Search Results — 1234 specimen records retrieved (1007 records with coordinates)
Results for search: County=SISKIYOU; Source=All; Collector=Howell;   

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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-BC102767  Populus tremuloides John Thomas Howell 1939-8-9 15209 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC102815  Salix boothii John Thomas Howell 1939-8-7 15132 A Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC102816  Salix boothii John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC102953  Populus trichocarpa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53413 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC103367  Salix bonplandiana Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  CAS-BOT-BC103463  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC103534  Salix commutata John Thomas Howell 1939-8-7 15125 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103535  Salix commutata John Thomas Howell 1939-8-7 15131 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC103536  Salix commutata John Thomas Howell 1939-8-7 15132 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC103544  Salix commutata John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104348  Quercus sadleriana John Thomas Howell; Gordon H. True 1972-6-8 48854 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC104349  Quercus sadleriana John Thomas Howell 1939-8-2 14881 Siskiyou Sprit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC104628  Quercus vacciniifolia John Thomas Howell 1937-6-26 13522 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC104629  Quercus vacciniifolia John Thomas Howell 1939-8-2 14880 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC109792  Rhodiola integrifolia subsp. integrifolia John Thomas Howell 1936-8-10 15274 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC110723  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou Along road just east of Montague. Comment
  CAS-BOT-BC110801  Juncus mertensianus John Thomas Howell 1939-8-8 15154 Siskiyou Black Mountain. Marble Mountains. Comment
  CAS-BOT-BC110802  Juncus mertensianus John Thomas Howell 1937-7-22 13271 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC112321  Eriophorum crinigerum John Thomas Howell 1937-6-24 13411 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC115169  Carex vesicaria John Thomas Howell 1939-8-9 15191 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC115278  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC115834  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC115835  Carex subfusca John Thomas Howell 1937-7-29 13626 Siskiyou Scott Mt. between Trinity and Siskiyou Cos. Comment
  CAS-BOT-BC115836  Carex subfusca John Thomas Howell 1937-7-23 13338 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC116163  Delphinium nuttallianum John Thomas Howell 1937-7-22 13301 Siskiyou South Fork of Salmon River near Big Flat, 1524 Comment
  CAS-BOT-BC116164  Delphinium nuttallianum John Thomas Howell 1937-7-24 13404 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117013  Carex straminiformis John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117015  Carex straminiformis John Thomas Howell 1951-6-28 27705 Siskiyou Eureka Peak 2255 Comment
  CAS-BOT-BC117247  Carex spectabilis John Thomas Howell 1937-7-24 13434 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117248  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117249  Carex spectabilis John Thomas Howell 1937-7-25 13475 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117250  Carex spectabilis John Thomas Howell 1937-7-25 13479 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117251  Carex spectabilis John Thomas Howell 1937-7-25 13480 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117252  Carex spectabilis John Thomas Howell 1937-7-25 13478 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117253  Carex spectabilis John Thomas Howell 1937-7-25 13481 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC117254  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117255  Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC117257  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC117258  Carex spectabilis John Thomas Howell 1939-8-9 15232 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC117906  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC117907  Carex scabriuscula John Thomas Howell 1937-7-29 13673 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC118216  Carex rossii John Thomas Howell; Gordon H. True 1972-6-8 48857 Siskiyou S of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC118574  Carex praegracilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53380 Siskiyou 2.5 mi S of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC118770  Carex preslii John Thomas Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118771  Carex preslii John Thomas Howell 1937-7-25 13482 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118772  Carex preslii John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118773  Carex preslii John Thomas Howell 1937-7-25 13477 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118774  Carex preslii John Thomas Howell 1937-7-25 13485 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118775  Carex preslii John Thomas Howell 1937-7-26 13532 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC118776  Carex preslii John Thomas Howell 1937-7-29 13674 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC118777  Carex preslii John Thomas Howell 1939-8-2 14907 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC118778  Carex preslii John Thomas Howell 1939-8-7 15116 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  CAS-BOT-BC118779  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC118780  Carex preslii John Thomas Howell 1939-8-8 15157 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC118781  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC118931  Carex pellita John Thomas Howell 1937-7-23 13333 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC118932  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou Swamp, 2 mi W of Montague. Comment
  CAS-BOT-BC119207  Carex pachystachya John Thomas Howell 1937-7-24 13433 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC119291  Carex occidentalis John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC119478  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 1005 Comment
  CAS-BOT-BC119644  Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC119682  Carex nervina John Thomas Howell 1937-7-26 13558 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC119683  Carex nervina John Thomas Howell 1939-8-7 15119 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC123565  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. South of Sky High Valley 1981 Comment
  CAS-BOT-BC123566  Hazardia whitneyi var. discoidea John Thomas Howell 1939-8-9 15236 Siskiyou Marble Mts. Shackleford Creek Trail south of Sky High Valley 1828 Comment
  CAS-BOT-BC125460  Salix lasiandra var. lasiandra John Thomas Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC126148  Salix scouleriana John Thomas Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC126170  Salix scouleriana John Thomas Howell 1939-8-6 15102 A Siskiyou Elk Peak, Marble Mts., Siskiyou Mts. Comment
  CAS-BOT-BC126171  Salix scouleriana John Thomas Howell 1939-8-5 15081 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC126854  Ceanothus cuneatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53421 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  CAS-BOT-BC126997  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC126998  Agrostis exarata John Thomas Howell 1939-8-10 15250 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC127616  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC127858  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC127861  Brickellia grandiflora John Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim. Marble Mts. Comment
  CAS-BOT-BC128308  Salix lasiolepis var. lasiolepis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53414 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC128970  Salix sitchensis John Thomas Howell 1939-8-5 15079 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC128971  Salix sitchensis John Thomas Howell 1937-7-25 13465 Siskiyou Caribout Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC13186  Agoseris monticola John Thomas Howell 1939-8-8 15187 Siskiyou Marble Mountains, Black Mountain Comment
  CAS-BOT-BC132145  Allium siskiyouense Thomas Howell 1884-6-17 s.n. Siskiyou Siskiyou Mountains Comment
  CAS-BOT-BC132625  Calochortus uniflorus John Thomas Howell 1937-7-23 13366 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC133468  Trillium ovatum John Thomas Howell 1939-8-3 15020 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC13470  Agoseris retrorsa J. T. Howell 1939-8-9 15248 Siskiyou Shackleford Creek Trail, Marble Mountains Comment
  CAS-BOT-BC136884  Amelanchier utahensis John Thomas Howell; Gordon H. True 1972-6-8 48855 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC136899  Amelanchier utahensis John Thomas Howell 1939-8-6 15098 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC136900  Amelanchier utahensis John Thomas Howell 1939-8-2 14919 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC13815  Boechera howellii John Thomas Howell 1937-7-25 13444 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC138477  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC138480  Agrostis variabilis John Thomas Howell 1937-7-24 13419 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC138481  Agrostis variabilis John Thomas Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC138927  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC138928  Agrostis pallens John Thomas Howell 1939-8-9 15210 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC138929  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC138935  Agrostis pallens John Thomas Howell 1939-8-9 15213 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC140202  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC140203  Luetkea pectinata John Thomas Howell 1937-7-24 13397 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC140204  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC140604  Physocarpus capitatus John Thomas Howell 1937-7-22 13287 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC141588  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC141589  Chamaebatiaria millefolium John Thomas Howell 1934-7-4 12399 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC141829  Dasiphora fruticosa John Thomas Howell 1939-8-8 15172 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC142033  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC14273  Boechera pinetorum John Thomas Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC14274  Boechera pinetorum John Thomas Howell 1937-7-21 13153 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC143181  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC143183  Potentilla breweri John Thomas Howell 1937-7-25 13468 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC143255  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC143261  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC143263  Potentilla flabellifolia John Thomas Howell 1939-8-9 15230 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC143590  Geum triflorum John Thomas Howell 1939-8-8 15176 Siskiyou Black Mts., Marble Mts. Comment
  CAS-BOT-BC143966  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53442 Siskiyou 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC146742  Rosa gymnocarpa John Thomas Howell 1939-8-4 15036 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC147076  Rosa pisocarpa John Thomas Howell 1937-7-23 13354 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC14709  Boechera repanda John Thomas Howell 1937-7-23 13374 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC147308  Rubus parviflorus John Thomas Howell 1937-7-21 13190 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC147313  Rubus parviflorus John Thomas Howell 1939-8-2 14937 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC148514  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou Ridge ne. of Callahan on road to Gazelle Comment
  CAS-BOT-BC148516  Cercocarpus ledifolius var. ledifolius John Thomas Howell 1937-7-25 13467 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC148791  Bromus carinatus var. marginatus John Thomas Howell 1937-7-21 13156 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC148796  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14930 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC148798  Bromus carinatus var. marginatus John Thomas Howell 1939-8-2 14932 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC149691  Spiraea douglasii John Thomas Howell 1937-7-22 13275 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC150133  Holodiscus microphyllus var. glabrescens John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC151237  Prunus virginiana var. demissa John Thomas Howell 1934-7-4 12407 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC151238  Prunus virginiana var. demissa John Thomas Howell 1939-8-4 15051 Siskiyou Marble River, Marble Mts. 1889 Comment
  CAS-BOT-BC151239  Prunus virginiana var. demissa John Thomas Howell 1937-7-21 13164 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC152382  Holodiscus discolor var. discolor John Thomas Howell 1939-8-2 14884 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC152383  Holodiscus discolor var. discolor John Thomas Howell 1937-7-29 13654 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC152384  Holodiscus discolor var. discolor John Thomas Howell 1939-8-6 15106 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC152558  Spiraea splendens John Thomas Howell 1937-7-25 13441 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC152559  Spiraea splendens John Thomas Howell 1937-7-29 13671 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC153452  Diplacus layneae John Thomas Howell 1934-7-4 12398 Siskiyou unspecified Comment
  CAS-BOT-BC153728  Diplacus nanus John Thomas Howell 1937-7-21 13174 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC153729  Diplacus nanus John Thomas Howell 1937-7-22 13299 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC153730  Diplacus nanus John Thomas Howell 1939-8-3 14997 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC155220  Bromus hordeaceus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53574 Siskiyou Yreka. 822 Comment
  CAS-BOT-BC155960  Bromus commutatus John Thomas Howell 1952-6-14 28350 Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC157048  Solanum umbelliferum J. T. Howell 1939-8-9 15234 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC157322  Sorbus californica John Thomas Howell 1939-8-3 14979 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC15789  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. Comment
