Search Results — 65 specimen records retrieved (32 records with coordinates)
Results for search: County=VENTURA; Source=All; Collector=Roos;   

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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC242573  Eriogonum crocatum J. C. Roos 1958-5-22 s.n. Ventura Conejo Grade summit on N. base of Santa Monica Mtns. Comment
  CLARK-A1528-1238  Pedicularis densiflora John C. Roos 1957-3-15 6609 Ventura Newbury Park Comment
  CLARK-A1528-2623  Dudleya multicaulis John C. Roos 1958-5-22 Ventura Santa Monica Mountains Comment
  CLARK-A1528-3186  Calochortus catalinae John C. Roos 1956-4-8 6573 Ventura Santa Monica Mountains Comment
  CLARK-A1528-3294  Camissonia boothii subsp. decorticans John C. Roos 1937-6-30 2394 Ventura Comment
  CLARK-A1528-3396  Oxalis californica John C. Roos 1958-3-8 Ventura Conejo Comment
  CLARK-A1528-3704  Eriogonum roseum John C. Roos 1937-8-11 2569 Ventura Frazier Park Comment
  CLARK-A1528-3769  Polygonum amphibium var. emersum John C. Roos, Lucille Roos 1954-10-9 6253 Ventura Lake Sherwood 300 Comment
  CLARK-A1528-4163  Antirrhinum kelloggii John C. Roos 1956-4-8 6574 Ventura Potrero Valley Comment
  CLARK-A1528-4166  Antirrhinum nuttallianum John C. Roos 1956-4-8 6575 Ventura Potrero Valley Comment
  CLARK-A1528-4538  Bromus grandis John C. Roos 1937-7-5 1774 Ventura Sespe Creek Comment
  CLARK-A1528-4597  Echinochloa crus-galli John C. Roos 1937-6-7 1427 Ventura Fillmore Comment
  CLARK-A1528-4775  Oryzopsis miliacea John C. Roos 1937-6-30 439 Ventura Ventura Comment
  CLARK-A1528-5091  Fritillaria biflora John C. Roos 1957-3-15 6606 Ventura Newbury Park Comment
  CLARK-A1528-5093  Zigadenus fremontii John C. Roos 1957-3-16 6607 Ventura Newbury Park Comment
  RSA449974  Eriogonum crocatum J. C. Roos 1958-5-22 s.n. Ventura Conejo grade summit on N. base of Santa Monica Mtns. Comment
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Jan 16 2016
  RSA659186  Eriogonum crocatum J. C. Roos 1958-5-22 s.n. Ventura Conejo grade summit on N. base of Santa Monica Mtns. Comment
  SEINET6336297  Eriogonum crocatum J. C. Roos 1958-5-22 s.n. Ventura Conejo grade summit on N. base of Santa Monica Mountains Comment
  UCD99841  Eriogonum crocatum J. C. Roos 1958-5-22 s.n. Ventura Conejo grade summit on N. base of Santa Monica Mountains. Comment
  UCR18577  Senecio aphanactis John C. Roos 1957-3-15 6608 Ventura Hills near Newberry Park and Conejo grade 395 Comment
  UCR20526  Polygonum amphibium var. emersum John C. Roos, L. Roos 1954-10-9 6253 Ventura Lake Sherwood 300 Comment
  UCR23253  Dudleya blochmaniae subsp. blochmaniae John C. Roos 1958-5-22 s.n. Ventura Western Transverse Range; Santa Monica Mtns., Conejo Grade, north base of the Santa Monica Mtns. Comment
  UCR23471  Oxalis californica John C. Roos 1958-3-8 s.n. Ventura Western Transverse Range; Santa Monica Mtns., on Conejo Grade 244 Comment
  UCR23582  Amsinckia menziesii John C. Roos 1956-4-8 6576 Ventura Western Transverse Range, Potrero Valley; north slope of Boney Mountain Comment
  UCR24159  Calochortus catalinae John C. Roos 1956-4-8 6573 Ventura Western Transverse Range, Potrero Valley; north slope of Boney Mountain Comment
  UCR24315  Eriogonum crocatum John C. Roos 1958-5-22 s.n. Ventura Western Transverse Range; Santa Monica Mtns., Conejo Grade, north base of the Santa Monica Mtns. Comment
  UCR24487  Antirrhinum kelloggii John C. Roos 1956-4-8 6574 Ventura Potrero Valley. N slope of 'Bony Mtn.' 842 Comment
  UCR24488  Antirrhinum nuttallianum subsp. subsessile John C. Roos 1956-4-8 6575 Ventura Potrero Valley. N slope of 'Bony Mtn.' 840 Comment
  UCR25389  Melica imperfecta John C. Roos 1937-7-5 449 Ventura Wheeler Springs along Sespe Creek, north of Ojai 488 Comment
