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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
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CAS-BOT-BC167113
Mammillaria tetrancistra
Sarah J. DeGroot; Angela Gatto
2003-4-20
2474
San Bernardino
Field redacted by CAS, contact the data manager for more information
720
Comment
CAS-BOT-BC56808
Mammillaria tetrancistra
Dr. Barton W. Evermann
1916-5-13
s.n.
Riverside
Field redacted by CAS, contact the data manager for more information
Comment
CAS-BOT-BC56810
Mammillaria tetrancistra
S. B. Parish; W. F. Parish
1882-4-1
162
San Diego
Field redacted by CAS, contact the data manager for more information
Comment
CAS-BOT-BC56811
Mammillaria tetrancistra
S. B. Parish; W. F. Parish
1882-4-1
162
San Diego
Field redacted by CAS, contact the data manager for more information
Comment
CHSC8313
Mammillaria tetrancistra
Edward L. Smith
1957-4-3
228
Riverside
At entrance to White Water Canyon, San Bernardino Mts.
579
Comment
GMDRC5930
Mammillaria tetrancistra
J. M. Andre
2013-4-1
24897
San Bernardino
Old Woman Mountains: along dirt road to Carbonate Gulch, 2.5 mi. west of mouth of canyon (Gulch), approx. 3 mi. east of Ship Mountains
555
Comment
JEPS122560
Mammillaria tetrancistra
J. Andre with T. La Doux, H. Bartosh, R. Preston
2010-3-20
12175
San Bernardino
Turtle Mountains; N end of Turtle Mountains just west of Los Arch Mine Area, and just NE of Mohawk Spring, approx. 11 miles west of Highway 95. Mohawk Spring 7.5' Q.
Comment
JEPS123808
Mammillaria tetrancistra
T. La Doux with J. Andre, H. Bartosh, R. Preston, JEPS Herbarium Workshop
2010-3-18
442
San Bernardino
Sacramento Mountains; at base of eastern end of Sacramento Mountains, on eastern flanks of Flattop Mountain, approx. 4 miles S of I-40 at Highway 95 Junction, approx. 7.5' Quad: Flattop Mountain.
Comment
JEPS66860
Mammillaria tetrancistra
W. L. Jepson
1920-4-28
8848 a
San Diego
Collins Valley, Indian Canyon
Comment
JEPS66861
Mammillaria tetrancistra
W. L. Jepson
1928-4-21
12502
San Diego
near Sentenac Canyon (Wagon Wash, w Colorado Desert); Colorado Desert, Wagon Wash
396
Comment Read comments Feb 10 2013
JEPS66862
Mammillaria tetrancistra
W. L. Jepson
1912-10-29
5244
Riverside
Riverside Mts.
91
Comment
JOTR32303
Mammillaria tetrancistra
La Doux, Tasha, M. Harding, T. Herskovits, M. Wheeler, B. Truesdell
2011-5-17
2440
San Bernardino
Joshua Tree National Park. Queen Mountains, western edge of Wonderland of Rocks, near Boy Scout Trail, southeast of Keys Peak; top of long northeast flowing canyon heading down to Indian Cove (Stop 5)
1202
Comment
JOTR34027
Mammillaria tetrancistra
La Doux, Tasha, M. Harding
2010-4-7
2914
Riverside
Joshua Tree National Park. Southeast Little San Bernardino Mountains, north of Fan Hill; large, open southwest flowing fan below Key's View; in upper reaches of side canyon, approx. 1 mile north of park boundary
Comment
JOTR34289
Mammillaria tetrancistra
Harding, Mitzi, Brittany Robbins
2012-7-11
19
San Bernardino
Joshua Tree National Park. Little San Bernardino Mountains; western foothills of Queen Mountain, near north entrance
1011
Comment
POM12778
Mammillaria tetrancistra
Wm. M. Pierce
1922-5-15
s.n.
San Bernardino
Mojave Desert; Box S Ranch.
Comment
POM13095
Mammillaria tetrancistra
P. A. Munz
1921-12-31
5012
Riverside
Andreas Canyon, Palm Springs.