  CAS-BOT-BC15790  Boechera acutina John Thomas Howell 1937-7-24 13418 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC15791  Boechera acutina John Thomas Howell 1937-7-23 13373 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC15792  Boechera acutina John Thomas Howell 1939-8-2 14945 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC15793  Boechera acutina John Thomas Howell 1939-8-9 15193 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC15798  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC15799  Boechera acutina John Thomas Howell 1937-7-26 13551 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC15805  Boechera acutina John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC158208  Prunus emarginata John Thomas Howell 1937-7-25 13449 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC158211  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC158214  Prunus emarginata John Thomas Howell 1939-8-3 14986 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC158422  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC159293  Drymocallis lactea var. lactea John Thomas Howell 1939-8-2 14940 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC159433  Drymocallis glandulosa var. glandulosa John Thomas Howell 1937-7-21 13157 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC159683  Drymocallis glandulosa John Thomas Howell 1939-8-10 15264 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC16047  Boechera breweri subsp. shastaensis John Thomas Howell 1937-7-22 13265 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC162006  Bromus racemosus John Thomas Howell 1952-6-14 28350 A Siskiyou East of Etna on Fort Jones-Callahan Road. Comment
  CAS-BOT-BC16239  Boechera divaricarpa John Thomas Howell 1937-7-21 13205 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC164969  Clarkia rhomboidea John Thomas Howell 1937-7-22 13307 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC166089  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC16685  Barbarea orthoceras John Thomas Howell 1939-8-10 15273 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC16686  Barbarea orthoceras John Thomas Howell 1937-7-22 13263 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC16687  Barbarea orthoceras John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53416 Siskiyou Oro Fino. 853 Comment
  CAS-BOT-BC168335  Eremogone congesta var. congesta John Thomas Howell 1937-7-24 13426 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC168806  Ribes viscosissimum John Thomas Howell 1937-7-26 13549 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC168808  Ribes viscosissimum John Thomas Howell 1937-7-25 13462 Siskiyou Caribou Basin, Salmon-Trinity Alps 2133 Comment
  CAS-BOT-BC168809  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC168810  Ribes viscosissimum John Thomas Howell 1939-8-2 14923 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC168867  Ribes inerme var. klamathense John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53408 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC169390  Alnus viridis subsp. sinuata John Thomas Howell 1937-7-24 13395 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC169490  Betula occidentalis John Thomas Howell 1964-5-11 40701 Siskiyou Scott Valley between Etna and Callahan Comment
  CAS-BOT-BC170345  Polygala cornuta var. cornuta John Thomas Howell 1934-7-4 12406 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC171245  Alnus viridis subsp. crispa John Thomas Howell 1939-8-3 14956 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC171399  Alnus incana subsp. tenuifolia John Thomas Howell 1937-7-23 13350 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC171862  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC171863  Epilobium septentrionale John Thomas Howell 1937-7-29 13639 Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC173284  Ribes lacustre John Thomas Howell 1937-7-25 13459 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC173285  Ribes lacustre John Thomas Howell 1937-7-22 13305 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC173295  Ribes lacustre John Thomas Howell; Gordon H. True 1972-6-8 48858 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC173388  Ribes lobbii John Thomas Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC173392  Ribes lobbii John Thomas Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC173396  Ribes lobbii John Thomas Howell 1939-8-10 15285 Siskiyou Grindstone Camp, Canyon Creek, Marble Mts. Comment
  CAS-BOT-BC173397  Ribes lobbii John Thomas Howell 1937-7-22 13284 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC17356  Arabis eschscholtziana John Thomas Howell 1937-7-21 13202 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC173914  Ribes velutinum T. Howell 1889-4-15 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC174101  Eremogone aculeata John Thomas Howell 1939-8-2 14916 a Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC174224  Eremogone congesta var. congesta John Thomas Howell 1939-8-2 14916 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC178801  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178802  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1739 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178803  Astragalus californicus John Thomas Howell; Alice Eastwood 1934-4-20 1749 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC178804  Astragalus californicus T. Howell 1889-5-12 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC178805  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  CAS-BOT-BC180193  Corylus cornuta subsp. californica John Thomas Howell 1937-7-23 13352 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC181159  Minuartia rubella John Thomas Howell 1939-8-8 15171 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC181201  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC181202  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14972 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC18131  Carex athrostachya John Thomas Howell 1939-8-8 15139 Siskiyou Marble Mountains. Between Sky High Valley and Marble Valley. Comment
  CAS-BOT-BC181422  Stellaria calycantha John Thomas Howell 1939-8-3 14966 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC181520  Caltha leptosepala John Thomas Howell 1939-8-10 15276 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC182272  Garrya fremontii John Thomas Howell 1939-8-2 14865 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC182276  Garrya fremontii John Thomas Howell 1937-7-23 13346 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC18391  Carex John Thomas Howell 1939-8-3 14963 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC184587  Vulpia microstachys var. pauciflora John Thomas Howell 1934-7-4 s.n. Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC185266  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon Trinity Alps. 2286 Comment
  CAS-BOT-BC185268  Calamagrostis koelerioides John Thomas Howell 1939-8-2 14942 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC185381  Bromus vulgaris John Thomas Howell 1939-8-5 15067 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC185382  Bromus vulgaris John Thomas Howell 1937-7-23 13364 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC185598  Bromus tectorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53428 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan. 853 Comment
  CAS-BOT-BC186919  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou SE. corner of Siskiyou Co. Comment
  CAS-BOT-BC186920  Astragalus inversus John Thomas Howell 1934-7-4 12388 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC190006  Cinna latifolia John Thomas Howell 1939-8-10 15252 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC190007  Cinna latifolia John Thomas Howell 1939-8-6 15094 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19072  Carex aurea John Thomas Howell 1937-7-22 13257 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC192254  Danthonia californica John Thomas Howell 1937-7-1 13456 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC192256  Danthonia californica John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC192918  Astragalus purshii var. lectulus John Thomas Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC194395  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC19557  Carex bolanderi John Thomas Howell 1937-7-21 13197 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC19656  Carex brainerdii John Thomas Howell 1939-8-6 15099 Siskiyou Marble Mountains. Elk Mountain. Comment
  CAS-BOT-BC19657  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19658  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19659  Carex brainerdii John Thomas Howell 1937-7-26 13555 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC19660  Carex brainerdii John Thomas Howell 1937-7-24 13427 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC19761  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC19762  Carex abrupta John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC19763  Carex abrupta John Thomas Howell 1939-8-10 15282 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19764  Carex abrupta John Thomas Howell 1939-8-1 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19765  Carex abrupta John Thomas Howell 1939-8-9 15192 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC19766  Carex abrupta John Thomas Howell 1939-8-3 14962 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19767  Carex abrupta John Thomas Howell 1939-8-2 14934 Siskiyou Marble Mountains. Spirit Lake. 1828 Comment
  CAS-BOT-BC19768  Carex abrupta John Thomas Howell 1937-7-24 13428 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC19769  Carex abrupta John Thomas Howell 1939-8-8 15190 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC199146  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1937-6-25 5019 Siskiyou Scott Mts. S of Callahan Comment
  CAS-BOT-BC199147  Astragalus whitneyi var. siskiyouensis John Thomas Howell; Alice Eastwood 1934-4-20 1743 Siskiyou Near Yreka on Ft. Jones Road Comment
  CAS-BOT-BC199189  Vaccinium cespitosum John Thomas Howell 1939-8-10 15267 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC199190  Vaccinium cespitosum John Thomas Howell 1937-7-24 13416 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC199228  Vaccinium membranaceum John Thomas Howell 1939-8-2 14871 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC199484  Vaccinium scoparium John Thomas Howell 1939-8-6 15109 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC199797  Vahlodea atropurpurea John Thomas Howell 1939-8-9 15229 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC199798  Vahlodea atropurpurea John Thomas Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC199982  Ribes roezlii var. cruentum John Thomas Howell 1937-7-26 13546 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC199986  Ribes roezlii var. cruentum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53390 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC199988  Ribes roezlii var. cruentum John Thomas Howell 1937-7-29 13635 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC199991  Ribes roezlii var. cruentum John Thomas Howell 1939-8-11 15286 Siskiyou Near mouth of Canyon Creek Comment
  CAS-BOT-BC200093  Trisetum canescens John Thomas Howell 1939-8-9 15199 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC200094  Trisetum canescens John Thomas Howell 1939-8-2 14922 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC201948  Deschampsia elongata John Thomas Howell 1939-8-2 14935 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC202834  Paxistima myrsinites John Thomas Howell 1952-6-14 2831 Siskiyou Just north of Black Butte Comment
  CAS-BOT-BC202835  Paxistima myrsinites John Thomas Howell 1937-7-23 13369 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC202849  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC205783  Sidalcea oregana John Thomas Howell 1939-8-7 15122 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC206591  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206592  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-2 14938 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC206593  Elymus glaucus subsp. glaucus John Thomas Howell 1939-8-9 15212 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC206594  Elymus glaucus subsp. glaucus John Thomas Howell 1937-7-21 13167 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC207628  Cercis occidentalis John Thomas Howell 1934-7-4 12408 Siskiyou SE corner of Siskiyou Co. Comment
  CAS-BOT-BC210413  Cornus sericea John Thomas Howell 1937-7-22 13289 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC210424  Cornus sericea John Thomas Howell 1939-8-3 14978 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC210866  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-6 15095 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC210867  Achnatherum occidentale subsp. californicum John Thomas Howell 1939-8-9 15242 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC210875  Achnatherum occidentale subsp. californicum John Thomas Howell 1937-7-22 13258 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC212073  Cornus nuttallii John Thomas Howell 1937-7-26 13547 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC212480  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC212485  Ribes marshallii John Thomas Howell 1939-8-2 14876 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC21371  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-8 15188 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC21372  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC21374  Agoseris aurantiaca var. aurantiaca John Thomas Howell 1939-8-4 15030 Siskiyou Between Elk Mt. and Marble Rim, Marble Mts. Comment
  CAS-BOT-BC215101  Lupinus croceus John Thomas Howell 1937-7-1 13314 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC215200  Lupinus croceus John Thomas Howell 1937-7-29 13667 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  CAS-BOT-BC216920  Achnatherum occidentale John Thomas Howell 1939-8-6 15087 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC216921  Achnatherum occidentale John Thomas Howell 1937-7-26 13523 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC216922  Achnatherum occidentale John Thomas Howell 1937-7-21 13166 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC216923  Achnatherum occidentale John Thomas Howell 1934-7-4 12390 Siskiyou SE corner of the county Comment
  CAS-BOT-BC218018  Achnatherum thurberianum John Thomas Howell 1952-6-14 28352 Siskiyou Serpentine Knoll, 7 miles E of Callahan on road to Gazelle Comment
