lake
Comment
UCR115575
Medicago polymorpha
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5405
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR161327
Medicago polymorpha
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9061
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
OBI79633
Melica imperfecta
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31377
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road
482
Comment
UCR115573
Melica imperfecta
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5388
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR161317
Melica imperfecta
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9087
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI12791
Melilotus indicus
R. R. LaBelle
1967-10-19
41
San Luis Obispo
Laguna lake, San Luis Obispo, on NE side of lake and peninsula
Comment
OBI75259
Melissa officinalis
David J. Keil
2011-5-12
31006
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
292
Comment
OBI73554
Mentha aquatica
David J. Keil
2010-11-2
30941
San Luis Obispo
Lower Prefumo Canyon Road, 1.6 miles from intersection with Los Osos Valley Road. Along channel of Prefumo Creek
70
Comment
OBI2695
Mentha canadensis
Robert F. Hoover
1969-8-25
11557
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI31763
Mentha canadensis
Smeltzer, Turnquist
1982-5-19
138
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
RSA216772
Mentha canadensis
Robert F. Hoover
1969-8-25
11557
San Luis Obispo
Laguna de San Luis Obispo.
Comment
UC1392943
Mentha canadensis
R. F. Hoover
1969-8-25
11557
San Luis Obispo
Laguna de San Luis Obispo
Comment
UC456134
Mentha canadensis
Unangst and Jepson
1908-7-20
San Luis Obispo
Laguna
Comment
OBI78838
Mentzelia micrantha
Michael Walgren
2014-4-30
401
San Luis Obispo
San Luis Range along the PG&E access road above Wild Cherry Canyon
359
Comment
OBI75254
Micropus californicus var. subvestitus
David J. Keil
2011-5-12
31011
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
354
Comment
UCR61714
Micropus californicus var. subvestitus
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
OBI59660
Microseris
David J. Keil, with Jill Bushakra
2001-6-14
29551
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI44858
Microseris douglasii
David J. Keil
1979-7-1
13138
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of Los Osos Valley red and Prefumo Cyn Rd
Comment
UCR266504
Microseris douglasii
David J. Keil
1979-7-1
13138
San Luis Obispo
Ridge between Prefumo and See Canyons, c. 5. mi from the junction of Los Osos Valley Road and Prefumo Canyon Road
325
Comment
UCR115775
Microseris heterocarpa
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5394
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR103808
Mimulus aurantiacus
George K. Helmkamp
1997-3-8
1451
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR161324
Mimulus aurantiacus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9060
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills; 3.0 mi west of Los Osos Valley Road
140
Comment
JEPS34366
Mimulus aurantiacus var. aurantiacus
Rimo Bacigalupi and L. R. Heckard
1963-4-21
8841
San Luis Obispo
ca. 6.5 mi nw Point San Luis (at Lion Rock, between Crowbar Canyon and Diablo Canyon)
22
Comment
OBI80014
Mimulus guttatus
David J. Keil
2013-7-6
31827
San Luis Obispo
San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3
100
Comment
SBBG54852
Mimulus guttatus
D. Keil
1979-4-29
13058
San Luis Obispo
upper Prefumo Cyn Rd
Comment
UCR118339
Mimulus guttatus
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5966
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR118359
Mimulus guttatus
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4233
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
UCD98269
Minuartia douglasii
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6592
San Luis Obispo
San Luis Obispo County: Irish Hills; Profumo Cyn. Rd., 2.8 miles W of Los Osos Valley Road (SW of San Luis Obispo.)
91
Comment
OBI44869
Monardella palmeri
David J. Keil
1979-7-1
13123
San Luis Obispo
Ridge between Prefumo and See Cyns, about 5 mi from jctn of Los Osos Valley rd and Prefumo Cyn rd
Comment
UC2013175
Monardella villosa
David Keil
1979-7-1
13117
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
JEPS62410
Monardella villosa subsp. obispoensis
E. P. Unangst
1907-7-1
San Luis Obispo
Prefumo Canyon, near San Luis Obispo
Comment
OBI44811
Monardella villosa subsp. obispoensis
David J. Keil
1979-7-1
13117
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd
Comment
OBI78259
Monardella villosa subsp. obispoensis
Robert F. Hoover
1946-8-3
6260
San Luis Obispo
Above Perfumo Cyn, San Luis range
Comment
RSA42986
Monardella villosa subsp. obispoensis
Robert F. Hoover
1946-8-3
6260
San Luis Obispo
Above Perfumo Canyon
Comment
UC771643
Monardella villosa subsp. obispoensis
R. F. Hoover
1946-8-3
6260
San Luis Obispo
Above Perfumo Canyon; San Luis Range
Comment
SBBG123087
Monardella villosa var. obispoensis
D. Keil
1979-7-1
13117
San Luis Obispo
ridge between Prefumo and See cyns, ca 5 mi from jct of Los Osos Valley Rd and Prefumo Cyn Rd
Comment
UCR87682
Navarretia hamata
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95- 02 -
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI59656
Orobanche californica subsp. jepsonii
David J. Keil, with Jill Bushakra
2001-6-14
29557
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UC455563
Orobanche fasciculata
E. P. Unangst
July 1906
San Luis Obispo
Perfumo Canyon.
Comment
RSA201633
Orthocarpus faucibarbatus
Robert F. Hoover
1950-5-15
7920
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo.
Comment
OBI79423
Osmorhiza berteroi
David J. Keil
2013-6-6
31788
San Luis Obispo
San Luis Range. Upper Prefumo Canyon
190
Comment
OBI75258
Osmorhiza chilensis
David J. Keil
2011-5-12
31007
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
292
Comment
UC1953192
Oxalis
David Keil
2010-10-18
30931
San Luis Obispo
San Luis Obispo. 940 Del Rio Ave.
Comment
CDA34285
Oxalis latifolia
David J. Keil
2010-10-18
30931
San Luis Obispo
San Luis Obispo. Del Rio Avenue.
Comment
OBI30931
Oxalis latifolia
David J. Keil
2010-10-18
30931
San Luis Obispo
San Luis Obispo. 940 Del Rio Ave.
60
Comment
SBBG127211
Oxalis latifolia
D. Keil
2010-10-18
30931
San Luis Obispo
940 Del Rio Ave, San Luis Obispo
60
Comment
OBI75217
Panicum dichotomiflorum subsp. dichotomiflorum
David J. Keil
2011-7-4
31057
San Luis Obispo
San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave.
Comment
RSA0028261
Panicum dichotomiflorum subsp. dichotomiflorum
David J. Keil
2011-7-4
31057
San Luis Obispo
San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave.)
Comment
CDA43310
Papaver somniferum
David J. Keil
2008-5-29
30526
San Luis Obispo
Prefumo Canyon Road next to Prefumo Canyon Creek, adjacent to walking trail, just east of trailhead parking lot.
Comment
UC1928074
Papaver somniferum
David Keil
2008-5-29
30526
San Luis Obispo
Prefumo Canyon Road next to Prefumo Canyon Creek, adjacent to walking trail, just east of trailhead parking lot. 35 15'43.55''N x 120 42'40.90''W.
61
Comment
OBI80119
Parnassia palustris
David J. Keil, Matt Ritter, Jenn Yost, Bill Waycott, Dave Myers, Bruce Berlin, et al.
2015-1-24
32560
San Luis Obispo
Irish Hills Natural Reserve, San Luis Obispo Open Spaces. Branch trail from Old Prospector Trail up side canyon. Serpentine parent material.
220
Comment
OBI33460
Pelargonium grossularioides
David J. Keil
2016-2-25
33460
San Luis Obispo
San Luis Obispo. 978 Capristrano Court
70
Comment
UCR132141
Pelargonium grossularioides
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6578
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR118358
Pellaea andromedifolia
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4230
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
UCR118949
Pentagramma triangularis subsp. triangularis
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4232
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
CAS-BOT-BC413604
Persicaria amphibia
R. F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI10860
Persicaria amphibia
Robert F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI36811
Persicaria amphibia
Eric Wise
1981-6-15
558
San Luis Obispo
N shore of Laguna lake, SLO
Comment
OBI45708
Persicaria amphibia
Clifton F. Smith
1960-6-9
6176
San Luis Obispo
In Laguna Lake, SW of San Luis Obispo
Comment
SD148141
Phacelia californica
G. K. Helmkamp, E. A. Helmkamp
2001-4-29
6597
San Luis Obispo
Irish Hills: Profumo Canyon Road, 2.8 miles west of Los Osos Vallaey Road.