Comment
POM13096
Mammillaria tetrancistra
P. A. Munz, D. D. Keck
1922-4-9
5016
Riverside
Vicinity of Corn Springs, Chuckwalla Mtns. Colorado Desert.
518
Comment
POM183662
Mammillaria tetrancistra
P. A. Munz
1931-3-14
12855
Imperial
5 miles north of Laguna Dam.
Comment Read comments Nov 17 2009
POM285575
Mammillaria tetrancistra
Lyman Benson
1949-4-11
13593
San Bernardino
Mojave Desert; Hills 5 miles west of Yermo.
732
Comment
POM286348
Mammillaria tetrancistra
Lyman Benson
1945-11-11
11942
San Diego
Palm Springs.
152
Comment
RSA0035557
Mammillaria tetrancistra
Deidre Conocchioli, Duncan S. Bell
2014-3-17
249
San Bernardino
Off south end of Hidden Springs Road, south of I-40 and Barstow-Daggett Airport exit, north/northwest foot of Newberry Mountains between Daggett and Newberry Springs.
758
Comment
RSA0044705
Mammillaria tetrancistra
Leland Lubinsky, LeRoy Gross, Victor Steinmann
2005-2-17
s.n.
Riverside
Chuckwalla Mountains: Along wash above Corn Springs Campground., Between N33deg 37' 15'', W115deg 19' 39'' and N33deg 36' 52, W115deg 19' 54.
503
Comment
RSA0088764
Mammillaria tetrancistra
Jim M. Andre
2015-3-29
31560
San Bernardino
Lanfair Valley; Mojave National Preserve; Bobcat Hills, along dirt road 1.4 mi. east of Ivanpah-Lanfair Rd, just north of Von Trigger Hills, and NE of Hackberry Mtn.
1149
Comment
RSA0107797
Mammillaria tetrancistra
Duncan S. Bell, Amanda Turek
2009-3-30
174
Riverside
Southeast section of the Arica Mountains; approximately 1.25 air miles southwest of Priest Well.
349
Comment
RSA0118313
Mammillaria tetrancistra
Sarah J. J. De Groot, Erin O'Connell, Robbie Wood II
2016-4-28
7867
Inyo
Eagle Mountain: rocky drainage on northeast tip. South-southeast of Death Valley Junction, east of Highway 127 and powerline. Amargosa River drainage.
648
Comment
RSA0126634
Mammillaria tetrancistra
Duncan S. Bell
2016-3-4
8803
Riverside
Orocopia Mountains; northwestern corner of range; collecting in the Orocopia Mountains Wilderness area in an unnamed canyon approximately 3.75 air miles northwest of the summit of the range.
738
Comment
RSA125207
Mammillaria tetrancistra
E. K. Balls, Percy C. Everett
1957-8-20
22672
Riverside
14.7 mi. SW and W along State Hwy. 74 from Palm Village (jct. with State Hwy 111)
1127
Comment
RSA541823
Mammillaria tetrancistra
H. G. Rush
1948-4-16
s.n.
Riverside
2 miles north of Whitewater, east of Hwy 66.
Comment Read comments Jan 14 2010
RSA676318
Mammillaria tetrancistra
J. Mark Porter, Lauren E. Machen
2003-4-6
S.N.
San Bernardino
Granite Mountains, just north of the San Bernardino Mountains, east of Apple Valley, and west of Leucerne Dry Lake. On the north side of CA Highway 18.
Comment
RSA706083
Mammillaria tetrancistra
Sarah J. De Groot, Angela Gatto
2003-4-20
2474
San Bernardino
Whipple Mountains: Bluff northwest of Monument Peak, south side of Copper Basin. Saddle near summit.
720
Comment
RSA706235
Mammillaria tetrancistra
Sarah J. De Groot
2003-5-4
2825
San Bernardino
WHIPPLE MOUNTAINS: Saddle at north end of Savahia Peak.
782
Comment
RSA707179
Mammillaria tetrancistra
Sarah J. De Groot, Krina De Groot, Leland Lubinsky, Linda Lee Worlow
2004-3-18
3822
San Bernardino
WHIPPLE MOUNTAINS: Trail to Cupcake Butte, NW of Whipple Wash. Between powerline road and first bluff.