  CAS-BOT-BC219039  Trifolium howellii John Thomas Howell 1939-8-7 15118 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC219260  Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC219272  Ribes nevadense John Thomas Howell 1937-7-22 13310 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC219531  Nemophila parviflora John Thomas Howell 1937-7-22 13267 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC220385  Monardella purpurea John Thomas Howell 1939-8-4 15040 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC221959  Taeniatherum caput-medusae John Thomas Howell 1952-6-15 28365 Siskiyou Just east of Montague Comment
  CAS-BOT-BC222030  Monardella odoratissima subsp. glauca John Thomas Howell 1937-7-29 13652 A Siskiyou Scott Mt. between Trinity and Siskiyou counties Comment
  CAS-BOT-BC222163  Monardella odoratissima subsp. pallida John Thomas Howell 1939-8-2 14933 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC22296  Carex hassei John Thomas Howell 1937-7-23 13334 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC22781  Agoseris heterophylla John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53425 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  CAS-BOT-BC227917  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC227928  Elymus elymoides John Thomas Howell 1937-7-21 13158 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC227929  Elymus elymoides John Thomas Howell 1939-8-6 15107 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC228979  Cistanthe umbellata John Thomas Howell 1934-7-4 12392 Siskiyou Unspecified Comment
  CAS-BOT-BC228982  Cistanthe umbellata John Thomas Howell 1937-7-22 13297 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC228983  Cistanthe umbellata John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC229450  Lewisia cotyledon John Thomas Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC229611  Mirabilis greenei John Thomas Howell 1952-6-14 28356 Siskiyou 6 miles W of Gazelle on road to Callahan Comment
  CAS-BOT-BC230885  Trifolium productum John Thomas Howell 1939-8-9 15223 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC230887  Trifolium productum John Thomas Howell 1937-7-24 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC231009  Plagiobothrys hispidulus John Thomas Howell 1937-7-22 13331 A Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC231350  Polemonium pulcherrimum John Thomas Howell 1939-8-9 15220 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC231351  Polemonium pulcherrimum John Thomas Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC232873  Polemonium carneum Thos. Howell 1888-5-1 s.n. Siskiyou Hornbrook Comment
  CAS-BOT-BC23419  Carex multicostata John Thomas Howell 1937-7-26 13557 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC23421  Carex multicostata John Thomas Howell 1937-7-22 13254 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC23422  Carex multicostata John Thomas Howell 1937-7-21 13199 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC23423  Carex multicostata John Thomas Howell 1937-7-24 13429 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC23425  Carex multicostata John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234779  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234780  Symphoricarpos mollis John Thomas Howell 1939-8-2 14925 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234787  Symphoricarpos mollis John Thomas Howell 1939-8-2 14947 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC234797  Symphoricarpos mollis John Thomas Howell 1937-7-23 13362 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC235219  Elymus multisetus John Thomas Howell 1952-6-14 28344 Siskiyou 9.5 miles from Ft. Jones on road to Callahan 853 Comment
  CAS-BOT-BC236486  Sambucus racemosa subsp. racemosa John Thomas Howell 1939-8-3 15011 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC237711  Poa secunda John Thomas Howell 1937-7-29 13620 Siskiyou Scott Mountain between Siskiyou and Trinity counties Comment
  CAS-BOT-BC238878  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-24 13391 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC238881  Sambucus nigra subsp. caerulea John Thomas Howell 1934-7-4 12409 Siskiyou Unspecified Comment
  CAS-BOT-BC238885  Sambucus nigra subsp. caerulea John Thomas Howell 1937-7-23 13358 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC238886  Sambucus nigra subsp. caerulea John Thomas Howell 1939-8-5 15072 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC241087  Castilleja schizotricha John Thomas Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC241088  Castilleja schizotricha John Thomas Howell 1939-8-8 15182 Siskiyou Black Mts., Marble Mts. Comment
  CAS-BOT-BC241137  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-24 13375 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC241138  Castilleja applegatei subsp. pinetorum John Thomas Howell 1939-8-4 15037 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC241143  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-29 13642 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC241147  Castilleja applegatei subsp. pinetorum John Thomas Howell 1937-7-21 13193 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC243214  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243215  Poa secunda subsp. secunda John Thomas Howell 1939-8-2 14912 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC243216  Poa secunda subsp. secunda John Thomas Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC243217  Poa secunda subsp. secunda John Thomas Howell 1934-7-4 s.n. Siskiyou SE corner of county Comment
  CAS-BOT-BC243238  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53443 Siskiyou 7 miles E of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC243239  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53435 Siskiyou Along E Fork Scott River 2 miles E of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC243240  Poa secunda subsp. secunda John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53409 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC243495  Scribneria bolanderi John Thomas Howell 1952-6-14 28346 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  CAS-BOT-BC244326  Podagrostis humilis John Thomas Howell 1939-8-3 15001 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC246490  Eriogonum diclinum John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC246491  Eriogonum diclinum John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC246829  Poa leptocoma John Thomas Howell 1939-8-10 15263 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC247524  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC247531  Poa pringlei John Thomas Howell 1937-7-29 13670 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC250064  Eriogonum compositum var. compositum John Thomas Howell 1937-7-26 13548 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC250066  Eriogonum compositum var. compositum John Thomas Howell 1939-8-2 14869 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC250949  Phleum pratense John Thomas Howell 1939-8-9 15224 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC254101  Castilleja miniata John Thomas Howell 1937-7-22 13293 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC254116  Castilleja miniata John Thomas Howell 1939-8-2 14861 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC25416  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25417  Boechera retrofracta John Thomas Howell 1937-7-21 13203 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC25418  Boechera retrofracta John Thomas Howell 1937-7-21 13203 A Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC254778  Poa bolanderi John Thomas Howell 1937-7-22 13321 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC254779  Poa bolanderi John Thomas Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC255002  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53429 Siskiyou E side of Scott Valley, 10 miles S of Fort Jones on road to Callahan 853 Comment
  CAS-BOT-BC255003  Poa bulbosa Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53402 Siskiyou Forest Mountain Summit, 6 miles SW of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC255726  Eriogonum elatum var. elatum John Thomas Howell 1937-7-21 13154 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC255762  Eriogonum elatum var. villosum John Thomas Howell 1939-8-2 14885 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC256018  Poa pratensis John Thomas Howell; T. C. Fuller 1980-4-29 53431 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC256019  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53383 Siskiyou 2.5 miles south of Grenada, Shata Valley 762 Comment
  CAS-BOT-BC256020  Poa pratensis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53415 Siskiyou Oro Fino 853 Comment
  CAS-BOT-BC256021  Poa pratensis John Thomas Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC256022  Poa pratensis John Thomas Howell 1980-4-28 53368 Siskiyou Grenada 792 Comment
  CAS-BOT-BC25609  Boechera retrofracta John Thomas Howell 1939-8-8 15174 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC25610  Boechera retrofracta John Thomas Howell 1937-7-24 13378 Siskiyou Salmon - Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25614  Boechera retrofracta John Thomas Howell 1939-8-3 14952 Siskiyou Marble Mountains. Spriit Lake. 1828 Comment
  CAS-BOT-BC25615  Boechera retrofracta John Thomas Howell 1939-8-4 15048 Siskiyou Marble Mountains. Marble River. 1889 Comment
  CAS-BOT-BC25616  Boechera retrofracta John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53410 Siskiyou Fort Jones. 853 Comment
  CAS-BOT-BC25867  Boechera subpinnatifida John Thomas Howell 1952-6-14 28343 Siskiyou 9.5 miles from Fort Jones on road to Callahan. 853 Comment
  CAS-BOT-BC25881  Boechera subpinnatifida John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53440 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC25915  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25917  Boechera suffrutescens John Thomas Howell 1939-8-2 14941 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC25929  Boechera suffrutescens John Thomas Howell 1937-7-24 13379 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC25930  Boechera suffrutescens John Thomas Howell 1937-7-21 13204 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC259365  Eriogonum lobbii John Thomas Howell 1937-7-24 13420 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC261055  Poa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53431 A Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC261624  Eriogonum nudum var. nudum John Thomas Howell 1939-8-2 14889 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC264196  Melica subulata John Thomas Howell 1939-8-3 14953 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC264197  Melica subulata John Thomas Howell 1937-7-22 13319 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC266641  Pedicularis bracteosa John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC266642  Pedicularis bracteosa John Thomas Howell 1937-7-25 13457 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC266657  Pedicularis contorta John Thomas Howell 1937-7-24 13405 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC267043  Muhlenbergia filiformis John Thomas Howell 1937-7-25 13445 Siskiyou Caribou Basin, Salmon - Trinity Alps 2286 Comment
  CAS-BOT-BC267044  Muhlenbergia filiformis John Thomas Howell 1939-8-9 15211 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC267227  Potamogeton robbinsii John Thomas Howell 1939-8-9 15196 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC267392  Eriogonum marifolium var. marifolium John Thomas Howell 1937-7-29 13630 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC267978  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-29 13629 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC267979  Eriogonum umbellatum var. argus John Thomas Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC267993  Eriogonum umbellatum var. argus John Thomas Howell 1937-7-21 13169 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC268147  Eriogonum umbellatum var. humistratum John Thomas Howell 1937-7-29 13631 Siskiyou Scott Mt. between Siskiyou and Trinity cos. Comment
  CAS-BOT-BC268155  Eriogonum umbellatum var. humistratum John Thomas Howell 1939-8-8 15169 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC268576  Eriogonum siskiyouense John Thomas Howell 1937-7-29 13628 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC268577  Eriogonum siskiyouense John Thomas Howell 1937-7-29 13627 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC269228  Melica aristata John Thomas Howell 1937-7-23 13365 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC269626  Symphoricarpos albus var. laevigatus John Thomas Howell 1937-7-21 13188 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC27032  Aquilegia formosa f. anomala John Thomas Howell 1937-7-22 13291 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC272501  Eriogonum nudum var. pubiflorum John Thomas Howell 1934-7-4 12396 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC273496  Hordeum vulgare John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53378 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC275182  Muhlenbergia montana John Thomas Howell 1937-7-25 13442 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC276758  Chaenactis douglasii var. douglasii John Thomas Howell 1937-7-29 13651 Siskiyou Scott Mountain between Trinity and Siskiyou Counties Comment
  CAS-BOT-BC278053  Cirsium cymosum John Thomas Howell 1937-7-29 13649 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC278726  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278728  Festuca idahoensis John Thomas Howell 1939-8-9 15240 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC278874  Festuca occidentalis John Thomas Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC28082  Carex hoodii John Thomas Howell 1937-7-25 13484 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC28083  Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC28084  Carex hoodii John Thomas Howell 1939-8-2 14936 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC282073  Melica fugax John Thomas Howell 1937-7-21 13155 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC282723  Glyceria elata John Thomas Howell 1937-7-22 13272 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC282724  Glyceria elata John Thomas Howell 1939-8-5 15071 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC28344  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-10 15281 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC28345  Carex scopulorum var. bracteosa John Thomas Howell 1939-8-7 15127 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC283652  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC283653  Schedonorus pratensis John Thomas Howell 1939-8-9 15200 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC28429  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC28430  Carex lenticularis var. lipocarpa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC28431  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-23 13339 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC28432  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-22 13255 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC28433  Carex lenticularis var. lipocarpa John Thomas Howell 1937-7-25 13473 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC288767  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  CAS-BOT-BC288768  Cirsium remotifolium John Thomas Howell 1939-8-7 15112 Siskiyou Sky High Valley, Marble Mts 1828 Comment