91
Comment
UC1602028
Phacelia californica
P. L. Johannsen
1936-3-22
733
San Luis Obispo
1 3/4 mi sw San Luis Obispo (Plot 11); San Luis Obispo Quadrangle
106
Comment
UCR134403
Phacelia californica
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6597
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
OBI19535
Phacelia distans
B. W. & T. W., T. W.
1967-3-25
s.n.
San Luis Obispo
Prefumo Cyn
Comment
OBI55648
Phacelia egena
David J. Keil
1989-5-3
21203
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
SBBG48481
Phacelia imbricata
L. W. Edge
1974-6-10
457
San Luis Obispo
upper Prefumo Cyn
Comment
UCR118366
Phacelia imbricata subsp. imbricata
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4229
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
UC455965
Phacelia malvifolia
E. P. Unangst
1906-4-21
San Luis Obispo
Davis Canyon
Comment
UC762347
Phacelia malvifolia
Robert F. Hoover
1946-4-27
6082
San Luis Obispo
See Canyon
Comment
OBI13754
Phacelia malvifolia var. loasifolia
Robert F. Hoover
1964-5-14
8869
San Luis Obispo
See Cyn
Comment
UCR115772
Phacelia nemoralis subsp. nemoralis
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5399
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR122472
Phacelia viscida
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3896
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
OBI59212
Phalaris californica
Michael Curto
2001-5-31
29527
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
CAS-BOT-BC222610
Pholistoma auritum var. auritum
Ernest C. Twisselmann
1959-4-10
5028
San Luis Obispo
Irish Hills: See Canyon
60
Comment
CAS-BOT-BC222612
Pholistoma auritum var. auritum
Ernest C. Twisselmann
1959-4-10
5028
San Luis Obispo
Irish Hills, See Canyon
60
Comment
CDA19643
Pholistoma auritum var. auritum
G. D. Barbe, Jim Johnson
1973-3-12
1132
San Luis Obispo
Central Coast; Bishop Canyon Rd (See Canyon), north of Avila Beach.
60
Comment
OBI19543
Pholistoma auritum var. auritum
B. W. & T. W., T. W.
1967-4-4
s.n.
San Luis Obispo
Perfumo Cyn
Comment
UCR115790
Pholistoma auritum var. auritum
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5372
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR161290
Pholistoma auritum var. auritum
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9089
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI8675
Phyla nodiflora
R. R. LaBelle
1967-10-10
45
San Luis Obispo
Laguna Lake, San luis Obispo. NE side of lake
Comment
UCR118365
Pickeringia montana
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4228
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
OBI12775
Pickeringia montana var. montana
R. D. Brister
1966-5-6
67
San Luis Obispo
In Perfumo Cyn near SLO
Comment
OBI44860
Pickeringia montana var. montana
David J. Keil
1979-7-1
13136
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon rd
Comment
OBI72005
Pickeringia montana var. montana
Michael Walgren
2010-2-16
80
San Luis Obispo
Irish Hills, Prefumo Cyn rd, about 5.06 mi from Los Osos Valley rd
Comment
UC454640
Pickeringia montana var. montana
E. P. Unangst
1906-5-30
San Luis Obispo
Prefumo Canyon
Comment
UC454641
Pickeringia montana var. montana
J. E. Roadhouse
San Luis Obispo
Prefumo Canyon; n slopes
Comment
UC569813
Pickeringia montana var. montana
B. Bolt
1936-3-19
639
San Luis Obispo
3/4 mi s mouth of Sycamore Canyon; San Luis Obispo Quadrangle
182
Comment
OBI73364
Pinus coulteri
David J. Keil
2010-3-15
30662 -5
San Luis Obispo
Upper Prefumo Canyon Road below See-Prefumo Canyon summit
Comment
UCR246620
Pinus coulteri
Patrick O'Bannon
1973-2-4
015
San Luis Obispo
3 mi in on Perfumo Canyon Road
183
Comment
UCR119241
Piptatherum miliaceum
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5963
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR161285
Pityrogramma triangularis var. triangularis
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9044
San Luis Obispo
Central Coast Hills, Prefumo Canyon, north side of Irish Hills. 1.1 mi SW of Los Osos Valley Road along Prefumo Canyon Road
98
Comment
UCR115576
Plagiobothrys nothofulvus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5404
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
OBI20610
Plagiobothrys trachycarpus
Robert F. Hoover
1950-5-15
7921
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
UCR161359
Plantago erecta
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9077
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
OBI11639
Plantago lanceolata
R. R. LaBelle
1967-4-2
20
San Luis Obispo
Laguna Lake, San Luis Obispo
Comment
OBI81473
Plantago lanceolata
Rachel Katz, Jose Vazquez, Logan Williams , Megan Charney
2015-10-31
2
San Luis Obispo
The plant samples were taken from 15 feet around the Mariposa trailhead, however this plant could be collected pretty much anywhere along the trail.
Comment
UCD124593
Plantago lanceolata
Daryl Koutnik
1978-6-19
526
San Luis Obispo
San Luis Obispo County: Prefumo Canyon.
243
Comment
UCR115792
Plantago lanceolata
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5370
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR161294
Plantago lanceolata
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9093
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI11634
Plantago major
R. R. LaBelle
1967-10-10
36
San Luis Obispo
Laguna Lake, San Luis Obispo
Comment
OBI18636
Plantago major
Annemarie Rond
1977-5-28
100
San Luis Obispo
At Laguna Lake on Madonna Rd, Laguna Village
Comment
OBI31711
Plantago major
Smeltzer, Turnquist
1982-5-19
135
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
OBI11616
Platanus racemosa
R. A. Hays
1957-10-12
s.n.
San Luis Obispo
Perfumo Cyn
Comment
OBI36830
Platanus racemosa
Eric Wise
1983-9-23
1792
San Luis Obispo
North shore of Laguna Lake
Comment
UC1127682
Platanus racemosa
B. Bolt
1936-3-19
640
San Luis Obispo
1/2 mi s mouth of Sycamore Canyon; San Luis Obispo Quadrangle
Comment
OBI81305
Platystemon californicus
Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos
2015-4-24
6
San Luis Obispo
Johnson Ranch Open Space.
Comment
UC1126478
Platystemon californicus
H. C. Lee
1936-3-19
588
San Luis Obispo
2 mi n Miles; Arroyo Grande Quad., n of Miles
Comment
UC1126479
Platystemon californicus
P. L. Johannsen
1936-3-22
732
San Luis Obispo
1.75 mi sw San Luis Obispo; San Luis Obispo Quad.
106
Comment
UC569730
Platystemon californicus
P. L. Johannsen
1936-3-22
732
San Luis Obispo
1 3/4 mi sw San Luis Obispo; San Luis Obispo Quad., w of San Luis Obispo
106
Comment
UCR115584
Platystemon californicus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5410
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR161339
Platystemon californicus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9083
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
RSA648499
Platystemon californicus var. californicus
Charles D. Dunn
1972-4-15
s.n.
San Luis Obispo
Perfumo Canyon
61
Comment
UC1120035
Plectritis brachystemon
H. C. Lee
1936-3-23
530
San Luis Obispo
1 1/2 mi s of Mine Hill
213
Comment
UCR115778
Plectritis brachystemon
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5385
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCD137539
Plectritis congesta subsp. brachystemon
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5385
San Luis Obispo
San Luis Obispo County: Central Coast Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
OBI22105
Pleuropogon californicus
Robert F. Hoover
1964-5-14
8880
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
OBI22109
Pleuropogon californicus
Robert F. Hoover
1950-5-15
7917
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
RSA201551
Pleuropogon californicus
Robert F. Hoover
1950-5-15
7917
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo.