466
Comment
RSA708342
Mammillaria tetrancistra
Sarah J. De Groot, J. Mark Porter
2003-3-1
1135
San Bernardino
Whipple Mountains: Across Parker Dam Road from Bass Point.
Comment
RSA708343
Mammillaria tetrancistra
Sarah J. De Groot, J. Mark Porter
2003-3-2
1344
San Bernardino
Whipple Mountains: Side wash heading NW off Whipple Wash, SW of powerline road. Near
290
Comment
RSA708344
Mammillaria tetrancistra
Sarah J. De Groot, J. Mark Porter
2003-3-18
1727
San Bernardino
Whipple Mountains: Along old Needles-Parker road between highway 62 and Colorado River aqueduct.Whipple Mountains: Along Highway 95 between Vidal Junction and Vidal.
244
Comment
RSA709920
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky, Naomi Fraga, Lisa Rojas
2005-2-10
4636
Riverside
Along Palen Pass Road, near Packard Well, S end of Granite Mountains.
502
Comment
RSA710400
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky
2005-2-26
4689
San Bernardino
Turtle Mountains: Saddle above Mopah Spring drainage.
747
Comment
RSA713280
Mammillaria tetrancistra
Sarah J. De Groot, Firoozeh Navidara
2003-12-12
3479
San Bernardino
Whipple Mountains: Copper Basin: S/SW side of reservoir. MWD property.
305
Comment
RSA713498
Mammillaria tetrancistra
Sarah J. De Groot, Krina De Groot, Leland Lubinsky, Linda Lee Worlow
2004-3-15
3619
San Bernardino
WHIPPLE MOUNTAINS: BLM Wilderness area, ridge near highest peak, above wash north of road from aqueduct into south side of range.
1104
Comment
RSA713499
Mammillaria tetrancistra
Sarah J. De Groot
2004-4-11
4114
San Bernardino
WHIPPLE MOUNTAINS: Along wash NW of divide, from road into BLM Wilderness area from Copper Basin/Bowman's wash. Whipple Wash drainage.
540
Comment
RSA714766
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky, Linda Lee Worlow
2004-10-2
4403
San Bernardino
Whipple Mountains: Copper Canyon, upstream from powerline road. Near intersection with first major tributary.
284
Comment
RSA714768
Mammillaria tetrancistra
Sarah J. De Groot, Linda Lee Worlow
2004-10-4
4423
San Bernardino
Whipple Mountains: Foothills at S end of basin in NW part of range.
602
Comment
RSA714769
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky, Linda Lee Worlow
2004-10-2
4402
San Bernardino
Whipple Mountains: Copper Canyon, NE side of range, just upstream from intersection with powerline road.
281
Comment
RSA715042
Mammillaria tetrancistra
Sarah J. De Groot
2004-3-29
3945
San Bernardino
Whipple Mountains: Copper Basin reservoir, ~NE side of lake. MWD property.
302
Comment
RSA715396
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky
2004-5-18
4360
San Bernardino
Whipple Mountains: Between War Eagle mine and summit ridge. Hills just north of summit.
765
Comment
RSA715399
Mammillaria tetrancistra
Sarah J. De Groot, J. Mark Porter
2003-10-10
3300
San Bernardino
Whipple Mountains: Summit of Cupcake Butte, north of Whipple Wash.
873
Comment
RSA715406
Mammillaria tetrancistra
Sarah J. De Groot
2004-4-26
4194
San Bernardino
Whipple Mountains: Hills E of D&W Mine.
579
Comment
RSA715408
Mammillaria tetrancistra
Sarah J. De Groot
2004-3-30
4044
San Bernardino
Whipple Mountains: Along old Needles-Parker road, north of intersection with Heritage Trail.
341
Comment
RSA716298
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky
2004-10-16
4488
San Bernardino
Whipple Mountains: Ridge between middle and north forks of Whipple Wash, saddle just S of north fork.
1021
Comment
RSA716301
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky
2004-10-17
4531
San Bernardino
WHIPPLE MOUNTAINS: North fork of Whipple Wash, a few miles E of summit.
