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Specimen ID
Determination *
Collector
Collection Date
Collection Number
County
Locality
Elevation in meters
Feedback
RSA160430
Rafinesquia californica
J. D. Olmsted
1959-4-23
471
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA160467
Salvia leucophylla
J. D. Olmsted
1959-4-23
465
Orange
Hidden Ranch in Black Star Canyon; 5 miles E of Irvine Lake. Santa Ana Mountains. Drainage area to Irvine Reservoir.
579
Comment
RSA160508
Osmorhiza brachypoda
J. D. Olmsted
1959-4-23
464
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA162004
Calochortus weedii var. weedii
J. D. Olmsted
1958-6-10
156
Orange
6.5 miles SW of Corona on Oak Flat fire road (turn S in Corona from US onto Lincoln)
Comment
RSA162689
Ribes indecorum
J. D. Olmsted
1960-1-9
1093
Orange
Hidden Ranch at Old Indian Campground, Santa Ana Mts. Black Star Creek.
640
Comment
RSA162696
Lithophragma affine subsp. mixtum
J. D. Olmsted
1959-4-23
461
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA162706
Cardamine californica var. integrifolia
J. D. Olmsted
1959-4-23
469
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA162740
Descurainia californica
J. D. Olmsted
1959-4-23
472
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA162770
Epilobium canum subsp. canum
J. D. Olmsted
1959-8-26
830
Orange
100 yards northeast of center of Hidden Ranch by pump along Black Star Canyon Road. N end of Santa Ana Mountains
671
Comment
RSA162808
Calochortus catalinae
J. D. Olmsted
1959-4-23
475
Orange
Hidden Ranch in Black Star Canyon, 5 miles east of Irvine Reservoir.
640
Comment
RSA162813
Ribes speciosum
J. D. Olmsted
1958-3-4
20
Orange
Small pond with westward drainage into Irvine lake, 250yards. West of Oak Flat fire road intersection, which is 9 miles southeast of Corona in Santa Ana Mts.
793
Comment
RSA783221
Oenothera micrantha
J. D. Olmsted
1959-5-1
516
Orange
3/4 miles west of Oat Flat along old road from Main Divide Motorway into Sierra Canyon
777
Comment
RSA783257
Clarkia
J. D. Olmsted
1959-4-23
455
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA783268
Pellaea andromedifolia
J. D. Olmsted
1959-4-23
466
Orange
Spring Trail at Beacon Pines Ranch; 9 miles SW of Corona.
762
Comment
RSA783437
Pulicaria paludosa
J. D. Olmsted
1959-9-22
991
Orange
Near Sycamore Park along Santa Ana River by junction of industrial waters from the 3 M clay works to the south; 8-9 miles W of Corona; base of north Santa Ana Mts.
137
Comment
RSA783494
Lithophragma
J. D. Olmsted
1959-4-23
456
Orange
Spring Trail, Beacon Pines Ranch; 9 miles SW of Corona. Drainage area to Santa Ana River.
762
Comment
RSA783567
Isocoma
J. D. Olmsted
1959-5-1
519
Orange
500 yards west of Oat Flat past Johnson's dam; 9 mi. SW of Corona.
793
Comment
RSA783824
Eriophyllum confertiflorum var. confertiflorum
J. D. Olmsted
1959-5-1
531
Orange
Santa Ana Mt. Range: Drainage to Santa Ana River . 100 yards NW of Rattlesnake Rock. 0.5 mi N of Hidden Ranch in Black Star Canyon. 4-5 mi Irvine Lake Reservoir to the west.
732
Comment
RSA784176
Camissonia cheiranthifolia subsp. suffruticosa
J. D. Olmsted
1959-7-26
770
Orange
Drainage area to Pacific Ocean. S. San Joaquin Hills. Old Moulton Ranch immediately behind about 80-90 S. La Senda St. in Three Arch Bay S of S. Laguna.
30
Comment
RSA784195
Paspalum distichum
J. D. Olmsted
1959-9-22
980
Orange
North of Santa Ana Mtns. Drainage area to Pacific Ocean: Along Santa Ana River just north of Sycamore Park and near intersection of stream from 3M clay works to the south.
137
Comment
RSA787217
Eriogonum fasciculatum
J. D. Olmsted
1959-8-26
833
Orange
Drainage area to Santiago Reservoir. East of Santiago Reservoir. Mouth of Black Star Canyon.
366
Comment
RSA0010308
Lasthenia gracilis
J. D. Olmsted
1959-4-23
467
Orange
Hidden Ranch in Black Star Canyon, 5 miles east of Irvine Lake. Drainage area to Irvine Res[ervoir]; Mt. Range: Santa Ana Mountains.
640
Comment
RSA0018459
Collinsia heterophylla
J. D. Olmsted
1959-5-1
532
Orange
100 yrds NW of Rattlesnake Rock. 0.75 mi N of Hidden Ranch in Black Star Canyon. 4-5 mi E of Irvine Lake Reservoir. Drainage area to Santa Ana River.
732
Comment
RSA0021661
Ribes indecorum
J. D. Olmsted
1960-2-22
1103
Orange
Drainage area to Black Star Canyon. Near CP at Beacon Pines Ranch.
854
Comment
RSA0105319
Lomatium lucidum
J. D. Olmsted
1959-5-1
518
Orange
500 yards west of Oat Flat past Johnson s dam; 9 mi. SW of Corona. Santa Ana Mountains. Drainage area: to Irvine Res.