Comment
SD71407
Pleuropogon californicus
R. F. Hoover
1950-5-15
7917
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo, in low meadow
Comment
UC1153397
Pleuropogon californicus
R. F. Hoover
1950-5-15
7917
San Luis Obispo
near nw end Laguna (San Luis Obispo)
Comment
CAS-BOT-BC260939
Pleuropogon californicus var. californicus
R. F. Hoover
1964-5-14
8880
San Luis Obispo
Near northwest end of Laguna
Comment
CAS-BOT-BC260940
Pleuropogon californicus var. californicus
R. F. Hoover
1950-5-15
7917
San Luis Obispo
Near northwest end of Laguna
Comment
RSA201679
Pleuropogon californicus var. californicus
Robert F. Hoover
1950-5-15
7917
San Luis Obispo
Near northwest end of Laguna, San Luis Obispo.
Comment
UCR161299
Poa annua
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9098
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI44867
Pogogyne douglasii
David J. Keil
1979-7-1
13126
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd
Comment
RSA659434
Pogogyne douglasii
David J. Keil
1979-7-1
13126
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UC2013173
Pogogyne douglasii
David Keil
1979-7-1
13126
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCR246617
Pogogyne douglasii
Lynne Dee Oyler, David J. Keil
1988-6-23
534
San Luis Obispo
Upper Perfumo Canyon Road near summit
294
Comment
OBI59365
Pogogyne serpylloides
David J. Keil
2001-5-31
29524
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UC1392959
Polygonum amphibium var. emersum
R. F. Hoover
1969-8-25
11559
San Luis Obispo
Laguna de San Luis Obispo
Comment
UC454284
Polygonum amphibium var. emersum
I. J. Condit
1908-10-4
San Luis Obispo
Laguna
Comment
OBI31703
Polygonum aviculare
Smeltzer, Turnquist
1982-7-28
205
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
CDA25993
Polygonum lapathifolium
R. R. La Belle
1967-10-1
35
San Luis Obispo
Laguna Lake, San Luis Obispo. Northeast side of lake.
0
Comment
OBI79602
Polypodium californicum
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31368
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak.
447
Comment
SEINET3873590
Polypodium californicum
Merlyne Prescott
1969-4-7
139
San Luis Obispo
In Perfumo Canyon.; 0
Comment
UCR161298
Polypodium californicum
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9097
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
OBI72016
Polypodium calirhiza
Michael Walgren
2010-2-1
68
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See
335
Comment
OBI75260
Polypodium calirhiza
David J. Keil
2011-5-12
31005
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
282
Comment
UC2027513
Polypodium calirhiza
David J. Keil
2011-5-12
31005
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
Comment
UCR39140
Polystichum munitum
David J. Keil
1982-3-20
15740
San Luis Obispo
Central Coast/South Coast Range, San Luis Range in Irish Hills along dirt road leading from See Canyon Road to Hibberd Preserve
Comment
OBI37122
Populus fremontii
Eric Wise
1983-9-23
1793
San Luis Obispo
North Shore of Laguna Lake
Comment
OBI9877
Populus trichocarpa
R. A. Hays
1957-10-12
s.n.
San Luis Obispo
Perfumo cyn
Comment
UC455171
Potamogeton nodosus
E. P. Unangst
1908-7-20
San Luis Obispo
Laguna
Comment
OBI10114
Potentilla anserina
Robert F. Hoover
1969-8-25
11560
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI10121
Potentilla anserina
R. R. LaBelle
1967-4-2
7
San Luis Obispo
Laguna Lake, San Luis Obispo. NE side of lake
Comment
OBI31684
Potentilla anserina
Smeltzer, Turnquist
1982-5-19
143
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
OBI36982
Potentilla anserina
Eric Wise
1981-6-15
563
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
CAS-BOT-BC141921
Potentilla anserina subsp. pacifica
R. F. Hoover
1969-8-25
11560
San Luis Obispo
Laguna de San Luis Obispo
Comment
UC1392944
Potentilla anserina subsp. pacifica
R. F. Hoover
1969-8-25
11560
San Luis Obispo
Laguna de San Luis Obispo
Comment
RSA216775
Potentilla anserina var. grandis
Robert F. Hoover
1969-8-25
11560
San Luis Obispo
Laguna de San Luis Obispo.
Comment
OBI83666
Primula clevelandii var. insularis
Jon Catanio, Omar Gonzalez
2016-2-17
2
San Luis Obispo
Irish Hills, Mariposa trail about a quarter mile in, to the left about 10 feet off the rail.
Comment
UCR134415
Prunus fasciculata var. punctata
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6575
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UC453984
Prunus ilicifolia
unknown
1906-1
San Luis Obispo
Prefumo Canyon
Comment
OBI72009
Pseudognaphalium californicum
Michael Walgren
2010-2-1
74
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Baseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See Cyn rd
335
Comment
OBI80956
Pseudognaphalium californicum
Bridget Van Beek, Madison Cheney, Dayle Morris
2015-4-23
San Luis Obispo
Irish Hills Trail; 350 meters into teh left trail on left side
Comment
UCD135064
Pseudognaphalium californicum
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5390
San Luis Obispo
San Luis Obispo County: Central Coast: Prefumo Canyon, 1.2 miles south of Los Osos Valley Road.
183
Comment
OBI83676
Pseudognaphalium luteoalbum
Tricia Bucolo
2016-2-16
1
San Luis Obispo
Past trailhead of Irish Hills Natural Reserve, on side of trail near grassy area.
Comment
UC454338
Psilocarphus tenellus
E. P. Unangst
1906-4-8
San Luis Obispo
Perfumo Canyon
Comment
UCR122462
Psilocarphus tenellus var. tenellus
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4002
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UC2013176
Psoralea orbicularis
David Keil
1979-7-1
13116
San Luis Obispo
San Luis Range, lower Prefumo Canyon.
Comment
UCR97554
Psoralea physodes
George K. Helmkamp
1997-3-8
1443
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR161319
Pteridium aquilinum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9048
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
OBI78686
Pyracantha angustifolia
Jay Donovan
2013-2-9
San Luis Obispo
Laguna Lake about 100 yds northwest of the main parking lot, about 5 feet from the water
Comment
OBI81479
Quercus agrifolia
Chase Proctor, William Pierce, Jack Tooley, Ganon Rush, Yasmin Habibi
2015-11-9
2
San Luis Obispo
Pennington Creek Rd
Comment
OBI83453
Quercus agrifolia
Tanner Tellenbach, Elijah Lax, Brett Donahue, Nolan Donahue
2017-1-26
2
San Luis Obispo
Johnson Ranch Open Space: take Highway 101 south to exit 198 for Higuera Street. At the bottom of a horseshoe bend in the off ramp, turn left into a parking area for Johnson Ranch. To the right of the road follow the trail, cross a stream, about 100 yards up from the stream, and about 50 yards to the right of the trail if you are looking at the stream.
80
Comment
UCR97545
Quercus agrifolia
George K. Helmkamp
1997-3-8
1440
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
OBI79590
Quercus berberidifolia
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31379
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve
441
Comment
UC1135421
Quercus chrysolepis
H. C. Lee
1936-4-6
549
San Luis Obispo
1 mi e Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad.
457
Comment
UC1135422
Quercus chrysolepis
N. French
1936-1-31
706
San Luis Obispo
Head of David Canyon Port San Luis Quad.
457
Comment
OBI71839
Quercus durata
Neil Havlik
2009-12-1
s.n.
San Luis Obispo
SLO, Johnson Ranch Open Space Preserve. NW of intersection with Ontario rd and South Higuera St. West of US 101. Irish Hills, San Luis Range.
Comment
OBI73718
Quercus durata
Neil Havlik
2009-12-1
s.n.
San Luis Obispo
SLO, Johnson Ranch Open Space Preserve. NW of intersection with Ontario rd and South Higuera St. West of US 101. Irish Hills, San Luis Range.
Comment
OBI75099
Quercus durata
Michael Walgren
2011-2-2
240
San Luis Obispo
Perfumo Canyon. forming a dense stand on the south side of the road above a small creek and waterfall. Adjacent to Perfumo crk rd at a pulout 1.2 mi from Los Osos Valley rd
Comment
OBI79589
Quercus durata
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31380
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve
441
Comment
UC1135570
Quercus durata
H. C. Lee
1936-4-9
559
San Luis Obispo
1 mi ne Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad.
426
Comment
UC1953172
Quercus durata
Neil Havlik
2009-12-1
San Luis Obispo
San Luis Obispo. Johnson Rancho Open Space Preserve. Northwest of intersection with Ontario Road and South Higuera Street, west of US 101. Irish Hills, San Luis Range
Comment
UCD102840
Quercus durata
Daniel Sanchez-Mata; M. P. Rodriguez-Rojo
2002-3-30
s.n.