915
Comment
RSA717913
Mammillaria tetrancistra
J. Mark Porter
2001-4-21
12582 -b
San Bernardino
Whipple Mountains: Near Colorado River, Copper Basin Dunes region, old mines along [Parker Dam road], W of Big Bend Resort.
Comment
RSA718908
Mammillaria tetrancistra
Sarah J. De Groot, Tasha La Doux
2003-5-20
2951
San Bernardino
WHIPPLE MOUNTAINS: Wash south of War Eagle mine, toward summit ridge.
456
Comment
RSA721472
Mammillaria tetrancistra
Sarah J. De Groot, Tim Thibault, Valentin Arvizu, Steve Boyd, Aydee Virgen, Tammy Morgan
2004-5-14
4349
Imperial
Chocolate Mountains: Gasline road.
434
Comment
RSA721478
Mammillaria tetrancistra
Sarah J. De Groot, Tim Thibault, Valentin Arvizu, LeRoy Gross, Lisa Rojas
2004-5-13
4321
Imperial
Chocolate Mountains: Along Beal road near Surveyor's Pass.
645
Comment
RSA7218
Mammillaria tetrancistra
B. D. Stark
1932-6-15
3738
Riverside
Base of Eagle Mountains above Utopia, Colorado Desert.
229
Comment
RSA776279
Mammillaria tetrancistra
Thomas Stoughton, Stephanie Rockwood, Sarah De Groot, J. D. England, Christi Gabriel
2011-4-30
1127
San Bernardino
Oasis of Mara, Joshua Tree National Park, Twentynine Palms.
609
Comment
RSA776898
Mammillaria tetrancistra
Thomas Stoughton, Stephanie Rockwood, Christi Gabriel
2011-5-3
1134
San Bernardino
Southeastern tip of Sheep Hole Mountains, just west of Hwy 62 and Joshua Tree National Park
609
Comment
RSA779241
Mammillaria tetrancistra
Sarah J. De Groot, Leland Lubinsky, Sean Regalado, Jon Ancona
2011-3-19
6625
San Bernardino
Chemehuevi Mountains: Wash below Studio Spring, at junction with Cave Wash.
382
Comment
RSA83306
Mammillaria tetrancistra
Marcus E. Jones
1884-5-5
s.n.
San Bernardino
The Needles.
Comment
SBBG69410
Mammillaria tetrancistra
R. Hoffmann
1931-6-13
San Bernardino
Fortynine Palms Cyn, Twentynine Palms
Comment
SD113518
Mammillaria tetrancistra
Darley F. Howe
1952-6-1
2224
San Diego
South of Table Mountain, east of Jacumba. (IPB 9/07)
Comment
SD139152
Mammillaria tetrancistra
Jon P. Rebman, Maggie Loy
1996-10-27
3744
Imperial
Just east of Ogilby Road (S34), on Highway 78 (Ben Hulse Highway), between Palo Verde and Brawley. (IPB 10/07)
249
Comment
SD141947
Mammillaria tetrancistra
Jon P. Rebman, Melanie Howe
1997-4-5
3929
Imperial
Jacumba Natural Area, east of Jacumba and southeast of Inkopah, Smuggler's Cave area. (IPB 9/07)
900
Comment
SD155403
Mammillaria tetrancistra
Jon P. Rebman, J. Gregory & J. Rocks
2004-5-4
10052
San Diego
Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the western end of the reserve
950
Comment
SD173007
Mammillaria tetrancistra
Larry Hendrickson
2006-5-20
1455 A
San Diego
Anza-Borrego Desert State Park, Vallecito Valley, in area that was formerly the Vallecito Ranch. 1.69 km south of County Hwy S-2 on broad alluvial bench on the west side of the Sawtooth Mtns.
449
Comment
SD188357
Mammillaria tetrancistra
Bill Sullivan
2008-8-24
546
San Diego
Anza-Borrego Desert State Park, S of San Felipe and N of Shelter Valley, I(c) mi N of state route 78 (Mile Marker 17), base of a hill 30 yards N of San Felipe Road (county road S-2/ Scissors Crossing)
705
Comment
SD191503
Mammillaria tetrancistra
Larry Hendrickson, Jon Rebman, et al.