  CAS-BOT-BC288769  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC288770  Cirsium remotifolium John Thomas Howell 1937-7-22 13311 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC288771  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC288772  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC288773  Cirsium remotifolium John Thomas Howell 1939-8-4 15033 Siskiyou Between Elk Mt and Marble River, Marble Mts Comment
  CAS-BOT-BC290476  Crepis acuminata John Thomas Howell 1937-7-22 13331 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC290876  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC290877  Crepis pleurocarpa John Thomas Howell 1937-7-29 13646 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC290881  Crepis pleurocarpa John Thomas Howell 1939-8-2 14867 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC290884  Crepis pleurocarpa John Thomas Howell 1937-7-24 13386 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC291023  Dieteria canescens var. shastensis John Thomas Howell 1934-7-4 12391 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC291026  Dieteria canescens var. shastensis John Thomas Howell 1939-8-4 15045 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC291527  Crepis intermedia John Thomas Howell 1939-8-4 15041 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC29325  Adenocaulon bicolor John Thomas Howell 1937-7-21 13186 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC293497  Erigeron aliceae John Thomas Howell 1939-8-2 14879 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC29446  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC29447  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley, Marble Mountains Comment
  CAS-BOT-BC294494  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-8 15175 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC294495  Erigeron bloomeri var. bloomeri John Thomas Howell 1939-8-4 15052 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC294499  Erigeron bloomeri var. bloomeri John Thomas Howell 1937-7-29 13644 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC294896  Erigeron cervinus John Thomas Howell 1937-7-25 13447 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC295392  Erigeron inornatus John Thomas Howell 1939-8-2 14894 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC295399  Erigeron inornatus John Thomas Howell 1934-7-4 12401 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC295461  Erigeron klamathensis John Thomas Howell 1939-8-6 15101 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC299463  Ericameria nauseosa var. speciosa John Thomas Howell 1939-8-6 15105 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC300860  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC300862  Erigeron glacialis var. glacialis John Thomas Howell 1937-7-25 13466 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC301121  Eriophyllum lanatum var. achilleoides John Thomas Howell 1937-7-29 13650 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC302666  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC302673  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC30428  Achillea millefolium John Thomas Howell 1937-7-23 13345 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC30429  Achillea millefolium John Thomas Howell 1939-8-6 15093 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC306738  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC306747  Helenium bigelovii John Thomas Howell 1937-7-23 13344 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC308285  Eriophyllum lanatum var. integrifolium John Thomas Howell 1939-8-2 14890 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC310631  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC310632  Eurybia radulina John Thomas Howell 1939-8-9 15246 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  CAS-BOT-BC312295  Heterotheca villosa var. minor John Thomas Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou Co. Comment
  CAS-BOT-BC312319  Hieracium John Thomas Howell 1939-8-2 14920 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC31308  Carex lenticularis var. impressa John Thomas Howell 1939-8-3 14960 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC313466  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC313467  Hemizonella minima John Thomas Howell 1937-7-21 13170 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316019  Hieracium nudicaule John Thomas Howell 1937-7-21 13178 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC316020  Hieracium nudicaule John Thomas Howell 1934-7-4 12389 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC31621  Carex luzulina var. luzulina John Thomas Howell 1937-7-23 13332 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC31629  Carex luzulina var. ablata John Thomas Howell 1939-8-3 14968 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC31630  Carex luzulina var. ablata John Thomas Howell 1939-8-7 15120 Siskiyou Sky High Valley, MarbleMts. 1828 Comment
  CAS-BOT-BC31836  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC31837  Carex microptera John Thomas Howell 1937-7-22 13252 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC318538  Hieracium greenei John Thomas Howell 1939-8-6 15097 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC318647  Hieracium horridum John Thomas Howell 1937-7-24 13421 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC319698  Hieracium albiflorum John Thomas Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC319699  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC319700  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC319701  Hieracium albiflorum John Thomas Howell 1937-7-22 13308 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC32001  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC32002  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC320105  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC320106  Hieracium triste John Thomas Howell 1937-7-24 13392 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC32050  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC32276  Carex multicostata John Thomas Howell 1939-8-9 15219 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC32556  Castilleja muscipula John Thomas Howell 1939-8-4 15060 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32557  Castilleja muscipula var. angustifolia John Thomas Howell 1939-8-4 15059 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32558  Castilleja muscipula var. armeniaca John Thomas Howell 1939-8-4 15061 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32639  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC32640  Castilleja excelsa John Thomas Howell 1939-8-4 15058 Siskiyou Near Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC331022  Acer glabrum var. glabrum John Thomas Howell 1939-8-5 15069 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC331023  Acer glabrum var. glabrum John Thomas Howell 1937-7-26 13554 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC339856  Solidago multiradiata John Thomas Howell 1939-8-8 15164 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC342563  Luina hypoleuca John Thomas Howell 1939-8-6 15104 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC342666  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC342667  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC342668  Madia citriodora John Thomas Howell 1934-7-4 12410 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC343431  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC343432  Madia gracilis John Thomas Howell 1937-7-22 13320 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC34376  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34377  Carex cusickii John Thomas Howell 1937-7-23 13335 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC344544  Madia exigua John Thomas Howell 1952-6-14 28345 Siskiyou 9.5 miles from Ft. Jones on road to Callahan Comment
  CAS-BOT-BC34881  Carex deflexa var. boottii John Thomas Howell 1939-8-3 15007 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC34882  Carex deflexa var. boottii John Thomas Howell 1937-7-21 13198 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC34883  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC34884  Carex deflexa var. boottii John Thomas Howell 1937-7-24 13430 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC34885  Carex deflexa var. boottii John Thomas Howell 1937-7-25 13476 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC349379  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC35523  Carex jonesii John Thomas Howell 1937-7-22 13256 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC35524  Carex jonesii John Thomas Howell 1937-7-23 13337 Siskiyou South Fork of the Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC35551  Scirpus congdonii John Thomas Howell 1939-8-7 15130 Siskiyou Sky High Valley, Marble Mtns. 1828 Comment
  CAS-BOT-BC36247  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13545 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC36248  Chrysolepis sempervirens John Thomas Howell 1937-7-26 13518 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC362933  Rigiopappus leptocladus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53423 Siskiyou East side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  CAS-BOT-BC363591  Senecio fremontii var. fremontii John Thomas Howell 1939-8-8 15158 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC363932  Senecio integerrimus var. exaltatus John Thomas Howell 1937-7-22 13309 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC364040  Senecio integerrimus var. major John Thomas Howell 1937-7-25 13455 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC364424  Senecio triangularis John Thomas Howell 1937-7-22 13306 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC364425  Senecio triangularis John Thomas Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364426  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC364427  Senecio triangularis John Thomas Howell 1939-8-8 15150 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC364428  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC364448  Senecio triangularis John Thomas Howell 1939-8-3 15024 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC365561  Solidago elongata John Thomas Howell 1939-8-9 15217 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC376506  Crepis pleurocarpa John Thomas Howell 1937-7-21 13192 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC37749  Cardamine californica John Thomas Howell 1939-8-9 15241 Siskiyou Marble Mountains. Shackleford Creek Trail. Comment
  CAS-BOT-BC383235  Wyethia angustifolia John Thomas Howell 1937-7-23 13342 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC388956  Silene grayi John Thomas Howell 1937-7-26 13535 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC388957  Silene grayi John Thomas Howell 1939-8-8 15168 A Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC388958  Silene grayi John Thomas Howell 1939-8-8 15168 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC388959  Silene grayi John Thomas Howell 1939-8-6 15103 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC388960  Silene grayi John Thomas Howell 1937-7-26 13534 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC389437  Silene lemmonii John Thomas Howell 1937-7-22 13330 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC389530  Silene menziesii John Thomas Howell 1937-7-21 13184 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC389531  Silene menziesii John Thomas Howell 1937-7-22 13325 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC389532  Silene menziesii John Thomas Howell 1937-7-23 13184 A Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391507  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391508  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13323 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391509  Aconitum columbianum subsp. columbianum John Thomas Howell 1939-8-5 15074 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391537  Aconitum columbianum subsp. columbianum John Thomas Howell 1937-7-22 13324 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391586  Aconitum columbianum subsp. viviparum John Thomas Howell 1939-8-7 15123 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC391700  Actaea rubra John Thomas Howell 1939-8-10 15272 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC391701  Actaea rubra John Thomas Howell 1937-7-23 13340 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391702  Actaea rubra John Thomas Howell 1939-8-3 14957 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391805  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC391806  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391807  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC391850  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC391851  Anemone drummondii John Thomas Howell 1939-8-2 14873 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC392304  Thalictrum fendleri John Thomas Howell 1939-8-9 15225 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC394976  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC394977  Aquilegia formosa John Thomas Howell 1937-7-24 13388 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC394978  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC394979  Aquilegia formosa John Thomas Howell 1939-8-8 15153 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC394980  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC394981  Aquilegia formosa John Thomas Howell 1939-8-3 15022 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC394982  Aquilegia formosa John Thomas Howell 1937-7-22 13318 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC395086  Stellaria nitens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53395 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC39661  Chorispora tenella John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53374 Siskiyou 2 miles south of Grenada, Shasta Valley. 762 Comment