San Luis Obispo
San Luis Obispo County: S. Luis Obispo. Prefumo Canyon. Prefumo Canyon Road-See Canyon Road.
410
Comment
OBI44862
Quercus durata var. durata
David J. Keil
1979-7-1
13134
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo Canyon rd
Comment
SD244718
Quercus durata var. durata
David J. Keil, Mike Walgren and Sally Krenn
2012-6-21
31380
San Luis Obispo
San Luis Range (Irish Hills); Ruda Road near Hibberd Preserve
441
Comment
UCD45879
Quercus durata var. durata
Roman Gankin
1969-9-21
1314
San Luis Obispo
Perfumo Canyon Road off Los Osos Road southwest of San Luis Obispo. San Luis Obispo County, CA.
Comment
UCD45880
Quercus durata var. durata
Roman Gankin
1969-9-21
1315
San Luis Obispo
Perfumo Canyon Road off Los Osos Road southwest of San Luis Obispo. San Luis Obispo County, CA.
Comment
UCD45886
Quercus durata var. durata
Roman Gankin
1969-9-21
1313
San Luis Obispo
A road 2.4 miles from Los Osos Road on northwest facing slope. Perfumo Canyon area. San Luis Obispo County, CA.
Comment
UC1135721
Quercus lobata
H. C. Lee
1936-5-11
598
San Luis Obispo
saddle head of Mine Canyon Port San Luis Quad.
487
Comment
OBI79598
Quercus wislizeni
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31378
San Luis Obispo
San Luis Range (Irish Hills). Ruda Road near Hibberd Preserve
441
Comment
UC1135876
Quercus wislizeni
H. C. Lee
1936-4-9
557
San Luis Obispo
1 mi ene Saddle Peak; San Luis Obispo National Forest, Port San Luis Quad.
457
Comment
OBI75082
Ranunculus californicus
Michael Walgren
2011-2-25
223
San Luis Obispo
Irish Hills, Montana de Oro State park. New Property acquisition known as the "Andre" property about 1/3 of a mi SE of the jctn of See Canyon Rd with Perfumo Cyn rd
342
Comment
UCR103803
Ranunculus californicus
George K. Helmkamp
1997-3-8
1463
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR115774
Ranunculus californicus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5397
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR134420
Ranunculus californicus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6580
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR161344
Ranunculus californicus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9050
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
UCR161353
Ranunculus californicus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9070
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
UCR61755
Ranunculus californicus
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
UC2026916
Rhaponticum repens
David Keil
1984-7-20
18305
San Luis Obispo
Just E of Foothill Road along Los Osos Valley Road
Comment
OBI79861
Ribes indecorum
David J. Keil
2012-10-23
31537 -1
San Luis Obispo
Irish Hills Open Space. Mariposa Trail above junction with Bog Thistle Trail
165
Comment
CAS-BOT-BC168967
Ribes malvaceum
J. E. Roadhouse
April 190_
17
San Luis Obispo
Prefumo Canyon
Comment
UC1127326
Ribes malvaceum
B. Bolt
1936-3-18
636
San Luis Obispo
4 mi se of mouth Osos Creek; Cayucos Quadrangle
Comment
UC455592
Ribes malvaceum
unknown
San Luis Obispo
Prefumo Canyon
Comment
UCR103810
Ribes malvaceum
George K. Helmkamp
1997-3-8
1457
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
OBI57963
Ribes menziesii
Austin P. Griffiths
1985-3-16
s.n.
San Luis Obispo
Hibbard Nature Preserve
Comment
UC1127446
Ribes menziesii
B. Bolt
1936-3-18
637
San Luis Obispo
4 mi se of mouth Osos Creek; Cayucos Quadrangle
Comment
OBI72010
Ribes sanguineum var. glutinosum
Michael Walgren
2010-2-1
73
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See
335
Comment
UC1127598
Ribes sanguineum var. glutinosum
H. C. Lee
1936-4-2
541
San Luis Obispo
head Coon Creek; Port San Luis Quadrangle
Comment
UCR161350
Ribes sanguineum var. glutinosum
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9109
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive
399
Comment
OBI72018
Ribes speciosum
Michael Walgren
2010-2-1
70
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See
335
Comment
UCR97558
Ribes speciosum
George K. Helmkamp
1997-3-8
1447
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
OBI37091
Rorippa palustris subsp. palustris
Eric Wise
1981-6-15
564
San Luis Obispo
N shore of Laguna Lake SLO
Comment
OBI80108
Rosa californica
David J. Keil
2012-9-8
31521
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
72
Comment
UCR118355
Rosa californica
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4219
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
OBI81523
Rosa spithamea
Marina Miller, Katie Warde
2015-11-6
2
San Luis Obispo
Irish Hills Natural Reserve. Plant was found approximately 400 feet into the Mariposa Trail on the right hand side of the trail.
Comment
UCR118319
Rubus armeniacus
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4240
San Luis Obispo
Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd.
198
Comment
UC1128629
Rubus parviflorus
H. C. Lee
1936-4-6
552
San Luis Obispo
Davis Canyon, Port San Luis Quadrangle Davis Canyon; , Port San Luis Quadrangle
Comment
CAS-BOT-BC156991
Rubus ursinus
Ernest C. Twisselmann
1959-4-10
5039
San Luis Obispo
Irish Hills: Perfumo Canyon
106
Comment
CAS-BOT-BC156994
Rubus ursinus
Ernest C. Twisselmann
1959-4-10
5039
San Luis Obispo
Irish Hills: Perfumo Canyon
106
Comment
OBI80109
Rubus ursinus
David J. Keil
2012-8-29
31519
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
78
Comment
OBI80110
Rubus ursinus
David J. Keil
2012-8-29
31519
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
78
Comment
UCR134416
Rubus ursinus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6576
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
OBI10851
Rumex acetosella
R. R. LaBelle
1967-4-2
17
San Luis Obispo
Laguna Lake, San Luis Obispo
Comment
OBI31697
Rumex conglomeratus
Smeltzer, Turnquist
1982-5-19
142
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
OBI36783
Rumex conglomeratus
Eric Wise
1981-6-15
568
San Luis Obispo
North shore of Laguna Lake, SLO
Comment
OBI10838
Rumex crispus
R. R. LaBelle
1967-4-2
16
San Luis Obispo
Laguna Lake, San Luis Obispo
Comment
OBI10840
Rumex crispus
R. R. LaBelle
1967-10-10
50
San Luis Obispo
Laguna Lake, San Luis Obispo
Comment
OBI36988
Rumex crispus
Eric Wise
1981-6-15
567
San Luis Obispo
North shore of Laguna Lake, SLO
Comment
OBI10829
Rumex fueginus
R. R. LaBelle
1967-10-10
30
San Luis Obispo
Laguna Lake, San Luis Obispo. NE side of lake
Comment
OBI10830
Rumex fueginus
Robert F. Hoover
1969-8-25
11554
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI10833
Rumex fueginus
Robert LaBelle
1967-10-22
s.n.
San Luis Obispo
Laguna, San Luis Obispo
Comment
UCR101008
Rumex pulcher
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95 2 31
San Luis Obispo
Bear Creek Ranch, SE of Los Osos. 6 mi SE of Los Osos on Clark Valley Rd
396
Comment
UCR118376
Rumex pulcher
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4249
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
OBI31693
Rumex salicifolius
Smeltzer, Turnquist
1982-5-19
145
San Luis Obispo
Along the Laguna Lake paved rd and the NE shoreline of lake
Comment
OBI31695
Rumex salicifolius
Smeltzer, Turnquist
1982-7-28
207
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
OBI80106
Rumex salicifolius
David J. Keil
2012-9-8
31522
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
75
Comment
UC2013177
Rumex salicifolius
David Keil
1979-7-1
13115
San Luis Obispo
San Luis Range, lower Prefumo Canyon.
Comment
UCR134405
Rupertia physodes
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6565
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI59655
Salix breweri
David J. Keil, with Jill Bushakra
2001-6-14
29558
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UC1953280
Salix breweri
David Keil
2009-3-31
30572
San Luis Obispo
San Luis Range. San Luis Obispo's Irish Hills Open Space.