  UCR25978  Lobelia dunnii var. serrata John C. Roos 1937-7-5 1422 Ventura Wheeler Springs along Sespe Creek, north of Ojai 488 Comment
  UCR26325  Parapholis incurva John C. Roos 1937-6-29 1482 Ventura S.E. of Oxnard Comment
  UCSB42255  Eriogonum crocatum Roos, John 1958-5-22 Ventura Conejo Grade summit on N. base of Santa Monica Mtns. Comment
  CAS-BOT-BC132310  Calochortus catalinae J. C. Roos 1956-4-8 6573 Ventura North slope of Bony Mtn., Potrero Valley Comment
  CAS-BOT-BC413494  Persicaria amphibia John Roos; Lucille Roos 1954-10-9 6253 Ventura Lake Sherwood 300 Comment
  CLARK-A1528-1651  Bidens frondosa John C. Roos, Lucille Roos 1954-10-9 6254 Ventura Lake Sherwood 300 Comment
  CLARK-A1528-1692  Centaurea repens John C. Roos 1937-6-30 2474 Ventura Oxnard Comment
  CLARK-A1528-1789  Corethrogyne filaginifolia John C. Roos 1957-8-17 Ventura Comment
  CLARK-A1528-2160  Senecio aphanactis John C. Roos 1957-3-15 6608 Ventura Comment
  CLARK-A1528-2200  Amsinckia menziesii John C. Roos 1956-4-8 6576 Ventura Protrero Valley Comment
  CLARK-A1528-2859  Medicago polymorpha John C. Roos 1937-7-6 1429 Ventura Santa Paula Comment
  CLARK-A1528-2875  Psoralea physodes John C. Roos 1937-7-5 1423 Ventura Sespe Creek Comment
  CLARK-A1528-2934  Garrya elliptica John C. Roos 1937-7-5 1425 Ventura Wheeler Springs Comment
  CLARK-A1528-3621  Eriogonum cinereum John C. Roos 1957-8-17 Ventura Comment
  CLARK-A1528-4916  Picris echioides John C. Roos 1937-7-6 1778 Ventura Ojai Comment
  POM263191  Piptatherum miliaceum J. C. Roos 1937-6-30 439 Ventura Ventura Comment
  POM263250  Melica imperfecta J. C. Roos 1937-7-5 449 Ventura Wheeler Springs. Comment
  POM266270  Verbesina encelioides subsp. exauriculata J. C. Roos 1937-6-29 2485 Ventura Oxnard Comment
  POM266272  Parapholis incurva J. C. Roos 1937-6-29 1482 Ventura Southeast of Oxnard Comment
  POM266379  Centaurea repens J. C. Roos 1937-6-30 2474 Ventura Oxnard. Comment
  POM266380  Picris echioides J. C. Roos 1937-7-6 1778 Ventura Ojai. Comment
  POM301606  Lobelia dunnii var. serrata J. C. Roos 1937-7-5 1422 Ventura Wheeler Springs. Comment
  POM301693  Echinochloa crus-galli J. C. Roos 1937-7-6 1427 Ventura Fillmore. Comment
  POM301696  Pennisetum villosum J. C. Roos 1937-6-30 2257 Ventura Oxnard near dwelling Comment
  POM301699  Phalaris minor J. C. Roos 1937-6-29 1484 Ventura Southeast of Oxnard Comment
  POM301702  Achnatherum hymenoides J. C. Roos 1942-7-6 1426 Ventura Fillmore Comment
  RSA0059342  Orobanche vallicola John C. Roos 1937-7-5 1781 Ventura Upper Sespe Creek. Comment
  RSA0089942  Amsinckia menziesii J. C. Roos 1956-4-8 6576 Ventura Protrero Valley. Comment
  RSA0119626  Eriastrum densifolium subsp. austromontanum J. C. Roos 1937-7-5 s.n. Ventura Upper Sespe Creek. Comment
  RSA301543  Garrya elliptica John Roos 1937-7-5 1425 Ventura Wheelers Springs. Comment
  RSA431200  Corethrogyne filaginifolia L. Roos 1957-8-17 s.n. Ventura 1/2 mile N of Newberry Park. Comment
  RSA450070  Antirrhinum kelloggii J. C. Roos, A. C. Sanders 1956-4-8 6574 Ventura North slope of ''Bony Mountain'' [Boney Mountain]. Potrero Valley Comment
  RSA450178  Calochortus catalinae J. C. Roos 1956-4-8 6573 Ventura North slope of ''Bony Mountain'' [Boney Mountain]. Potrero Valley Comment
  RSA658422  Calochortus catalinae J. C. Roos 1956-4-8 6573 Ventura North slope of ''Bony Mountain'' [Boney Mountain]. Potrero Valley Comment
  UC1043006  Polygonum amphibium var. emersum John and Lucille Roos 1954-10-9 6253 Ventura Lake Sherwood 300 Comment
  UCSB41539  Antirrhinum kelloggii Roos, John 1956-4-8 Ventura North slope of the Bony Mtns; Potrero Valley Comment



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