  CAS-BOT-BC39988  Arctostaphylos nevadensis John Thomas Howell 1937-7-25 13440 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC40022  Arctostaphylos nevadensis John Thomas Howell 1939-8-3 14998 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC400704  Asarum hartwegii John Thomas Howell 1937-7-26 13542 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC400988  Hypericum anagalloides John Thomas Howell 1939-8-5 15083 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC412914  Aconogonon davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC412915  Aconogonon davisiae John Thomas Howell 1937-7-24 13376 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC41304  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. 1889 Comment
  CAS-BOT-BC41305  Draba pterosperma John Thomas Howell 1939-8-4 15038 Siskiyou Marble Mountains. Marble Rim. Comment
  CAS-BOT-BC41306  Draba pterosperma John Thomas Howell 1939-8-8 15160 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC413078  Bistorta bistortoides John Thomas Howell 1939-8-10 15277 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC413221  Oxyria digyna John Thomas Howell 1939-8-10 15253 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC414589  Polygonum douglasii John Thomas Howell 1939-8-6 15094 A Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC414590  Polygonum douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC414591  Polygonum douglasii John Thomas Howell 1937-7-21 13165 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC41755  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC41756  Draba howellii John Thomas Howell 1937-7-24 13417 Siskiyou Salmon-Trinity Alps. Caribou Basin. 2286 Comment
  CAS-BOT-BC41757  Draba howellii John Thomas Howell 1939-8-10 15249 Siskiyou Marble Mountains. Sky High Valley. 1828 Comment
  CAS-BOT-BC418464  Boykinia major John Thomas Howell 1937-7-25 13464 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC418465  Boykinia major John Thomas Howell 1939-8-3 14987 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC418595  Polygonum minimum John Thomas Howell 1939-8-2 14862 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC420703  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC420709  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC420711  Heuchera merriamii John Thomas Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC421082  Polygonum spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC421470  Sorbus sitchensis var. sitchensis John Thomas Howell 1937-7-26 13519 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC425007  Heuchera micrantha var. micrantha John Thomas Howell 1937-7-26 13564 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC428556  Micranthes aprica John Thomas Howell 1937-7-24 13408 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC428735  Micranthes californica John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53411 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC428982  Micranthes ferruginea John Thomas Howell 1939-8-2 14870 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC428983  Micranthes ferruginea John Thomas Howell 1937-7-24 13393 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC429153  Micranthes odontoloma John Thomas Howell 1939-8-8 15149 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC42969  Descurainia incisa subsp. incisa John Thomas Howell 1937-7-22 13326 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC42970  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou Marble Mountains. Ridge south of Marble Valley. Comment
  CAS-BOT-BC432316  Lithophragma campanulatum John Thomas Howell 1937-7-22 13300 Siskiyou S Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC433064  Mitella pentandra John Thomas Howell 1939-8-3 14965 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC433075  Mitella trifida John Thomas Howell 1939-8-3 14977 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC433076  Mitella trifida John Thomas Howell 1937-7-22 13261 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC436055  Ligusticum grayi John Thomas Howell 1937-7-25 13461 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  CAS-BOT-BC436535  Ligusticum californicum John Thomas Howell 1939-8-2 14888 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC436702  Luzula comosa var. laxa John Thomas Howell 1937-7-26 13533 Siskiyou Salmon-Trinity Alps: Caribou Basin 2286 Comment
  CAS-BOT-BC436703  Luzula comosa var. laxa John Thomas Howell 1937-7-22 13278 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC439107  Claytonia cordifolia John Thomas Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC439141  Claytonia exigua subsp. exigua John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53412 Siskiyou Fort Jones 853 Comment
  CAS-BOT-BC439630  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53398 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC439631  Claytonia parviflora subsp. parviflora John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53434 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC443720  Claytonia rubra subsp. depressa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53381 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC443831  Claytonia rubra subsp. rubra John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53399 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC444053  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC444054  Lewisia cotyledon var. cotyledon John Thomas Howell 1937-7-24 13438 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC444079  Lewisia leeana John Thomas Howell 1937-7-24 13437 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC444235  Lewisia pygmaea John Thomas Howell 1937-7-25 13448 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC444583  Lewisia triphylla John Thomas Howell 1937-7-24 13407 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC445207  Montia parvifolia John Thomas Howell 1939-8-5 15062 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC445871  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC445872  Saxifragopsis fragarioides John Thomas Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC447421  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC447422  Tellima grandiflora John Thomas Howell 1939-8-10 15275 Siskiyou Sky High Valley, Marble Mountains 1828 Comment
  CAS-BOT-BC447708  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-8 15137 Siskiyou Between Sky High Valley and Marble Valley, Marble Mts. Comment
  CAS-BOT-BC447709  Aruncus dioicus var. vulgaris John Thomas Howell 1939-8-10 15256 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC451342  Chimaphila menziesii John Thomas Howell 1939-8-6 15089 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC451433  Chimaphila menziesii John Thomas Howell 1937-7-22 13295 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC452258  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC452259  Chimaphila umbellata John Thomas Howell 1939-8-5 15068 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC452282  Chimaphila umbellata John Thomas Howell 1937-7-26 12559 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC458092  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  CAS-BOT-BC458093  Orthilia secunda John Thomas Howell 1939-8-2 14921 Siskiyou Marble Mts.: Spirit Lake 1828 Comment
  CAS-BOT-BC46433  Arctostaphylos patula John Thomas Howell 1952-6-14 28333 Siskiyou Just n. of Black Butte. Comment
  CAS-BOT-BC46434  Arctostaphylos patula John Thomas Howell 1952-6-14 28332 Siskiyou Just n. of Black Butte. Comment
  CAS-BOT-BC46457  Arctostaphylos patula John Thomas Howell 1939-8-3 15021 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC46458  Arctostaphylos patula John Thomas Howell 1937-7-25 13472 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC46494  Arctostaphylos patula John Thomas Howell 1937-7-23 13370 Siskiyou South Fork of the Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC46706  Arctostaphylos patula Howell 1889-4-13 1378 Siskiyou Near the Klamath River. Comment
  CAS-BOT-BC47098  Arctostaphylos viscida subsp. viscida John Thomas Howell 1980-4-29 53419 Siskiyou Near Cheeseville, Scott Valley. 853 Comment
  CAS-BOT-BC48387  Ceanothus cuneatus John Thomas Howell 1939-7-31 14859 Siskiyou Scott Valley near Fort Jones Comment
  CAS-BOT-BC48658  Ceanothus cordulatus John Thomas Howell 1937-7-21 13189 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC52811  Ceanothus velutinus var. velutinus John Thomas Howell 1937-7-21 13160 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC52812  Ceanothus velutinus var. velutinus John Thomas Howell 1939-8-3 15016 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC53737  Rhododendron columbianum John Thomas Howell 1937-7-24 13423 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC54572  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC54573  Erysimum capitatum John Thomas Howell 1939-8-2 14883 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC55107  Erysimum perenne John Thomas Howell 1937-7-24 13382 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC55108  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC55109  Erysimum perenne John Thomas Howell 1937-7-29 13636 Siskiyou Scott Mountain, between Siskiyou and Trinity Counties. Comment
  CAS-BOT-BC55496  Hornungia procumbens John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53377 Siskiyou Shasta Valley. 2 miles south of Grenada. 762 Comment
  CAS-BOT-BC55700  Frangula rubra subsp. modocensis John Thomas Howell 1934-7-4 12402 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC55720  Frangula rubra subsp. obtusissima John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53558 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  CAS-BOT-BC56352  Kalmia microphylla subsp. microphylla John Thomas Howell 1937-7-24 13410 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC56500  Phyllodoce empetriformis John Thomas Howell 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC56501  Phyllodoce empetriformis John Thomas Howell 1939-8-10 15266 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC56508  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Elk Mt., Marble Mts. Comment
  CAS-BOT-BC57676  Isoetes bolanderi John Thomas Howell 1937-7-29 13669 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC57677  Isoetes bolanderi John Thomas Howell 1939-8-9 15194 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC57678  Isoetes bolanderi John Thomas Howell 1939-8-10 15251 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC57679  Isoetes bolanderi John Thomas Howell 1939-8-2 14892 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC58263  Leucothoe davisiae John Thomas Howell 1937-7-24 13387 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC59128  Sedum spathulifolium John Thomas Howell 1939-8-8 15142 Siskiyou Marble Mountains, between Marble Valley and Sky High Valley. Comment
  CAS-BOT-BC59129  Sedum spathulifolium John Thomas Howell 1937-7-26 13565 Siskiyou Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC59186  Sedum lanceolatum John Thomas Howell 1966-7-25 15170 A Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC59187  Sedum lanceolatum John Thomas Howell 1939-8-4 15050 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  CAS-BOT-BC59596  Frangula rubra subsp. rubra John Thomas Howell 1934-7-4 12402 Siskiyou Se. croner of Siskiyou Co. Comment
  CAS-BOT-BC59706  Cassiope mertensiana John Thomas Howell 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC59984  Frangula purshiana John Thomas Howell 1939-8-9 15238 Siskiyou Shackleford Creek Trail. Marble Mts. Comment
  CAS-BOT-BC60024  Frangula purshiana John Thomas Howell 1937-7-24 13424 Siskiyou Caribou Basin, Salmon-Trinity Alpa. 2286 Comment
  CAS-BOT-BC60025  Frangula purshiana John Thomas Howell 1937-7-26 13541 Siskiyou Caribou Gulch. Comment
  CAS-BOT-BC60582  Noccaea fendleri subsp. glauca John Thomas Howell 1937-7-22 13279 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC60583  Noccaea fendleri subsp. glauca John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53446 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC60769  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC60770  Physaria occidentalis John Thomas Howell 1939-8-8 15170 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC62754  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou lava beds between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62755  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12384 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62756  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12385 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC62757  Quercus garryana var. breweri John Thomas Howell 1937-7-23 13353 Siskiyou Soth Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC62758  Quercus garryana var. breweri John Thomas Howell 1939-8-2 14918 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC62759  Quercus garryana var. breweri John Thomas Howell 1934-7-4 12383 Siskiyou Lava beds between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC63650  Ceanothus integerrimus John Thomas Howell 1934-7-4 12393 Siskiyou SE. corner of Siskiyou Co. Comment
  CAS-BOT-BC64606  Androsace elongata subsp. acuta John Thomas Howell 1952-6-14 28347 Siskiyou 9.5 mi. from St. Jones on road to Callehan. Comment
  CAS-BOT-BC64622  Primula suffrutescens John Thomas Howell 1937-7-25 13511 Siskiyou Summit between Caribou Basin and Start Fork of Trinity River. 2225 Comment
  CAS-BOT-BC64641  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC64642  Sedum oregonense John Thomas Howell 1939-8-2 14905 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC64643  Sedum oregonense John Thomas Howell 1937-7-25 13450 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC64649  Sedum oregonense John Thomas Howell 1939-8-3 14955 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC66198  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC66798  Thysanocarpus curvipes John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53556 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1005 Comment
  CAS-BOT-BC67671  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC67672  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Marble Mts. - Spirit Lake 1828 Comment
  CAS-BOT-BC68201  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC68202  Cheilanthes gracillima John Thomas Howell 1939-8-6 15100 Siskiyou Marble Mts. - Elk Mt. Comment
  CAS-BOT-BC68203  Cheilanthes gracillima John Thomas Howell 1939-8-3 14995 Siskiyou Marble Mts. - Spirit Lake Comment
  CAS-BOT-BC68204  Cheilanthes gracillima John Thomas Howell 1937-7-26 13524 Siskiyou Salmon-Trinity Alps, - Caribou Basin 2286 Comment