2005-4-16
3220
Imperial
Picacho State Recreation Area. Bear Canyon, ca. 1.5 miles SW of Colorado River.
266
Comment
SD191504
Mammillaria tetrancistra
Bill Sullivan
2008-12-30
560
San Diego
Anza-Borrego Desert State Park, Cactus Garden, south side of Harper Canyon Wash, 3 mi east of Highway 78 and Old Kane Spring Road, 3.85 mi NE of Sunset Mountain, 0.6 mi south of old Kane Spring Road
231
Comment
SD191505
Mammillaria tetrancistra
Bill Sullivan
2008-11-30
555
San Diego
Anza-Borrego Desert State Park, Coachwhip Canyon, 13 miles west of Salton City, 16 miles east of Borrego Springs, 1.0 mile north of County Road S22 in a narrow canyon (no road)
406
Comment
SD193157
Mammillaria tetrancistra
Jon P. Rebman, M. Simpson, L. Simpson, & M. Mulligan
2009-4-10
16838
San Diego
Anza-Borrego Desert State Park: southwest of Highway S-2 and south of Dos Cabezas; near the San Diego/Imperial County line in a canyon in the Hayden Spring area
615
Comment
SD194660
Mammillaria tetrancistra
Jon P. Rebman, Mike Simpson and Mike Mayer
2009-5-13
17655
San Diego
Anza Borrego Desert State Park: vicinity of Whale Peak; south of Pinyon Mountain Valley Road; northwest side of the highest point of Whale Peak
1515
Comment
SD199963
Mammillaria tetrancistra
Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck
2009-3-9
16146
Imperial
Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 20 (SL20), Palm Wash, Site BRATOU in sandy arroyo bottom and surrounding rocky mud embankments
45
Comment
SD201154
Mammillaria tetrancistra
Bill Sullivan
2009-3-11
613
San Diego
Anza-Borrego Desert State Park, Cactus Garden, 0.9 mi. east of Highway 78 intersection with Old Kane Spring Road
277
Comment
SD201155
Mammillaria tetrancistra
Jon Rebman, G. Fleming, W. Schmidtmann, & G. Erbeck
2009-3-9
16099
Imperial
Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, approx. 2.7 mile W of Hwy. 86; Section 22 (SL22), Palm Wash, Site PHOCAL in sandy arroyo bottom and surrounding mud embankments
-9
Comment
SD201156
Mammillaria tetrancistra
Jon Rebman, G. Fleming, V. Marshall, & A. Winner
2009-3-25
16736
Imperial
Freeman Properties (Truckhaven): West of the Salton Sea, NW of Salton City, W of Hwy. 86; Section 7 (SP7), north fork of Big Wash, Site SPHAMB in large arroyo and surrounding hillsides
136
Comment
SD201157
Mammillaria tetrancistra
Bill Sullivan
2009-4-24
689
San Diego
Anza-Borrego Desert State Park, Grapevine Canyon Road, 3.9 mi. nw of Highway 78
737
Comment
SD210893
Mammillaria tetrancistra
Larry Hendrickson, Bonnie Bruce
2010-5-13
4799 B
San Diego
Anza-Borrego Desert State Park. Lower Borrego Valley, north of Vallecito Mountains. 1.8 miles ESE of intersection of State hwy. 78 and Old Kane Springs Road, ~ 50 feet N of Old Kane Springs Road.