792
Comment
RSA160418
Pluchea odorata
J. D. Olmsted
1959-9-22
981
Orange
Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona, betw Santa Ana Mts and Puente Hills to Pacific Ocean
137
Comment
RSA160419
Lessingia glandulifera var. glandulifera
J. D. Olmsted
1959-9-22
984
Orange
Along industrial waste waters bank from 3 miles clay works just N of Hwy 8-9 miles WSW of Corona, N of Santa Ana Mts. to Santa Ana River
140
Comment
RSA160425
Drymocallis glandulosa var. wrangelliana
J. D. Olmsted
1959-4-30
509
Orange
North of Hidden Ranch in Black Star Canyon; 100 yards NW of Rattlesnake Rock, 5 miles east of Irvine Lake
732
Comment
RSA160456
Collinsia heterophylla
John Olmsted
1958-6-10
163
Orange
1 mile past Oak Flat (SW) on Black Star canyon Rd. (turn S from US on Lincon in Crona).
762
Comment
RSA160501
Bidens laevis
J. D. Olmsted
1959-9-22
982
Orange
Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona, betw Santa Ana Mts and Puente Hills to Pacific Ocean
137
Comment
RSA160503
Xanthium spinosum
J. D. Olmsted
1959-8-26
834
Orange
Along road south of mouth of Black Star Canyon north of Rock Crushing Plant.
305
Comment
RSA160549
Castilleja affinis
J. D. Olmsted
1959-4-30
513
Orange
North of Hidden Ranch in Black Star Can. ; 100 yards NW of Rattlesnake Rock; 5 mi. east of Irvine Lake.
716
Comment
RSA160554
Trichostema lanceolatum
J. D. Olmsted
1959-8-26
828
Orange
Along road south of mouth of Black Star Canyon north of Rock Crushing plant
305
Comment
RSA160583
Castilleja foliolosa
J. D. Olmsted
1959-5-1
521
Orange
N of Hidden Ranch in Black Star Canyon and 100 yards NW of Rattlesnake Rock, 5 miles E of Irvine Res, Snta Ana Mtns to Irvine Lake.
747
Comment
RSA160584
Castilleja applegatei subsp. martinii
J. D. Olmsted
1959-5-1
520
Orange
N of Hidden Ranch in Black Star Canyon and 100 yards NW of Rattlesnake Rock, 5 miles E of Irvine Res, Snta Ana Mtns to Irvine Lake.
747
Comment
RSA162749
Thalictrum polycarpum
J. D. Olmsted
1959-4-17
398
Orange
Rattlesnake Rock north of Hidden Ranch along Black Star Canyon Road: 0.5 mile WSW of Beacon Pines Ranch.
747
Comment
RSA162751
Paeonia californica
J. D. Olmsted
1958-3-4
19
Orange
Small pond with westward drainage into Irvine lake, 250yards. West of Oak Flat fire road intersection, which is 9 miles southeast of Corona in Santa Ana Mts.
793
Comment
RSA162776
Ludwigia peploides subsp. peploides
J. D. Olmsted
1959-9-22
985
Orange
Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona, betw Santa Ana Mts and Puente Hills to Pacific Ocean
137
Comment
RSA162797
Arundo donax
John Olmsted
1959-9-22
978
Orange
Santa Ana River by Sycamore Park about 8-9 miles WSW of corona off of main highway to Santa Ana Mountais. Pacific Ocean Drainage Area.
134
Comment
RSA170439
Eremocarpus setiger
J. D. Olmsted
1959-8-26
831
Orange
100 yards northeast of center of Hidden Ranch by pump along Black Star Canyon Road. N end of Santa Ana Mountains
671
Comment
RSA783045
Lepidospartum
J. D. Olmsted
1959-8-25
840
Orange
Mouth of Black Star Canyon east of Santiago Reservoir
320
Comment
RSA783248
Salsola
J. D. Olmsted
1959-9-22
983
Orange
Along industrial waste waters bank from 3 miles clay works just N of Hwy 8-9 miles WSW of Corona, N of Santa Ana Mts. to Santa Ana River
140
Comment
RSA783366
Ambrosia acanthicarpa
J. D. Olmsted
1959-9-22
979
Orange
Along Santa Ana River N of Sycamore Park along Hwy. 8-9mile WSW of Corona north of Hwy.
134
Comment
RSA783375
Linanthus
J. D. Olmsted
1959-4-17
399
Orange
Rattlesnake Rock north of Hidden Ranch along Black Star Canyon Road: 0.5 mile WSW of Beacon Pines Ranch.
747
Comment
RSA783652
Ambrosia psilostachya
J. D. Olmsted
1959-8-26
835
Orange
Along road south of mouth of Black Star Canyon north of Rock Crushing Plant; Drainage area: to Santiago Reservoir.
305
Comment
RSA783663
Eriogonum virgatum
J. D. Olmsted
1959-8-26
832
Orange
Black Star Creek: Near Hidden Ranch along Black Star Canyon Road in Black Star Canyon in roadside cliffs.
671
Comment
RSA784180
Artemisia vulgaris
J. D. Olmsted
1959-8-26
836
Orange
Drainage area to Santiago Reservoir. Mouth of Black Star Canyon east of Santiago Reservoir.
320
Comment
RSA784185
Artemisia dracunculus
J. D. Olmsted
1959-8-26
837
Orange
Along road south of mouth of Black Star Canyon north of Rock Crushing plant
305
Comment
RSA784269
Helianthus gracilentus
J. D. Olmsted
1959-8-26
838
Orange
Along road from mouth of Black Star Canyon by Rock Crushing Plant.; Mt. range: Santa Ana Mts (N end); drainage area: to Santiago Res[ervoir].
305
Comment