  CAS-BOT-BC68645  Quercus chrysolepis John Thomas Howell 1937-7-26 13543 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC68703  Athyrium alpestre var. americanum John Thomas Howell 1939-8-9 15227 Siskiyou Marble Mts. - ride sout of Marble Valley Comment
  CAS-BOT-BC69168  Antennaria dioica John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC69558  Aspidotis densa John Thomas Howell 1939-8-2 14902 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC70483  Cryptogramma acrostichoides John Thomas Howell 1939-8-3 15006 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC70484  Cryptogramma acrostichoides John Thomas Howell 1937-7-26 13525 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC70707  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53553 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle 1005 Comment
  CAS-BOT-BC70708  Cystopteris fragilis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53437 Siskiyou along East Fork Scott River 2 miles east of Callahan on road to Gazelle 990 Comment
  CAS-BOT-BC70715  Cystopteris fragilis John Thomas Howell 1989-8-3 14975 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC72389  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou North side of Scott Mt. Comment
  CAS-BOT-BC72405  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC72406  Polystichum lonchitis John Thomas Howell 1939-8-3 14991 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC73312  Pinus balfouriana John Thomas Howell 1939-8-8 15166 Siskiyou Marble Mts., Black Mt. Comment
  CAS-BOT-BC73396  Pinus albicaulis John Thomas Howell 1937-7-24 13436 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73473  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC73474  Picea breweriana John Thomas Howell 1939-8-2 14900 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC73636  Woodsia oregana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-20 53552 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1005 Comment
  CAS-BOT-BC74095  Turritis glabra John Thomas Howell 1937-7-21 13201 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC74096  Turritis glabra John Thomas Howell 1939-8-6 15088 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC74658  Rorippa curvisiliqua John Thomas Howell 1939-8-5 15064 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC7553  Carex infirminervia John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC7576  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake, marble Mountains. 1828 Comment
  CAS-BOT-BC75942  Berberis piperiana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53430 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC75943  Berberis piperiana John Thomas Howell 1937-7-23 13357 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC76004  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC76005  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC76006  Berberis pumila John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53389 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones. 1249 Comment
  CAS-BOT-BC7620  Carex interior John Thomas Howell 1937-7-23 13336 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC7656  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC7657  Carex integra John Thomas Howell 1937-7-22 13253 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC7659  Carex integra John Thomas Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC7661  Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mountains. 1828 Comment
  CAS-BOT-BC7662  Carex integra John Thomas Howell 1937-7-25 13483 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC77345  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC77346  Antennaria media John Thomas Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC77436  Philadelphus lewisii John Thomas Howell 1937-7-26 13560 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC78104  Abies magnifica John Thomas Howell 1937-7-26 13530 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC78175  Picea breweriana John Thomas Howell; Gordon H. True 1972-6-8 48853 Siskiyou south summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC78176  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC78326  Pinus attenuata John Thomas Howell 1937-7-27 13571 Siskiyou Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC78495  Pinus contorta subsp. murrayana John Thomas Howell 1937-7-25 13470 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC78952  Pinus monticola John Thomas Howell 1937-7-29 13666 Siskiyou Scott Mt. between Trinity and Siskiyou cos. Comment
  CAS-BOT-BC78956  Pinus monticola John Thomas Howell 1937-7-25 13469 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC79903  Antennaria microphylla John Thomas Howell 1937-7-21 13177 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC80258  Tsuga mertensiana subsp. grandicona John Thomas Howell 1937-7-25 13471 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC80559  Cupressus bakeri John Thomas Howell 1934-7-4 12386 Siskiyou between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC81137  Juniperus communis John Thomas Howell 1937-7-24 13394 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC81239  Juniperus occidentalis John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53420 Siskiyou east side of Scott Valley, 10 miles south of Fort Jones on road to Callahan 853 Comment
  CAS-BOT-BC81349  Taxus brevifolia John Thomas Howell 1937-7-26 13563 Siskiyou Between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC82360  Arnica cordifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53397 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC82663  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC82664  Arnica latifolia John Thomas Howell 1937-7-24 13380 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC82665  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC82666  Arnica latifolia John Thomas Howell 1937-7-26 13552 Siskiyou Caribou Gulch Comment
  CAS-BOT-BC82667  Arnica latifolia John Thomas Howell 1937-7-22 13269 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC82668  Arnica latifolia John Thomas Howell 1939-8-2 14909 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC82669  Arnica latifolia John Thomas Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC84759  Antennaria rosea subsp. rosea John Thomas Howell 1939-8-8 15183 Siskiyou Black Mts., Marble Mts. Comment
  CAS-BOT-BC84793  Antennaria racemosa John Thomas Howell 1939-8-2 14904 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC84978  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-8 15167 Siskiyou Marble Mts., Black Mt. Comment
  CAS-BOT-BC84979  Artemisia arbuscula subsp. arbuscula John Thomas Howell 1939-8-4 15054 Siskiyou Marble Mts., Marble Rim 1889 Comment
  CAS-BOT-BC85232  Taxus brevifolia John Thomas Howell; Gordon H. True 1972-6-8 48862 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC8756  Delphinium glaucum John Thomas Howell 1937-7-22 13292 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC8757  Delphinium glaucum John Thomas Howell 1939-8-5 15075 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC87845  Streptanthus tortuosus John Thomas Howell 1937-7-22 13298 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC87846  Streptanthus tortuosus John Thomas Howell 1937-7-24 13385 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC87847  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC87848  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  CAS-BOT-BC90079  Arnica ovata John Thomas Howell 1939-8-8 15179 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90479  Artemisia douglasiana John Thomas Howell 1939-8-8 15147 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC90743  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt., Marble Mt. Comment
  CAS-BOT-BC90783  Artemisia ludoviciana subsp. ludoviciana John Thomas Howell 1939-8-8 15146 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC92403  Ribes aureum var. aureum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53407 Siskiyou Fort Jones. 853 Comment
  CAS-BOT-BC92404  Ribes aureum var. aureum John Thomas Howell 1887-4-1 s.n. Siskiyou Hornbrook. Comment
  CAS-BOT-BC92534  Ribes binominatum John Thomas Howell 1937-7-22 13285 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  CAS-BOT-BC92535  Ribes binominatum John Thomas Howell 1937-7-25 13458 Siskiyou Caribou Basin, Salmon-Trinity Alps. 2286 Comment
  CAS-BOT-BC92536  Ribes binominatum John Thomas Howell 1937-7-29 13672 Siskiyou North side of Scott Mountain. Comment
  CAS-BOT-BC92537  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  CAS-BOT-BC92538  Ribes binominatum John Thomas Howell 1939-8-3 14958 Siskiyou Spirit Lake Marble Mountains. 1828 Comment
  CAS-BOT-BC98941  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-7 15133 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC98942  Symphyotrichum foliaceum var. parryi John Thomas Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC99036  Symphyotrichum cusickii John Thomas Howell 1939-8-7 15134 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  HSC10640  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley. 1829 Comment
  HSC13708  Phacelia greenei J. T. Howell 1952-6-14 28340 Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to Callahan 854 Comment
  HSC46724  Lewisia cotyledon J. T. Howell 1937-7-25 13474 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  HSC7173  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mtns. 1829 Comment
  JEPS4545  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1937-7-29 13653 Siskiyou Scott Mountain; between Trinity and Siskiyou Counties Comment
  JEPS50476  Viola sheltonii Thos. Howell April, 1892 1080 Siskiyou Siskiyou Mountains Comment
  JEPS55965  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  JEPS55973  Phacelia corymbosa John Thomas Howell 1939-8-4 15042 Siskiyou Marble Rim Marble Mts. 1889 Comment
  JEPS55975  Phacelia mutabilis John Thomas Howell 1939-8-9 15233 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  LA41254  Phyllodoce empetriformis John Thomas Howell; 1937-7-24 13396 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  LA41290  Cassiope mertensiana John Thomas Howell; 1937-7-25 13443 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  NY16588  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Lava flow from Timbered Crater and Little Hot Springs Valley Comment
  NY29981  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY29986  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY627425  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY627426  Penstemon newberryi var. berryi J. T. Howell 1937-7-26 13516 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  NY638942  Penstemon procerus var. brachyanthus J. T. Howell 1937-7-24 13390 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981.2 Comment
  OBI40303  Quercus sadleriana John Thomas Howell, Gordon H. True 1972-6-8 s.n. Siskiyou S of summit on road from Takilmato Happy Camp Comment
  POM202876  Phlox speciosa subsp. occidentalis J. T. Howell, Alice Eastwood 1934-4-20 1756 Siskiyou Near Yreka on Fort Jones Road Comment
  POM203790  Cupressus bakeri J. T. Howell 1934-7-4 12386 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  POM204107  Chamaebatiaria millefolium J. T. Howell 1934-7-4 12399 Siskiyou SE corner of Siskiyou County Comment
  POM204108  Linanthus pungens subsp. pulchriflorus J. T. Howell 1934-7-4 12400 Siskiyou SE corner of Siskiyou County Comment
  POM204109  Mimulus layneae J. T. Howell 1934-7-4 12398 Siskiyou SE corner of Siskiyou County Comment
  POM204110  Polygala cornuta var. cornuta J. T. Howell 1934-7-4 12406 Siskiyou SE corner of Siskiyou County Comment
  POM204111  Eriogonum marifolium J. T. Howell 1934-7-4 12395 Siskiyou SE corner of Siskiyou County Comment
  POM204112  Heterotheca villosa var. minor J. T. Howell 1934-7-4 12405 Siskiyou SE corner of Siskiyou County Comment
  POM230315  Gayophytum heterozygum J. T. Howell 1937-7-24 13383 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230320  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM230321  Epilobium siskiyouense J. T. Howell 1937-7-29 s.n. Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM230326  Picea breweriana J. T. Howell 1937-7-24 s.n. Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230327  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230331  Antennaria media J. T. Howell 1937-7-24 13401 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230548  Phlox diffusa subsp. diffusa J. T. Howell 1937-7-24 13406 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230550  Leptosiphon ciliatus J. T. Howell 1937-7-22 s.n. Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM230551  Collomia tinctoria J. T. Howell 1937-7-22 13281 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM230556  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  POM230559  Chimaphila umbellata subsp. occidentalis J. T. Howell 1937-7-26 13559 Siskiyou Caribou Gulch. Comment
  POM230563  Polemonium californicum J. T. Howell 1937-7-24 13377 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM230570  Epilobium brachycarpum J. T. Howell 1937-7-23 13359 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  POM230571  Epilobium hallianum J. T. Howell 1937-7-26 13527 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  POM254181  Carex straminiformis J. T. Howell 1939-8-2 14908 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM254197  Carex abrupta J. T. Howell 1939-8-9 15192 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  POM254202  Carex lenticularis var. lipocarpa J. T. Howell 1939-8-3 14760 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM254203  Carex integra J. T. Howell 1939-8-3 15002 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259288  Collomia tinctoria J. T. Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  POM259289  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259290  Arnica latifolia J. T. Howell 1939-8-2 14910 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259363  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-8 15182 Siskiyou Marble Mountains: Black Mountain. Comment
  POM259365  Hieracium albiflorum J. T. Howell 1939-8-2 14895 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259366  Aster foliaceus var. parryi J. T. Howell 1939-8-2 14877 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259370  Penstemon parvulus J. T. Howell 1939-8-2 14899 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259583  Agrostis variabilis J. T. Howell 1939-8-9 15214 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  POM259586  Poa bolanderi J. T. Howell 1939-8-9 15218 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  POM259601  Epilobium lactiflorum J. T. Howell 1939-8-2 14868 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259602  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259603  Dodecatheon jeffreyi J. T. Howell 1939-8-3 14950 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259604  Valeriana sitchensis subsp. sitchensis J. T. Howell 1939-8-3 15017 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259621  Draba pterosperma J. T. Howell 1939-8-8 s.n. Siskiyou Marble Mountains: Black Mountain Comment