245
Comment
SD237813
Mammillaria tetrancistra
Bill Sullivan
2009-7-7
750
San Diego
Jacumba, N side of I-8, 2.32 mi northwest of In-Ko-Pah Park Road and Old Highway 80, 1.5 miles N of Interstate 8 near west rim of Table Mountain mesa
1170
Comment
SD262038
Mammillaria tetrancistra
Jon Rebman, SDNHM Botany volunteers
2017-3-17
32480
San Diego
Anza-Borrego Desert State Park: west of Sweeny Pass Rd. (S2) between Canebrake and Ocotillo; along Mortero Canyon Road in a small granitic canyon just off of the main arroyo
390
Comment
SD32579
Mammillaria tetrancistra
Charles F. Harbison, Ethel Bailey Higgins
1944-4-13
44 155
San Diego
Table Mountain. (IPB 9/07)
Comment
SD44481
Mammillaria tetrancistra
Charles F. Harbison
1951-6-20
San Diego
About 2 miles west of Imperial County line, Mountain Spring Grade. (IPB 9/07)
Comment
SD45875
Mammillaria tetrancistra
George Lindsay
Mar 1954
San Diego
Carrizo Desert, 6.4 miles east of Agua Caliente on road to Ocotillo, growing on sandy flats.
Comment
SEINET10389888
Mammillaria tetrancistra
A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes
2016-3-15
42191
Imperial
Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0-0.4 km east of old Niland-Blythe Rd.
442
Comment
SEINET2448919
Mammillaria tetrancistra
D. P. Faulkner
1978-4-29
547
San Bernardino
Turtle Mtns.; Horn Springs area, 13 mi NW of Vidal Junction.; 0
762
Comment
SEINET3271744
Mammillaria tetrancistra
Marc A. Baker, Rich Crawford and Mercy Vaughn
2010-4-10
17024
San Bernardino
Sleeping Beauty 7.5' USGS topographic quadrangle Zone; Cady Mountains, 60 km east of Barstow, 15 km west of Broadwell Lake.
805
Comment
SEINET3820201
Mammillaria tetrancistra
Bill Sullivan
2009-3-11
613
San Diego
Anza-Borrego State Park, Cactus Garden, 0.9 mi. east of Highway 78 intersection with Old Kane Spring Road.
278
Comment
SEINET6808072
Mammillaria tetrancistra
Jon P. Rebman, Melanie Howe
1997-4-5
3929
Imperial
Sonoran (Colorado) Desert; Jacumba Natural Area, Smuggler's Cave area, east of Jacumba and southeast of In-ko-pah Gorge
900
Comment
SEINET9194086
Mammillaria tetrancistra
Marc A. Baker, Michelle Cloud-Hughes
2013-12-17
17856
San Bernardino
60 km ESE of Barstow, 7 km NNE of the summit of Sunshine Peak, 2.5 km north of Lavic Lake
638
Comment
SJSU3659
Mammillaria tetrancistra
C. W. Sharsmith
1963-4-8
6951
Inyo
near Grapevine Springs, W slope Grapsvine Mts, Death Valley drainage
816
Comment
UC1713780
Mammillaria tetrancistra
P. A. Munz and D. Keck
1922-4-13
5016
Riverside
Chuckawalla Mts. Colo. Desert
Comment Read comments Aug 28 2016
UC1981745
Mammillaria tetrancistra
C. Braun with S. Finch & F. Wang
2011-3-19
030
Inyo
Half mile above road end (Chris Wicht camp) in Surprise Canyon, west slope of Panamint Mountains, 32.8 miles southeast of Panamint Springs.
Comment
UC403441
Mammillaria tetrancistra
L. J. Childs
1925-1-5
Riverside
Deep Creek Canyon Colorado Desert, Santa Rosa Mt. (mouth)
Comment
UC403445
Mammillaria tetrancistra
P. A. Munz, D. D. Keck
1921-12-31
5012
Riverside
Andreas Canyon Palm Springs
Comment
UC625543
Mammillaria tetrancistra
Annie M. Alexander
1939-5-11
San Bernardino
e range Whipple Mountains
Comment
UCR156142
Mammillaria tetrancistra
Jon P. Rebman, J. Gregory & J. Rocks
2004-5-4
10052
San Diego
Walker Canyon Ecological Reserve: between Boulevard and Jacumba on the north side of Interstate 8, along arroyo bottom near the western end of the reserve
951
Comment
UCR210867
Mammillaria tetrancistra
A. C. Sanders, Fred M. Roberts, Katy Beck, Eve Laeger, et al
2009-3-26
36627
San Bernardino
Mojave Desert, Cady Mountains, along powerline road NW of Sleeping Beauty Mtn., c. 3 mile section of road NE of summit of pass from Pisgah area
793
Comment
UCR213430
Mammillaria tetrancistra
A. C. Sanders, Mark Bibbo, Erin Bergman, Lance Woolley
2010-3-16
37436
Riverside
Sonoran (Colorado) Desert, SE side of McCoy Mountains, lower part of wash c. 2.5-3 mi. NW of Blythe Airport, above Black Creek Rd.