Comment
OBI31681
Salix laevigata
Smeltzer, Turnquist
1982-4-21
53
San Luis Obispo
Collected from rear parkingarea along NE lake edge in Laguna Lake Park
Comment
OBI31682
Salix laevigata
Smeltzer, Turnquist
1982-4-21
54
San Luis Obispo
Collected from rear parkingarea along NE lake edge in Laguna Lake Park
Comment
OBI37160
Salix laevigata
Eric Wise
1983-9-23
1791
Unknown
North Shore of Laguna Lake
Comment
OBI36906
Salix lasiandra
Eric Wise
1983-9-23
1789
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
OBI36920
Salix lasiandra
Eric Wise
1981-6-15
561
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
OBI31680
Salix lasiolepis
Karen De Martini
1982-2-28
17
San Luis Obispo
Eastern shore of Laguna Lake
Comment
OBI36881
Salix lasiolepis
Eric Wise
1981-6-15
562
San Luis Obispo
North Shore of Laguna Lake; SLO
Comment
OBI37199
Salix lasiolepis
Eric Wise
1983-9-23
1790
San Luis Obispo
North Shore of Laguna Lake
Comment
SD249284
Salix lasiolepis
Elyse Connolly, Emily Brehm, Holt Hanley
2014-2-26
5
San Luis Obispo
San Luis Obispo. Base of Bishop's Peak. NW Side of Foothill trailhead. Open Space, Bottom of Grassy knoll, small grove of trees on right side facing summit.
Comment
UCR115567
Salix lasiolepis
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5396
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UC456139
Salvia columbariae
unknown
May 1905
San Luis Obispo
Perfumo Canyon
Comment
UC573548
Salvia columbariae
P. L. Johannsen
1936-3-22
731
San Luis Obispo
1.75 mi sw San Luis Obispo; San Luis Obispo Quad.
106
Comment
UC1124771
Salvia grahamii
H. C. Lee
1936-4-9
560
San Luis Obispo
0.75 mi se Head of Davis Canyon; San Luis Obispo National Forest, Port San Luis Quad.
228
Comment
UC1124801
Salvia mellifera
H. C. Lee
1936-3-14
500
San Luis Obispo
1.5 mi ne Sycamore Springs; San Luis Obispo National Forest, Arroyo Grande Quad.
152
Comment
UC456108
Salvia mellifera
E. P. Unangst
1906-5-30
San Luis Obispo
Perfumo Canyon
Comment
OBI81014
Salvia spathacea
Anna Norimoto, Caroline Darsono Lay, Kirsten Miller
2015-4-23
1
San Luis Obispo
Irish Hills Trail; to the right of the trail head 2/3 up the hill.
Comment
RSA0119580
Salvia spathacea
Joseph Cahill
2013-3-30
313 -02
San Luis Obispo
South Coast Range: Prefumo Canyon Rd. 3.2 miles west (airline 265 degrees) of Laguna Lake.
186
Comment
UCR103806
Salvia spathacea
George K. Helmkamp
1997-3-8
1449
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR142582
Salvia spathacea
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5421
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR261399
Salvia spathacea
Joseph Cahill
2013-3-30
313- 02
San Luis Obispo
South Coast Range, Prefumo Canyon Rd. 3.2 miles west (airline, 265 deg. ) of Laguna Lake
186
Comment
OBI44807
Sanicula arguta
David J. Keil
1979-7-1
13121
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 mi from jctn of Los Osos Valley rd and Prefumo cyn rd
Comment
UC2013174
Sanicula arguta
David Keil
1979-7-1
13121
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCD127919
Sanicula arguta
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6584
San Luis Obispo
San Luis Obispo County: Irish Hills, Clark Valley Road, 4.2 miles south of Los Osos Valley Road (East of Los Osos.)
274
Comment
UCR134391
Sanicula arguta
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6584
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
OBI81301
Sanicula crassicaulis
Madison Cheney, Dayle Morris, Bridget Van Beek
2015-4-23
San Luis Obispo
Irish Hills Trail; 350 meters into the left trail on left side.
Comment
UCR118790
Sanicula crassicaulis
George K. Helmkamp
1997-3-8
1453
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR161305
Sanicula crassicaulis
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9100
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
OBI59658
Sanicula hoffmannii
David J. Keil, with Jill Bushakra
2001-6-14
29554
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI60030
Sanicula hoffmannii
David J. Keil
1989-5-3
21211
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessedfrom end of Diablo Dr at site of proposed Irish Hills Golf Course
Comment
OBI55649
Sanicula laciniata
David J. Keil
1989-5-3
21207
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley Rd and Prefumo Canyon rd accessed from end of Diablo Dr. at site of proposed Irish Hills Golf course
Comment
UCR161357
Sanicula laciniata
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9074
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI60970
Santolina virens
David J. Keil
1992-5-30
23172
San Luis Obispo
Ornamental planter at SESLOC Credit Union, San Luis Obispo, Royal Way and Los Osos Valley Road
Comment
UCR118383
Satureja douglasii
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4236
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
UCR88343
Satureja douglasii
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 20
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
UC455364
Saxifraga californica
I. J. Condit
1908-2-17
San Luis Obispo
Perfumo Canyon
Comment
UCR161693
Saxifraga californica
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9053
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
OBI75262
Scandix pecten-veneris
David J. Keil
2011-5-12
31003
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
147
Comment
UCR42858
Scandix pecten-veneris
David J. Keil
1981-3-7
14278
San Luis Obispo
Los Osos Valley Rd between Foothill Blvd & Turri Rd.
Comment
UCR88344
Scandix pecten-veneris
George K. Helmkamp, L. Helmkamp
1995-6-20
95- 2 -33
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI31751
Schoenoplectus acutus var. occidentalis
Smeltzer, Turnquist
1982-5-19
141
San Luis Obispo
Along the Laguna Lake pavedrd and the NE shoreline of lake
Comment
OBI35197
Schoenoplectus acutus var. occidentalis
Eric Wise
1981-6-15
573
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
UC1133556
Scirpus californicus
B. Bolt
1936-4-28
696
San Luis Obispo
1 1/2 mi w of Cerro San Luis Obispo; San Luis Obispo Quad.
45
Comment
OBI79601
Senecio glomeratus
David J. Keil, with Mike Walgren and Sally Krenn
2012-6-21
31374
San Luis Obispo
San Luis Range (Irish Hills). Road from See Canyon to Davis Peak. Davis Peak beneath powerline corridor
541
Comment
UCR247969
Senecio glomeratus
David J. Keil, Mike Walgren, Sally Krenn
2012-6-21
31374
San Luis Obispo
San Luis Range, Irish Hills. Road from See Canyon to Davis Peak. Davis Peak beneath powerline corridor
541
Comment
UC1285140
Senna multiglandulosa
R. F. Hoover
1964-1-19
8626
San Luis Obispo
San Luis Range, Lower Coon Creek Lower Coon Creek; San Luis Range, Lower Coon Creek
Comment
OBI75761
Setaria
David J. Keil
2011-7-4
31056
San Luis Obispo
San Luis Obispo. 1565 Descanso Drive (between Los Osos Valley Road and Del Rio Ave.
Comment
RSA648495
Sidalcea malviflora subsp. laciniata
Dunn
1972-4-15
s.n.
San Luis Obispo
Perfumo Canyon
61
Comment
UCD116815
Sidalcea malviflora subsp. laciniata
G. K. Helmkamp; E. A. Helmkamp
2001-4-29
6586
San Luis Obispo
San Luis Obispo County: Irish Hills, Clark Valley Road, 4.2 miles south of Los Osos Valley Road (East of Los Osos.)
274
Comment
UCR115799
Sidalcea malviflora subsp. laciniata
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5406
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR134392
Sidalcea malviflora subsp. laciniata
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6586
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UC1124979
Sidalcea malviflora subsp. malviflora
P. L. Johannsen
1936-3-22
724
San Luis Obispo
1 mi nw Cerro San Luis Obispo; San Luis Obispo Quad., Plot 8
Comment
CDA3467
Silene gallica
G. K. Helmkamp, E. A. Helmkamp
1998-5-2
3898
San Luis Obispo
Central Coast; Irish Hills, 3.1 mi SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
Comment
OBI72819
Silene gallica
Michael Walgren
2010-4-29
141
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Cyn Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn rd. in land portion of property on inland side of See Cyn rd
301
Comment
UCR115798
Silene gallica
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5407
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR122470
Silene gallica
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3898
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134435
Silene gallica
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6563
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
CAS-BOT-BC174947
Silene laciniata
Alice Eastwood; John Thomas Howell
1938-6-14
5926
San Luis Obispo
Prefumo Canyon
Comment
UCR118361
Silene laciniata
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4234
San Luis Obispo
Central Coast Ranges, Irish Hills, Prefumo Canyon, 2.1 mi SW of Los Osos Valley Rd.