  POM259755  Erysimum capitatum var. perenne J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  POM259758  Epilobium hallianum J. T. Howell 1939-8-10 15261 Siskiyou Spirit Lake, Marble Mountains 1829 Comment
  RSA100495  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA101634  Salix laevigata Thomas Howell 1889-4-14 1393 Siskiyou Hornbrook. Comment
  RSA106920  Phacelia greenei J. T. Howell 1952-6-14 s.n. Siskiyou East side of Scott Valley, 9.5 miles from Fort Jones on road to cllahan; elv. 2800 ft 854 Comment
  RSA18970  Polygonum spergulariiforme J. T. Howell 1937-7-21 13159 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA201313  Salix scouleriana J. T. Howell 1939-8-6 15102 -A Siskiyou Elk Peak. Marble Mtns. Comment
  RSA201420  Salix lucida subsp. lasiandra J. T. Howell 1939-8-9 15206 Siskiyou Sky High Valley, Marble Mountains. 1829 Comment
  RSA201499  Salix eastwoodiae J. T. Howell 1939-8-5 15078 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA201500  Salix sitchensis J. T. Howell 1939-8-5 15080 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA201501  Salix eastwoodiae J. T. Howell 1939-8-7 15125 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA201502  Salix eastwoodiae J. T. Howell 1939-8-7 15131 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA20156  Galium bolanderi J. T. Howell 1937-7-26 13553 Siskiyou Caribou Gulch. Comment
  RSA20157  Scutellaria antirrhinoides J. T. Howell 1937-7-21 13194 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA20170  Antennaria rosea J. T. Howell 1937-7-21 13177 Siskiyou S Fork of Salmon river near Big Flat. 1524 Comment
  RSA21885  Juncus parryi J. T. Howell 1939-8-3 15009 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA21890  Phleum alpinum J. T. Howell 1939-8-9 15224 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA22009  Arabis holboellii var. retrofracta J. T. Howell 1939-8-2 14913 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA22019  Saxifragopsis fragarioides John T. Howell 1939-8-3 14990 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22033  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA22059  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA22086  Juncus confusus J. T. Howell 1939-8-3 15005 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22087  Luzula parviflora J. T. Howell 1939-8-3 15000 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22088  Juncus mertensianus J. T. Howell 1939-8-5 15063 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA22127  Festuca occidentalis J. T. Howell 1937-7-22 13259 Siskiyou South Fork of Salmon River near Big Flat, Siskiyou Co. 1524 Comment
  RSA22128  Poa pratensis J. T. Howell 1937-7-23 13347 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA22159  Calamagrostis koelerioides J. T. Howell 1937-7-25 13451 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA22160  Poa J. T. Howell 1937-7-24 13403 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA22176  Erysimum capitatum J. T. Howell 1937-7-29 13636 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  RSA22180  Senecio triangularis J. T. Howell 1939-8-3 15023 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22181  Epilobium ciliatum subsp. glandulosum J. T. Howell 1939-8-3 14961 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22254  Lomatium engelmannii J. T. Howell 1937-7-29 13656 Siskiyou Scott Mountain between Trinity and Siskiyou counties Comment
  RSA22261  Carex abrupta J. T. Howell 1939-8-3 14962 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22443  Juncus drummondii J. T. Howell 1937-7-24 13425 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA69524  Stenanthium occidentale J. T. Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mtns 1829 Comment
  RSA70260  Vaccinium scoparium J. T. Howell 1939-8-6 s.n. Siskiyou Marble Mountains Comment
  RSA766152  Eriogonum umbellatum var. polyanthum J. T. Howell 1939-8-2 14887 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA80047  Castilleja arachnoidea subsp. schizotricha J. T. Howell 1939-8-4 15043 Siskiyou Marble Rim, Marble Mts 1890 Comment
  SBBG26838  Agrostis exarata J. T. Howell 1939-8-9 Siskiyou Sky High Valley, Marble Mtns 1828 Comment
  SBBG26900  Heuchera merriamii J. T. Howell 1937-7-24 Siskiyou Caribou Basin, Salmon-Trinity Alps 1981 Comment
  SBBG26908  Ribes lobbii J. T. Howell 1939-8-4 Siskiyou near Spirit Lake, Marble Mtns 1828 Comment
  SBBG41209  Phacelia mutabilis J. T. Howell 1939-8-2 Siskiyou Spirit Lake, Marble Mtns 1828 Comment
  SBBG47322  Quercus sadleriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  SBBG47340  Picea breweriana J. T. Howell, G. H. True 1972-6-8 Siskiyou S of summit on rd from Takilma to Happy Camp Comment
  SD130933  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  SEINET197954  Boechera breweri T. Howell 1884-6-17 Siskiyou Siskiyou Mts. Comment
  SEINET3121757 Image available Phacelia mutabilis John Thomas Howell 1937-7-22 13328 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  UC101219  Mirabilis greenei Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
  UC1026418  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou swamp 2 mi w Montague Comment
  UC1026513  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along rd. just e. Montague Comment
  UC1042564  Cryptantha flaccida John Thomas Howell 1952-6-14 28342 Siskiyou 9.5 mi from Ft. Jones (on road to Callahan) 853 Comment
  UC106097  Sanicula graveolens Thos. Howell 1889-4-16 1364 Siskiyou Pacific Coast, Hornbrook Hornbrook; Pacific Coast, Hornbrook Comment
  UC107059  Polemonium carneum Thos. Howell 1889-5-10 1381 Siskiyou Hornbrook Comment
  UC114325  Potentilla breweri Thomas Howell Siskiyou Hornbrook Comment
  UC114369  Sibbaldia procumbens Thomas Howell May 1889 1383 Siskiyou Hornbrook Comment
  UC1147787  Carex spectabilis John Thomas Howell 1937-7-24 13432 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC1147817  Carex luzulina var. ablata John Thomas Howell 1937-7-23 13332 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  UC1147831  Carex mariposana John Thomas Howell 1937-7-25 13488 Siskiyou Caribou Basin, Salmon- Trinity Alps 1981 Comment
  UC118418  Isopyrum stipitatum Thos. Howell April 1888 18 Siskiyou Hornbrook Comment
  UC119338  Salix laevigata var. congesta Thos. Howell 1889-4-14 1393 Siskiyou Hornbrook Comment
  UC120047  Pseudostellaria jamesiana Thos. Howell 1889-4-16 1337 Siskiyou Hornbrook Comment
  UC126997  Lupinus nanus Thos. Howell 1889-4-14 1345 Siskiyou Hornbrook Comment
  UC1332135  Navarretia divaricata John Thomas Howell 1937-7-27 13572 Siskiyou near Big Flat; Salmon River 1524 Comment
  UC1347199  Collomia linearis John Thomas Howell 1937-7-22 13262 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC1347200  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Salmon Trinity Alps, Caribou Basin Caribou Basin; Salmon Trinity Alps, Caribou Basin 1981 Comment
  UC1347210  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  UC1602156  Phacelia hastata subsp. compacta John Thomas Howell 1939-7-26 13767 Siskiyou along Summit Trail below Lake Helen; Mount Shasta Comment
  UC169418  Tetrapteron graciliflorum Thomas Howell May 1889 Siskiyou Hornbrook Comment
  UC19360  Viola sheltonii Thos. Howell April, 1892 1080 Siskiyou Siskiyou Mountains Comment
  UC2035829  Monardella odoratissima subsp. glauca John Thomas Howell 1937-7-29 13652 Siskiyou Scott Mt. between Trinity and Siskiyou Counties. Comment
  UC21600  Garrya buxifolia Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  UC21601  Garrya fremontii Thos. Howell Apr 1892 1437 Siskiyou Siskiyou Mts. Comment
  UC21886  Arctostaphylos patula Thos. Howell April, 1892 1448 Siskiyou near R.R. (top of mts.); Siskiyou Mts. Comment
  UC574866  Potentilla flabellifolia John Thomas Howell 1937-7-24 13398 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC574869  Horkelia fusca subsp. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou near Big Flat (South Fork of Salmon River) 1524 Comment
  UC574870  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  UC574873  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of the Salmon River near Big Flat; South Fork Salmon River near Big Flat 1524 Comment
  UC574875  Drymocallis rhomboidea John Thomas Howell 1937-7-21 13162 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC618368  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC618687  Phacelia hastata subsp. compacta John Thomas Howell 1938-8-21 11551 Siskiyou Horse Camp Flats Mount Shasta, vicinity of Horse Camp Basin Comment
  UC618688  Phacelia hastata subsp. compacta John Thomas Howell 1938-7-28 11359 Siskiyou North Ridges Mount Shasta Comment
  UC640624  Lomatium engelmannii John Thomas Howell 1937-7-29 13656 Siskiyou between Trinity & Siskiyou co.'s Scott Mt. Comment
  UC648263  Ipomopsis aggregata John Thomas Howell 1939-8-2 14898 Siskiyou Spirit Lake Marble Mtns Comment
  UC648264  Sanicula graveolens John Thomas Howell 1939-8-2 14915 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC648265  Juncus parryi John Thomas Howell 1939-8-3 15009 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC648266  Potentilla breweri John Thomas Howell 1939-8-2 14903 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC648274  Navarretia capillaris John Thomas Howell 1939-8-10 15258 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) Comment
  UC648275  Ipomopsis congesta John Thomas Howell 1939-8-4 Siskiyou Marble Rim Marble Mtns Comment
  UC648277  Ligusticum grayi John Thomas Howell 1939-8-9 15198 Siskiyou Marble Mts., Sky High Valley 1828 Comment
  UC648278  Potentilla flabellifolia John Thomas Howell 1939-8-10 15269 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UC648279  Potentilla drummondii John Thomas Howell 1939-8-2 14906 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC648284  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake Marble Mountains, Spirit Lake 1828 Comment
  UC648287  Collomia tinctoria John Thomas Howell 1939-8-9 15239 Siskiyou Shackleford Creek Trail Marble Mts. Comment
  UC648289  Polemonium californicum John Thomas Howell 1939-8-9 15220 Siskiyou ridge s Marble Valley (Marble Mts.); , s of Marble Valley Comment
  UC648312  Streptanthus tortuosus John Thomas Howell 1939-8-2 14891 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC710444  Artemisia ludoviciana subsp. incompta John Thomas Howell 1939-8-8 15186 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  UC710445  Artemisia michauxiana John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  UC710446  Artemisia ludoviciana subsp. incompta John Thomas Howell 15146 Siskiyou Marble Mts., Black Mt. Comment
  UC78652  Cryptantha rostellata Thomas Howell May 1889 Siskiyou Hornbrook Comment
  UC78653  Cryptantha rostellata Thos. Howell 1889-5-10 1386 Siskiyou Hornbrook Comment
Read comments
May 28 2007
  UC79242  Plagiobothrys canescens Thomas Howell May 1889 1384 Siskiyou Hornbrook Comment
  UC79650  Ribes velutinum Thos. Howell 1889-4-15 1361 Siskiyou Hornbrook Comment
  UC811441  Athyrium filix-femina var. cyclosorum John Thomas Howell 1939-8-3 14988 Siskiyou Spirit Lake; Marble Mts Comment
  UC81203  Astragalus californicus Thos. Howell 1889-5-12 1351 Siskiyou Hornbrook Comment
  UC812183  Cystopteris fragilis John Thomas Howell 1939-8-3 14975 Siskiyou Spirit Lake; Marble Mts. Comment
  UC812365  Pellaea breweri John Thomas Howell 1939-8-2 14874 Siskiyou Spirit Lake; Marble Mts Comment
  UC812639  Polystichum lemmonii John Thomas Howell 1937-7-29 13668 Siskiyou n side Scott Mt. Comment
  UC813168  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UC813169  Picea breweriana John Thomas Howell 1937-7-24 13413 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UC813814  Sparganium emersum var. emersum John Thomas Howell 1939-8-9 15208 Siskiyou Sky High Valley; Marble Mts. Comment
  UC814985  Agrostis pallens John Thomas Howell 1939-8-2 14943 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC815001  Agrostis exarata John Thomas Howell 1939-8-9 15205 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UC816583  Calamagrostis koelerioides John Thomas Howell 1937-7-25 13451 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC816903  Danthonia californica var. americana John Thomas Howell 1939-8-5 15076 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC816931  Danthonia intermedia John Thomas Howell 1939-8-7 15126 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UC81983  Lupinus nanus Thos. Howell 1889-4-14 1343 Siskiyou Hornbrook; Dry hillsides Hornbrook Comment
  UC822440  Carex subfusca John Thomas Howell 1939-8-3 15004 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC822939  Carex athrostachya John Thomas Howell 1939-8-8 15139 Siskiyou between Sky High Valley and Marble Valley Marble Mountains Comment
  UC823325  Carex brainerdii John Thomas Howell 1939-8-3 15008 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  UC826561  Carex laeviculmis John Thomas Howell 1939-8-3 14964 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC827030  Carex bolanderi John Thomas Howell 1939-8-3 14989 Siskiyou Spirit Lake Marble Mountains 1828 Comment
  UC827725  Ranunculus eschscholtzii var. suksdorfii John Thomas Howell 1937-7-25 13439 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC828134  Viola glabella John Thomas Howell 1939-8-3 14967 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC828286  Viola macloskeyi John Thomas Howell 1939-8-5 15065 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC829638  Microseris nutans John Thomas Howell 1937-7-22 13266 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC830962  Sedum obtusatum subsp. boreale John Thomas Howell 1939-8-2 14905 Siskiyou Marble Mts. , Spirit Lake (Spirit Lake) Comment
  UC832150  Senecio triangularis John Thomas Howell 1939-8-7 15135 Siskiyou Sky High Valley , Sky High Valley (Marble Mts.) 1828 Comment
  UC833305  Carex abrupta John Thomas Howell 1939-8-5 15066 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC834554  Carex preslii John Thomas Howell 1939-8-9 15203 Siskiyou Sky High Valley Marble Mountians 1828 Comment
  UC835109  Carex utriculata John Thomas Howell 1939-8-9 15197 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UC835741  Carex spectabilis John Thomas Howell 1939-8-8 15151 Siskiyou Black Mt. Marble Mts. Comment
  UC835743  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou ridge s Marble Valley; Marble Mts. Comment