171
Comment
UCR254118
Mammillaria tetrancistra
Jim Andre
2012-8-30
23273
San Bernardino
NE Colorado Desert, Sacramento Mountains, southeast end of range, along dirt road 4.2 mi south of Hwy I-40 at the junction with Hwy 95, c. 10 mi west of Needles
562
Comment
UCR264191
Mammillaria tetrancistra
A. C. Sanders, Jim Malusa
2015-9-9
41833
Imperial
Sonoran (Colorado) Desert, near Chocolate Mountains Aerial Gunnery Range, side canyon off Gables Wash c. 0.8 mi. above Hwy 78
341
Comment
UCR265861
Mammillaria tetrancistra
Mitch Provance
2008-3-15
10116
Imperial
Chocolate Mountains Region, E side of Hwy 78, about 7 miles NNE of intersection with Ogilby Rd., 2 miles N of Buzzards Peak, c. 2.5 miles NNE of the border checkpoint
335
Comment
UCR269745
Mammillaria tetrancistra
A. C. Sanders, Jim Malusa, Marc A. Baker, Michelle Cloud-Hughes
2016-3-15
42191
Imperial
Sonoran (Colorado) Desert, Chocolate Mountains, c. 0.8 km NE of Beal Well and c. 0-0.4 km east of old Niland-Blythe Rd.
442
Comment
UCR32326
Mammillaria tetrancistra
Faulkner
1978-3-19
312
San Bernardino
Sonoran (Colorado) Desert, hillsides 10 miles [SE] of junction 95 [on Havasu Lake Road], 25 miles south of Needles
488
Comment
UCR32327
Mammillaria tetrancistra
Faulkner
1978-4-29
547
San Bernardino
Southern Mojave / Sonoran (Colorado) Desert, Turtle Mountains, Horn Springs area, 13 miles NW of Vidal Junction [NW of Horn Spring]
762
Comment
UCR64136
Mammillaria tetrancistra
Ed LaRue
1990-8-27
s.n.
San Bernardino
Mojave Desert, Broadwell Dry Lake, 8 mi north of Ludlow
430
Comment
UCR67340
Mammillaria tetrancistra
Ed LaRue
1991-4-25
91- 40
Imperial
Sonoran (Colorado) Desert, 6 mi north of Cargo Muchacho Mtns, 7-8 mi north of Hedges. In and adjacent to Indian Wash
244
Comment
UCR86255
Mammillaria tetrancistra
A. C. Sanders, P. J. MacKay, et al
1995-4-2
16331
San Bernardino
Mojave Desert, Stoddard Valley, Stoddard Wells Road, 12.3 mi. NE of Hwy I-15 (near Bell Mountain), E slope of Stoddard Mtn.
1113
Comment
UCR86471
Mammillaria tetrancistra
B. G. Pitzer, S. Bliss, C. Sylber
1991-5-19
1595
San Bernardino
Mojave Desert, 29 Palms Marine Corps Base: 'Emerson Lake' Artillery Range, W side of Hidalgo Mtn, c. 4.5 air km east of S end of Emerson Dry Lake. At foot of Hidalgo Mtn.
915
Comment
UCR88294
Mammillaria tetrancistra
A. C. Sanders, K. C. Rose
1995-4-5
16378
Riverside
San Bernardino Mtns./Sonoran (Colorado) Desert, Coachella Valley; south of Mission Creek and west of Hwy 62
701
Comment
UCSB18118
Mammillaria tetrancistra
Day, Fran
1964-4-11
San Bernardino
1 miles east of Mitchell's Caverns State Park
1219
Comment
UCSB57037
Mammillaria tetrancistra
Inman, D.
1985-3-25
San Bernardino
NE 1/4 of NW 1/4 of Section 18 of T14N, R16E; N.Y. Mtns.