198
Comment
UCR118363
Silene laciniata subsp. major
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4226
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
OBI15474
Silybum marianum
R. R. La Belle
1967-4-2
12
San Luis Obispo
Laguna Lake, San Luis Obispo. NE side of lake
Comment
OBI81300
Sisymbrium officinale
Kirsten Miller, Caroline Darsono Lay, Anna Norimoto
2015-4-23
3
San Luis Obispo
Irish Hills Trail; 500 meters on the straight trail on the left side.
Comment
RSA648506
Sisyrinchium bellum
Charles D. Dunn
1972-4-15
s.n.
San Luis Obispo
Perfumo Canyon
61
Comment
UCR122777
Sisyrinchium bellum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3886
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134397
Sisyrinchium bellum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6591
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UCR161325
Sisyrinchium bellum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9063
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
UCR61703
Smilacina stellata var. sessilifolia
George K. Helmkamp
1989-4-17
s.n.
San Luis Obispo
Irish Hills, at the crest of Prefumo Canyon Road
366
Comment
OBI79964
Solanum americanum
David J. Keil
2013-6-19
31821
San Luis Obispo
San Luis Obispo. 940 Del Rio Ave.
60
Comment
RSA647593
Solanum douglasii
C. Dunn
1972-4-15
s.n.
San Luis Obispo
Perfumo Canyon.
61
Comment
UCR161303
Solanum douglasii
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9102
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
CAS-BOT-BC156842
Solanum umbelliferum
E. Zimmerman
1966-4-8
15
San Luis Obispo
Perfumo Canyon
Comment
OBI9115
Solanum xanti
Ed Zimmerman
1966-4-8
15
San Luis Obispo
Perfumo Cyn
Comment
UCR103804
Solanum xanti
George K. Helmkamp
1997-3-8
1459
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
UCR88348
Solanum xanti
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95- 2 -
San Luis Obispo
Bear Creek Ranch, SE of Los Osos. 6 mi SE of Los Osos on Clark Valley Rd
396
Comment
OBI81476
Solidago velutina
Katie Warde, Marina Miller
2015-11-6
1
San Luis Obispo
Approx. 200 ft from Mariposa Trailhead directly next to a mulch pile on the right hand side of the trail, near a small clearing with other mulch piles. There is also a dried up creek bed in the area. Plants surrounded by Coyote Bush
Comment
UCR161320
Sonchus oleraceus
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9105
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
UCR161678
Sonchus oleraceus
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9064
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI75330
Sorghum bicolor
David J. Keil
2011-9-30
31119
San Luis Obispo
Prefumo Canyon Road, just east of Prefumo Creek bridge and San Luis Obispo Open Space trailhead parking lot
60
Comment
UC1576177
Spartium junceum
David Keil
1984-7-30
18319
San Luis Obispo
ca 0.25 mi from Los Osos Valley Road junction with Foothill Blvd. (along Foothill Blvd)
Comment
OBI31655
Spergula arvensis
Smeltzer, Turnquist
1982-7-28
210
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
UC1125829
Spergula arvensis subsp. arvensis
H. C. Lee
1936-3-14
499
San Luis Obispo
1 1/2 mi. n.e. Sycamore Springs; Arroyo Grande Quad.
Comment
OBI13485
Stachys ajugoides
R. R. LaBelle
1967-10-10
32
San Luis Obispo
Laguna Lake, San Luis Obispo. NE side of lake
Comment
OBI13486
Stachys ajugoides
Robert F. Hoover
1969-8-25
11558
San Luis Obispo
Laguna de San Luis Obispo
Comment
OBI78268
Stachys ajugoides
Robert F. Hoover
1950-5-15
7919
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
RSA216786
Stachys ajugoides
Robert F. Hoover
1969-8-25
11558
San Luis Obispo
Laguna de San Luis Obispo.
Comment
UC1284946
Stachys ajugoides var. ajugoides
R. F. Hoover
1950-5-15
7919
San Luis Obispo
near nw end Laguna; San Luis Obispo
Comment
UC1392958
Stachys ajugoides var. ajugoides
R. F. Hoover
1969-8-25
11558
San Luis Obispo
Laguna de San Luis Obispo San Luis Obispo
Comment
OBI72820
Stachys bullata
Michael Walgren
2010-4-29
142
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisitionknown as the 160 acre "Basseri" property at 4840 See Canyon Rd, approx 8 mi from Los Osos Valley Rd and 0.5 mi from jctn with Perfumo Cyn Rd. Inland portion of proeprty on inland side of See Cyn Rd
301
Comment
UCR115795
Stachys bullata
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5366
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR118356
Stachys bullata
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4223
San Luis Obispo
Central Coast, Irish Hills, SW of San Luis Obispo; Prefumo Cyn 2.2 mi SW of Los Osos Valley Rd.
137
Comment
UCR118360
Stachys bullata
George K. Helmkamp, E. A. Helmkamp
1998-6-30
4235
San Luis Obispo
Central Coast Ranges, Irish Hills, SW of San Luis Obispo, Prefumo Cyn., 3.2 mi SW of Los Osos Valley Rd.
198
Comment
UC2013169
Stachys pycnantha
David Keil
1979-7-1
13113
San Luis Obispo
San Luis Range, lower Prefumo Canyon.
Comment
UCR25011
Stachys pycnantha
George K. Helmkamp
1981-8-7
s.n.
San Luis Obispo
Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley
213
Comment
UCR88712
Stachys rigida
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 16
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
OBI48249
Stebbinsoseris heterocarpa
David J. Keil
1989-5-3
21212
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
OBI59659
Stebbinsoseris heterocarpa
David J. Keil, with Jill Bushakra
2001-6-14
29552
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UCR161300
Stellaria media
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9099
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
UCR161348
Stellaria media
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9106
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 4.4 mi N of San Luis Bay Drive
186
Comment
UCR161696
Stellaria nitens
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9054
San Luis Obispo
Coastal Hills, Prefumo Canyon, north side of Irish Hills; 2.2 mi west of Los Osos Valley Road
122
Comment
CAS-BOT-BC375156
Stephanomeria cichoriacea
G. K. Helmkamp; E. A. Helmkamp
2000-9-2
5967
San Luis Obispo
Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.
137
Comment
RSA666858
Stephanomeria cichoriacea
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5967
San Luis Obispo
Profumo Canyon, 2.2 mi W of Los Osos Valley Rd.
137
Comment
UCD136233
Stephanomeria cichoriacea
G. K. Helmkamp; E. A. Helmkamp
2000-9-2
5967
San Luis Obispo
San Luis Obispo County: Irish Hills: Profumo Canyon, 2.2 miles west of Los Osos Valley Road.
137
Comment
UCR118948
Stephanomeria cichoriacea
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5967
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UCR25008
Stephanomeria cichoriacea
George K. Helmkamp
1981-8-7
s.n.