1240
Comment
VVC2106
Mammillaria tetrancistra
Tim Thomas
2012-8-23
5873
Riverside
Colorado Desert, WNW of Blythe on east side of McCoy Mtns, 5 miles north of I-10
168
Comment
CAS-BOT-BC167144
Mammillaria tetrancistra
Sarah J. De Groot
2003-5-4
2825
San Bernardino
Field redacted by CAS, contact the data manager for more information
782
Comment
CAS-BOT-BC167145
Mammillaria tetrancistra
Sarah J. De Groot; Leland Lubinsky
2004-10-17
4531
San Bernardino
Field redacted by CAS, contact the data manager for more information
915
Comment
CAS-BOT-BC172805
Mammillaria tetrancistra
Sarah J. De Groot; J. M. Porter
2003-3-18
1727
San Bernardino
Field redacted by CAS, contact the data manager for more information
244
Comment
CAS-BOT-BC227853
Mammillaria tetrancistra
Sarah J. De Groot; Leland Lubinsky; Linda Lee Worlow
2004-10-2
4402
San Bernardino
Field redacted by CAS, contact the data manager for more information
281
Comment
CAS-BOT-BC269259
Mammillaria tetrancistra
Sarah J. De Groot; J. Mark Porter; Naomi Fraga; Lauren Machen
2003-5-3
2696
San Bernardino
Field redacted by CAS, contact the data manager for more information
298
Comment
CAS-BOT-BC269261
Mammillaria tetrancistra
Sarah J. De Groot; J. Mark Porter
2003-10-10
3300
San Bernardino
Field redacted by CAS, contact the data manager for more information
873
Comment
CAS-BOT-BC269263
Mammillaria tetrancistra
Sarah J. De Groot
2004-3-29
3945
San Bernardino
Field redacted by CAS, contact the data manager for more information
302
Comment
CAS-BOT-BC269271
Mammillaria tetrancistra
Sarah J. De Groot; Leland Lubinsky
2004-5-18
4360
San Bernardino
Field redacted by CAS, contact the data manager for more information
765
Comment
CAS-BOT-BC56211
Mammillaria tetrancistra
Ira L. Wiggins
1937-2-18
8569
Imperial
Field redacted by CAS, contact the data manager for more information
Comment
CAS-BOT-BC56805
Mammillaria tetrancistra
Sarah J. De Groot; J. Mark Porter
2003-10-10
3333 b
San Bernardino
Field redacted by CAS, contact the data manager for more information
649
Comment
CAS-BOT-BC56806
Mammillaria tetrancistra
Geo. Lindsay
1954-3-1
s.n.
San Diego
Field redacted by CAS, contact the data manager for more information
Comment
CAS-BOT-BC56809
Mammillaria tetrancistra
Ira L. Wiggins
1937-2-18
8569
Imperial
Field redacted by CAS, contact the data manager for more information
Comment
POM220079
Mammillaria tetrancistra
F. R. Fosberg
1932-1
51525
Unknown
[No location data on label]
Comment
RSA0006230
Mammillaria tetrancistra
Lyman Benson
1957-4-3
15716
Riverside
1/2 mile above the mouth of Whitewater Canyon. San Bernardino Mountains; Salton Sea Drainage
579
Comment
SEINET10447298
Mammillaria tetrancistra
A. Evans
1976-4-13
Evans 5174
Riverside
Rocky slopes of santa rosa mtns.
Comment
SEINET11924833
Mammillaria tetrancistra
S. B. Parish, Parish, W. F.
1881-1
162
Riverside
Whitewater
Comment
SEINET1906382
Mammillaria tetrancistra
Sarah J. De Groot, J. Mark Porter, Naomi Fraga, Lauren Machen
2003-1
San Bernardino
Comment
SEINET2448918
Mammillaria tetrancistra
Kaye Thorne, B. Ratcliff
1983-4-3
2239 a
Inyo
Death Valley; Emigrant Ranger Stations.; 0
610
Comment
UC1138041
Mammillaria tetrancistra
P. C. Hutchison
Unknown
Comment