San Luis Obispo
Central Coast, north end of See Canyon in the Irish Hills, near Los Osos Valley
213
Comment
CAS-BOT-BC375260
Stephanomeria elata
R. F. Hoover
1965-8-1
9501
San Luis Obispo
Valley west of Mt. Bishop
Comment
OBI15405
Stephanomeria elata
Robert F. Hoover
1965-8-1
9501
San Luis Obispo
Valley W of Mt. Bishop
Comment
CAS-BOT-BC375898
Stephanomeria virgata
R. F. Hoover
1965-8-1
9501
San Luis Obispo
Valley west of Mt. Bishop
Comment
UC1583864
Stipa caudata
Michael Curto
1990-4-11
631
San Luis Obispo
1359 Madonna Rd. at Pereira Dr. San Luis Obispo
70
Comment
OBI50118
Stipa clandestina
Michael Curto, Linda Allen
1990-4-11
631
San Luis Obispo
1359 Madonna Rd @ Pereira Dr. SW side of yard along Pereira Dr.
Comment
OBI81474
Stipa miliacea
Jose Vazquez, Megan Charney, Logan Williams , Rachel Katz
2015-10-31
1
San Luis Obispo
Plant collected two feet from Mariposa Trailhead
Comment
SD148273
Stipa miliacea
G. K. Helmkamp
2000-9-2
5963
San Luis Obispo
Irish Hills: Profumo Canyon, 2.2 mi W of Los Osos Valley Rd., roadsides
136
Comment
UC1063484
Streptanthus albidus subsp. peramoenus
P. L. Johannsen
1936-3-22
735
San Luis Obispo
1 3/4 mi sw San Luis Obispo (Plot 11); San Luis Obispo Quadrangle
106
Comment
UCR115579
Streptanthus albidus subsp. peramoenus
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5401
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR134400
Streptanthus albidus subsp. peramoenus
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6594
San Luis Obispo
Irish Hills, Prefumo Cyn Rd., 2.8 miles west of Los Osos Valley Rd., SW of San Luis Obispo
91
Comment
UC1119951
Symphoricarpos albus var. laevigatus
H. C. Lee
1936-4-2
542
San Luis Obispo
Head of Coon Creek; Port San Luis Quad.
304
Comment
UC1119931
Symphoricarpos mollis
H. C. Lee
1936-4-9
558
San Luis Obispo
1 mi ne Saddle Pk.; Port San Luis
426
Comment
UCR118184
Symphoricarpos mollis
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5980
San Luis Obispo
Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach)
91
Comment
UCR118336
Symphoricarpos mollis
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5974
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon, 2.2 mi west of Los Osos Valley Road
137
Comment
UC455795
Symphyotrichum subspicatum
E. P. Unangst
1907-7-1
San Luis Obispo
Perfumo Canyon, S. L. O. [San Luis Obispo]
Comment
UC1285038
Symphyotrichum subulatum
R. F. Hoover
1948-10-8
7556
San Luis Obispo
between Mt San Luis and Mt. Bishop Mt. San Luis
Comment
CAS-BOT-BC98359
Symphyotrichum subulatum var. parviflorum
R. F. Hoover
1948-10-8
7556
San Luis Obispo
Between Mt. San Luis and Mt. Bishop
Comment
CAS-BOT-BC98360
Symphyotrichum subulatum var. parviflorum
R. F. Hoover
1948-10-8
7556
San Luis Obispo
Between Mt. San Luis and Mt. Bishop
Comment
OBI16998
Symphyotrichum subulatum var. parviflorum
Robert F. Hoover
1948-10-8
7556
San Luis Obispo
Between Mt San Luis and Mt. Bishop
Comment
OBI79971
Tanacetum parthenium
David J. Keil
2013-7-6
31825
San Luis Obispo
San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3
100
Comment
UC2027238
Tanacetum parthenium
David J. Keil
2013-7-6
31825
San Luis Obispo
San Luis Range. Prefumo Canyon Road. Creek bottom just upstream of bridge 3.
Comment
UCR161461
Taraxacum officinale
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9110
San Luis Obispo
Central Coast Hills, Irish Hills; See Canyon, 5.7 mi N of San Luis Bay Drive
399
Comment
OBI83513
Tauschia hartwegii
Michael Walgren
2013-2-19
302
San Luis Obispo
San Luis Range near the peak of Davis Peak, Montana de Oro State park
493
Comment
CAS-BOT-BC399680
Thalictrum fendleri
Alice Eastwood; John Thomas Howell
1938-6-14
5925
San Luis Obispo
Prefumo Canyon
Comment
UC1126234
Thalictrum fendleri var. polycarpum
H. C. Lee
1936-3-23
589
San Luis Obispo
1 1/2 mi s Mine Hill; Arroyo Grande Quadrangle
Comment
UCR134432
Thalictrum fendleri var. polycarpum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6559
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
OBI79252
Thermopsis californica
David J. Keil
2012-5-27
31355
San Luis Obispo
San Luis Range. Irish Hills Open Space, San Luis Obispo. Froom Creek Trail
Comment
OBI44865
Thermopsis californica var. californica
David J. Keil
1979-7-1
13128
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd
Comment
UC569827
Thermopsis californica var. californica
P. L. Johannsen
1926-3-22
730
San Luis Obispo
3 mi sw San Luis Obispo; San Luis Obispo Quadrangle
76
Comment
UC2013217
Thermopsis macrophylla
David Keil
1979-7-1
13128
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UCR161291
Thysanocarpus curvipes
George K. Helmkamp, E. A. Helmkamp
2005-3-9
9090
San Luis Obispo
Outer Central Coast Hills, Irish Hills; See Canyon, 1.0 mi N of San Luis Bay Drive
43
Comment
CDA25260
Thysanocarpus laciniatus
G. D. Barbe, J. L. Johnson
1973-3-13
1135
San Luis Obispo
Bishop Canyon Road (See Canyon) north of Avila Beach.
0
Comment
SBBG96384
Torilis arvensis
C. F. Smith
1987-5-28
12109
San Luis Obispo
near summit of Prefumo Cyn along rd into Los Osos Valley
Comment
CAS-BOT-BC169225
Toxicodendron diversilobum
John Thomas Howell; Alice Eastwood
1938-6-14
5921
San Luis Obispo
Prefumo Canyon
Comment
UCD117575
Trientalis latifolia
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5384
San Luis Obispo
San Luis Obispo County: Central Coast Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR115779
Trientalis latifolia
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5384
San Luis Obispo
Central Coast, Prefumo Cyn., 1.2 mi south of Los Osos Valley Rd.
183
Comment
UCR42813
Trifolium
David J. Keil
1979-4-29
13055
San Luis Obispo
Upper Prefumo Canyon Road
Comment
UC1129969
Trifolium depauperatum var. amplectens
H. C. Lee
1936-3-14
498
San Luis Obispo
1.5 mi ne Sycamore springs; Arroyo Grande quad
76
Comment
UCR142585
Trifolium depauperatum var. truncatum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5422
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
OBI31785
Trifolium fragiferum
Smeltzer, Turnquist
1982-7-28
208
San Luis Obispo
Along the N foot trl in Laguna Lake Park
Comment
CDA4337
Trifolium hirtum
G. K. Helmkamp, E. A. Helmkamp
1998-5-2
3897
San Luis Obispo
Central Coast; Irish Hills, 3.1 mi SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
Comment
CDA4339
Trifolium hirtum
G. K. Helmkamp, E. A. Helmkamp
2000-4-2
5412
San Luis Obispo
Central Coast; road crest between See Canyon Road and Profumo Canyon Road, SW of San Luis Obispo
Comment
OBI48252
Trifolium hirtum
David J. Keil
1989-5-3
21208
San Luis Obispo
San Luis Obispo hillsides between Los Osos Valley rd and Prefumo Cyn rd accessed from end of Diablo Dr at site of proposed Irish Hills Golf course
Comment
UCR115582
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5412
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR118377
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
1998-7-1
4248
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 5.2 miles southwest of Los Osos Valley Road
244
Comment
UCR122471
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3897
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR134406
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6566
San Luis Obispo
South Coast Range, Irish Hills, Clark Valley Road, 2.8 miles south of Los Osos Valley Road, east of Los Osos
91
Comment
UCR161321
Trifolium hirtum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9082
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment
UCR122464
Trifolium incarnatum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4005
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
OBI75252
Trifolium subterraneum
David J. Keil
2011-5-12
31013
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
254
Comment
UCR141112
Trifolium subterraneum
George K. Helmkamp, E. A. Helmkamp
1998-5-20
4004
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
OBI59363
Trifolium variegatum
David J. Keil
2001-5-31
29531
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
OBI59661
Trifolium variegatum
David J. Keil, with Jill Bushakra
2001-6-14
29550
San Luis Obispo
Summit area between Prefumo Canyon and See Canyon, San Luis Range.
Comment
UCR134419
Trifolium willdenovii
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6579
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCR142158
Trifolium willdenovii
George K. Helmkamp, Elizabeth Helmkamp
2000-4-19
5369
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR142584
Trifolium willdenovii
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5419
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
SBBG46690
Triphysaria eriantha subsp. eriantha
L. W. Edge
1973-4-9
268
San Luis Obispo
near summit of Prefumo Cyn Rd
Comment
JEPS7432
Triphysaria versicolor subsp. faucibarbata
R. F. Hoover
1950-5-15
7920
San Luis Obispo
near nw end of Laguna San Luis Obispo; near nw end of Laguna
Comment
OBI9369
Triphysaria versicolor subsp. faucibarbata
Robert F. Hoover
1950-5-15
7920
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
OBI79444
Trisetum canescens
David J. Keil
2013-5-12
31735
San Luis Obispo
Irish Hills Open Space. Upper portion of Bog Thistle Trail
135
Comment
OBI79314
Turritis glabra
David J. Keil
2013-5-15
31737
San Luis Obispo
San Luis Range. Prefumo Canyon Road
95
Comment
OBI83458
Umbellularia californica
Hannah Hobelman, Carlie Lentz, Abby Melton, Kaitlan de Grosz, Malia Pletcher
2017-1-25
4
San Luis Obispo
Cerro San Luis along Sterling Trail about 1/4 might from Sterling Lane trailhead
135
Comment
OBI81303
Uropappus lindleyi
Zoe Dascalos, Lindsey Ellenburg, Jake Williams, Alexis Martin, Maerill Ceballos
2015-4-24
7
San Luis Obispo
Johnson Ranch Open Space.
Comment
OBI37359
Urtica dioica subsp. holosericea
Eric Wise
1981-6-15
560
San Luis Obispo
N shore of Laguna Lake, SLO
Comment
OBI72821
Vaccinium ovatum
Michael Walgren
2010-4-29
144
San Luis Obispo
Irish Hills, Montana de Oro State Park. New property acquisition known as the 160 acre "Basseri" property at 4840 See Canyon rd, approx 8 mi from Los Osos Valley rd and 0.5 mi from jctn with Perfumo Cyn rd. Inland portion of property on inland side of See
301
Comment
UCD125983
Verbena lasiostachys var. scabrida
G. K. Helmkamp; E. A. Helmkamp
2000-9-2
5964
San Luis Obispo
San Luis Obispo County: Iris Hills: See Canyon (south portion), ca. 1.8 miles north of San Luis Bay Drive (north of Avila Beach).
91
Comment
UCR119348
Verbena lasiostachys var. scabrida
George K. Helmkamp, E. A. Helmkamp
2000-9-2
5977
San Luis Obispo
Irish Hills, See Canyon (S portion), c. 1.8 mi north of San Luis Bay Drive (N of Avila Beach)
91
Comment
UCR97409
Verbena lasiostachys var. scabrida
George K. Helmkamp
1997-3-8
1448
San Luis Obispo
Central Coast 7.5' Q., SE of Los Osos. Swift Ranch, starting c. 2 mi. south of Los Osos Valley Rd on Clark Valley Rd.
107
Comment
JEPS35336
Veronica anagallis-aquatica
R. F. Hoover
1964-6-11
9021
San Luis Obispo
nw end of Laguna (San Luis Obispo); , Laguna
Comment
OBI9205
Veronica anagallis-aquatica
Robert F. Hoover
1964-5-14
8879
San Luis Obispo
Near NW end of Laguna, San Luis Obispo
Comment
UC1576181
Veronica anagallis-aquatica
Eric Wise
1981-6-15
570
San Luis Obispo
n shore of Laguna Lake Laguna Lake
Comment
UCR122737
Veronica persica
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3887
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
OBI75244
Vicia americana var. americana
David J. Keil
2011-5-12
31021
San Luis Obispo
San Luis Range. Irish Hills. Madonna - Twisselmann Ranch, accessed from Prefumo Canyon Road.
333
Comment
OBI25948
Vicia benghalensis
Lorraine Vinlan
1981-10-3
20
San Luis Obispo
E shore of Laguna Lake
Comment
OBI58088
Vicia faba
David J. Keil
1998-5-6
27132
San Luis Obispo
Outskirts of San Luis Obispo. S of west end of Madonna Rd. and W of Los Osos Valley Rd.
Comment
CDA34861
Vicia hirsuta
David J. Keil
2010-5-16
30766 -1
San Luis Obispo
San Luis Obispo; 940 Del Rio Ave.
Comment
OBI73376
Vicia hirsuta
David J. Keil
2010-5-16
30766 -1
San Luis Obispo
San Luis Obispo. 940 Del Rio Ave.
60
Comment
SBBG132497
Vicia hirsuta
D. Keil
2010-5-16
30766 -1
San Luis Obispo
940 Del Rio Ave
60
Comment
UC1969504
Vicia hirsuta
David Keil
2010-5-16
30766 -1
San Luis Obispo
San Luis Obispo. 940 Del Rio Ave.
Comment
UCR115794
Vicia sativa
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5367
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR134393
Vicia sativa subsp. sativa
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6587
San Luis Obispo
Irish Hills, Clark Valley Rd., 4.2 miles south of Los Osos Valley Rd, E of Los Osos
274
Comment
UCR88711
Vicia sativa subsp. sativa
George K. Helmkamp, E. A. Helmkamp
1995-6-20
95-2- 27
San Luis Obispo
Central Coast, Bear Creek Ranch, 6 miles SE of Los Osos on Clark Valley Road
400
Comment
UCR122476
Vicia villosa subsp. varia
George K. Helmkamp, E. A. Helmkamp
1998-5-20
3892
San Luis Obispo
Central Coast, Irish Hills, 3.1 miles SE of Los Osos Valley Rd on Clark Valley Rd., SE of Los Osos
351
Comment
UCR32439
Vicia villosa subsp. varia
Smeltzer, Turnquist
1982-4-21
55
San Luis Obispo
Laguna Lake Park, rear parking area along NE lake edge.
Comment
UCR115789
Vicia villosa subsp. villosa
George K. Helmkamp, E. A. Helmkamp
2000-4-19
5373
San Luis Obispo
Central Coast, Irish Hills, See Canyon at Pippin Lane, about 1.5 mi north of San Luis Bay Dr.
76
Comment
UCR134388
Vicia villosa subsp. villosa
George K. Helmkamp, E. A. Helmkamp
2001-4-29
6581
San Luis Obispo
Irish Hills, Clark Valley Rd., 3.8 mi south of Los Osos Valley Rd., east of Los Osos
213
Comment
UCD111166
Viola purpurea subsp. quercetorum
G. K. Helmkamp; E. A. Helmkamp
2000-4-20
5409
San Luis Obispo
San Luis Obispo County: Central Coast: Road crest between See Cyn. Rd. and Prefumo Cyn. Rd. (SW of San Luis Obispo).
320
Comment
UCR115585
Viola purpurea subsp. quercetorum
George K. Helmkamp, E. A. Helmkamp
2000-4-20
5409
San Luis Obispo
Central Coast, road crest between See Canyon Road and Prefumo Canyon Road, SW of San Luis Obispo
320
Comment
UCR161698
Viola purpurea subsp. quercetorum
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9065
San Luis Obispo
Central Coast Range, Irish Hills, Prefumo Canyon Road, 4.6 mi west of Los Osos Valley Road
316
Comment
OBI31610
Xanthium spinosum
Smeltzer, Turnquist
1982-7-28
203
San Luis Obispo
Along the N foot trl in Laguna Lake park
Comment
OBI44866
Zeltnera davyi
David J. Keil
1979-7-1
13127
San Luis Obispo
Ridge between Prefumo and See Cyns. About 5 mi from jctn of los Osos Valley Rd and Prefumo Cyn Rd
Comment
UC2013202
Zeltnera davyi
David Keil
1979-7-1
13127
San Luis Obispo
Ridge between Prefumo and See Canyons. About 5 miles from junction of Los Osos Valley Road and Prefumo Canyon Road.
Comment
UC1600846
Zigadenus fremontii
H. C. Lee
1936-3-23
525
San Luis Obispo
Mine Hill San Luis Obispo National Forest, Arroyo Grande Quad.
320
Comment
UCR161340
Zigadenus fremontii
George K. Helmkamp, E. A. Helmkamp
2005-3-8
9084
San Luis Obispo
Central Coast Hills., Irish Hills; crest of Prefumo Canyon Road, 5.2 mi west of Los Osos Valley Road
409
Comment