  UC836013  Carex straminiformis John Thomas Howell 1939-8-2 14908 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC842400  Juncus confusus John Thomas Howell 1939-8-3 15005 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC842429  Juncus parryi John Thomas Howell 1937-7-24 13425 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC842519  Juncus ensifolius John Thomas Howell 1939-8-7 15129 Siskiyou Sky High Valley Marble Mts. 1828 Comment
  UC842670  Juncus mertensianus John Thomas Howell 1939-8-5 15063 Siskiyou Spirit Lake Marble Mts. 1828 Comment
  UC843144  Luzula parviflora John Thomas Howell 1939-8-3 15000 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  UC843145  Luzula parviflora John Thomas Howell 1939-8-9 15228 Siskiyou ridge s Marble Valley (Marble Mts.); , ridge s of Marble Valley Comment
  UC846307  Salix eastwoodiae John Thomas Howell 1939-8-5 15077 Siskiyou Spirit Lake; Marble Mts. Comment
  UC846308  Salix eastwoodiae John Thomas Howell 1939-8-5 15078 Siskiyou Spirit Lake; Marble Mts. Comment
  UC849521  Eriogonum marifolium John Thomas Howell 1937-7-25 13460 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UC849522  Eriogonum marifolium John Thomas Howell 1937-7-26 13517 Siskiyou Caribou Basin Salmon-Trinity Alps, Caribou Basin 1981 Comment
  UC850082  Polygonum davisiae John Thomas Howell 1939-8-2 14897 Siskiyou Spirit Lake Marble Mts. Comment
  UC850088  Polygonum douglasii subsp. douglasii John Thomas Howell 1939-8-2 14939 Siskiyou Spirit Lake Marble Mts. Comment
  UC850385  Polygonum douglasii subsp. spergulariiforme John Thomas Howell 1937-7-21 13159 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC852030  Lewisia cotyledon var. cotyledon John Thomas Howell 1939-8-3 14954 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  UC852133  Calyptridium umbellatum John Thomas Howell 1939-8-2 14866 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC852267  Arenaria congesta var. suffrutescens John Thomas Howell 1939-8-2 14916 Siskiyou Marble Mts., Spirit Lake 1828 Comment
  UC852816  Silene campanulata subsp. glandulosa John Thomas Howell 1939-8-3 14971 Siskiyou Spirit Lake Marble Mts., Spirit Lake 1828 Comment
  UC853390  Aconitum columbianum John Thomas Howell 1937-7-22 13323 Siskiyou S. Fork Salmon R. near Big Flat; S. Fork Salmon R. 1524 Comment
  UC853524  Anemone deltoidea John Thomas Howell 1939-8-2 14927 Siskiyou Spirit Lake; Marble Mtns Comment
  UC853527  Anemone deltoidea John Thomas Howell 1937-7-21 13173 Siskiyou near Big Flat (South Fork Salmon River); South Fork Salmon River 1524 Comment
  UC853767  Aquilegia formosa John Thomas Howell 1939-8-10 15278 Siskiyou Sky High Valley Marble Mtns Comment
  UC855979  Descurainia incisa subsp. incisa John Thomas Howell 1939-8-9 15222 Siskiyou ridge s Marble Valley (Marble Mts.); Marble Mts. Comment
  UC857280  Cryptantha torreyana John Thomas Howell 1937-7-29 13655 Siskiyou between Trinity and Siskiyou County; Scott Mountain Comment
  UC858017  Heuchera merriamii John Thomas Howell 1937-7-24 13400 Siskiyou Caribou Basin; Salmon-Trinity Alps 1981 Comment
  UC858887  Tellima grandiflora John Thomas Howell 1939-8-3 14974 Siskiyou Spirit Lake; Marble Mts. 1828 Comment
  UC860183  Holodiscus discolor John Thomas Howell 1939-8-2 14884 Siskiyou Marble Mountains, Spirit Lake Spirit Lake; Marble Mountains, Spirit Lake Comment
  UC860312  Luetkea pectinata John Thomas Howell 1939-8-2 14872 Siskiyou Spirit Lake; Marble Mts. Comment
  UC861018  Prunus emarginata John Thomas Howell 1939-8-4 15029 Siskiyou between Elk Mountain and Marble Rim (Marble Mountains); Marble Mountains Comment
  UC865447  Lupinus albicaulis var. shastensis John Thomas Howell 1939-8-7 15115 Siskiyou Sky High Valley; Marble Mts., Sky High Valley 1828 Comment
  UC869933  Paxistima myrsinites John Thomas Howell 1939-8-4 15056 Siskiyou near Spirit Lake; Marble Mts. Comment
  UC873300  Chamerion angustifolium subsp. circumvagum John Thomas Howell 1939-8-9 15244 Siskiyou Shackelford Creek Trail Marble Mts. Comment
  UC875302  Osmorhiza occidentalis John Thomas Howell 1937-7-29 13638 Siskiyou between Trinity Co. and Siskiyou County; Scott Mt. Comment
  UC876100  Chimaphila umbellata John Thomas Howell 1939-8-5 15068 Siskiyou Marble Mts., Spirit Lake Comment
  UC876107  Chimaphila umbellata John Thomas Howell 1937-7-26 13559 Siskiyou Caribou Gulch Comment
  UC877014  Phyllodoce empetriformis John Thomas Howell 1939-8-6 15111 Siskiyou Marble Mountains, Elk Mountain Elk Mountain; Marble Mountains, Elk Mountain Comment
  UC878459  Gentiana calycosa John Thomas Howell 1939-8-8 15145 Siskiyou Black Mt. Marble Mts. Comment
  UC882912  Agastache urticifolia John Thomas Howell 1939-8-6 15092 Siskiyou Spirit Lake; Marble Mts., Spirit Lake Comment
  UC884969  Solanum umbelliferum John Thomas Howell 1939-8-9 15234 Siskiyou Marble Mountains, Shackleford Creek Trail Shackleford Creek Trail; Marble Mountains, Shackleford Creek Trail Comment
  UC885599  Collinsia torreyi var. latifolia John Thomas Howell 1937-7-21 13181 Siskiyou South Fork Salmon River near Big Flat (Trinity Alps); , South Fork Salmon River 1524 Comment
  UC886594  Pedicularis bracteosa var. flavida John Thomas Howell 1939-8-3 15010 Siskiyou Spirit Lake; Marble Mountains Comment
  UC886815  Penstemon parvulus John Thomas Howell 1939-8-2 14899 Siskiyou Spirit Lake , Spirit Lake (Marble Mts.) 1828 Comment
  UC886831  Penstemon newberryi var. berryi John Thomas Howell 1937-7-26 13516 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UC887611  Veronica wormskjoldii John Thomas Howell 1939-8-3 14959 Siskiyou Spirit Lake; Marble Mountains, Spirit Lake 1828 Comment
  UC888781  Galium bolanderi John Thomas Howell 1937-7-26 13553 Siskiyou Caribou Gulch Comment
  UC890554  Campanula rotundifolia John Thomas Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts. 1889 Comment
  UC891547  Antennaria rosea J. Thomas Howell 1937-7-21 13177 Siskiyou near Big Flat; South Fork of Salmon River 1524 Comment
  UC894183  Brickellia grandiflora J. Thomas Howell 1939-8-4 15044 Siskiyou Marble Rim Marble Mts. Comment
  UC895582  Erigeron aliceae John Thomas Howell 14879 Siskiyou Marble Mts., Spirit Lake Marble Mts., Spirit Lake Comment
  UC896067  Erigeron glacialis var. glacialis John Thomas Howell 1939-8-8 15163 Siskiyou Black Mt. Marble Mts., Black Mt. Comment
  UC896508  Ageratina occidentalis John Thomas Howell 1939-8-2 14893 Siskiyou Spirit Lake Marble Mts., Spirit Lake Comment
  UC896938  Gnaphalium palustre John Thomas Howell 1939-8-10 15254 Siskiyou Sky High Valley Marble Mts., Sky High Valley 1828 Comment
  UC897343  Helenium bigelovii John Thomas Howell 1939-8-2 14860 Siskiyou Spirit Lake Marble Mts. Comment
  UC897858  Hieracium triste John Thomas Howell 1939-8-8 15152 Siskiyou Black Mts, Marble Mts Comment
  UC921814 Image available Ribes nevadense John Thomas Howell 1937-7-26 13528 Siskiyou Caribou Basin Salmon-Trinity Alps 1981 Comment
  UCD113092  Cercocarpus ledifolius John Thomas Howell 1964-5-11 40702 Siskiyou NE of Callahan on road to Gazelle. Comment
  UCD140484  Carex leptopoda John Thomas Howell 1939-8-3 14963 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD140652  Carex multicaulis John Thomas Howell 1937-7-26 13556 Siskiyou Caribou Gulch. Comment
  UCD140807  Carex scabriuscula J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2763 Siskiyou north of Trinity Center, south side of Trinity River, west of Highway 3, 0.4 mile north of Coffee Creek Road. 733 Comment
  UCD51463  Aegilops cylindrica John Thomas Howell 1952-6-15 28366 Siskiyou along road just east of Montague. Comment
  UCR66602  Carex kelloggii J. T. Howell 1939-8-3 14960 Siskiyou Marble Mountains, Spirit Lake. 1829 Comment
  CAS-BOT-BC102219  Arctium minus John Thomas Howell 1952-6-14 28330 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC117256  Carex spectabilis John Thomas Howell 1939-8-9 15226 Siskiyou Ridge South of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC119477  Carex nudata John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53432 Siskiyou East Fork Scott River 2 mi E of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC123401  Horkelia daucifolia subsp. latior John Thomas Howell 1937-7-29 13677 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC127926  Blepharipappus scaber John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53444 Siskiyou Open serpentine slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC13812  Boechera howellii John Thomas Howell 1937-7-26 13539 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC13813  Boechera howellii John Thomas Howell 1937-7-26 13538 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC14272  Boechera pinetorum John Thomas Howell 1937-7-29 13675 Siskiyou North slope of Scott Mountains. 1676 Comment
  CAS-BOT-BC143967  Horkelia daucifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53562 Siskiyou Yreka 822 Comment
  CAS-BOT-BC143968  Horkelia daucifolia John Thomas Howell 1980-4-30 53448 Siskiyou Yreka 792 Comment
  CAS-BOT-BC158533  Potentilla millefolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53379 Siskiyou 2.5 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC16017  Boechera breweri subsp. breweri John Thomas Howell 1939-8-8 15181 Siskiyou Marble Mountain. Black mountain. Comment
  CAS-BOT-BC16026  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13540 Siskiyou Caribou Mountain. 2438 Comment
  CAS-BOT-BC16027  Boechera breweri subsp. breweri John Thomas Howell 1937-7-26 13568 Siskiyou Salmon River Canyon. Between Big Flat and Caribou gulch. Comment
  CAS-BOT-BC16048  Boechera breweri subsp. shastaensis John Thomas Howell 1937-7-26 13568 Siskiyou Between Big Flat and Caribou Gulch, Salmon River Canyon. Comment
  CAS-BOT-BC162039  Pseudelymus saxicola John Thomas Howell 1952-6-14 28353 Siskiyou 7 miles east of Callahan on road to Gazelle. Comment
  CAS-BOT-BC18594  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53369 Siskiyou Grenada, near the railroad station. 792 Comment
  CAS-BOT-BC18595  Alyssum alyssoides John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53447 Siskiyou 7 miles east of Callahan on road to Gazelle. 1173 Comment
  CAS-BOT-BC186740  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53384 Siskiyou Yreka 792 Comment
  CAS-BOT-BC186741  Astragalus gambelianus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53573 Siskiyou Yreka 822 Comment
  CAS-BOT-BC199148  Astragalus whitneyi var. siskiyouensis John Thomas Howell 1937-6-29 13645 Siskiyou Scott Mt. between Trinity and Siskiyou Co. Comment
  CAS-BOT-BC225352  Gilia latiflora subsp. davyi John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53572 Siskiyou Yreka 822 Comment
  CAS-BOT-BC23420  Carex multicostata John Thomas Howell 1937-7-26 13557 A Siskiyou Caribou Meadow Comment
  CAS-BOT-BC23424  Carex multicostata John Thomas Howell 1939-8-6 15108 Siskiyou Elk Mt, Marble Mts. Comment
  CAS-BOT-BC23426  Carex multicostata John Thomas Howell 1939-8-9 15231 Siskiyou Ridge south of Marble Valley, Marble Mts. Comment
  CAS-BOT-BC254618  Poa X limosa John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53382 Siskiyou 2.5 miles S of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC25611  Boechera retrofracta John Thomas Howell 1937-7-26 13569 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25612  Boechera retrofracta John Thomas Howell 1937-7-26 13570 Siskiyou Salmon River Gulch. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25613  Boechera retrofracta John Thomas Howell 1937-7-29 13633 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  CAS-BOT-BC25691  Boechera sparsiflora John Thomas Howell 1937-7-26 13567 Siskiyou Salmon River Canyon. Between Big Flat and Caribou Gulch. Comment
  CAS-BOT-BC25916  Boechera suffrutescens John Thomas Howell 1937-7-29 13632 Siskiyou Summit ridge of Scott Mountain between Siskiyou and Trinity counties. Comment
  CAS-BOT-BC25918  Boechera suffrutescens John Thomas Howell 1939-8-1 15178 Siskiyou Marble Mountains. Black Mountain. Comment
  CAS-BOT-BC261616  Eriogonum nudum var. nudum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53569 Siskiyou Yreka 822 Comment
  CAS-BOT-BC263184  Eriogonum marifolium var. cupulatum John Thomas Howell 1934-7-4 12395 Siskiyou Se. corner of Siskiyou Co. Comment
  CAS-BOT-BC263399  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC269738  Eriogonum nudum var. oblongifolium John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53570 Siskiyou Yreka 822 Comment
  CAS-BOT-BC269973  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch Comment
  CAS-BOT-BC278035  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou 2 miles from Yreka on Ft. Jones road 807 Comment
  CAS-BOT-BC278036  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278037  Cirsium cymosum John Thomas Howell 1952-6-14 28336 Siskiyou Near Yreka Comment
  CAS-BOT-BC278038  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278039  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278040  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278041  Cirsium cymosum John Thomas Howell 1952-6-15 28358 Siskiyou Yreka Comment
  CAS-BOT-BC278045  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Just east of Montague Comment
  CAS-BOT-BC278046  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278047  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278048  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC278049  Cirsium cymosum John Thomas Howell 1952-6-15 28361 Siskiyou Montague Comment
  CAS-BOT-BC279883  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC279884  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC279885  Cirsium douglasii var. breweri John Thomas Howell 1952-6-14 28329 Siskiyou Mt. Shasta City Comment
  CAS-BOT-BC283654  Schedonorus pratensis John Thomas Howell 1952-6-15 28369 Siskiyou N of Grenada Comment
  CAS-BOT-BC286467  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Just south of Gazelle 838 Comment
  CAS-BOT-BC286468  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC286469  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC286470  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC286471  Cirsium scariosum John Thomas Howell 1952-6-14 28334 Siskiyou Gazelle Comment
  CAS-BOT-BC288005  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Knoll just east of Montague Comment
  CAS-BOT-BC288006  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  CAS-BOT-BC288011  Cirsium occidentale var. candidissimum John Thomas Howell 1952-6-15 28362 Siskiyou Montague Comment
  CAS-BOT-BC290996  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC291025  Dieteria canescens var. shastensis John Thomas Howell 1937-7-29 13678 Siskiyou North slope of Scott Mts. 1676 Comment
  CAS-BOT-BC29445  Ageratina occidentalis John Thomas Howell 1939-8-8 15138 Siskiyou Between Sky High Valley and Marble Valley Comment
  CAS-BOT-BC311788  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka 792 Comment
  CAS-BOT-BC312294  Heterotheca villosa var. minor John Thomas Howell 1939-8-4 15049 Siskiyou Marble Rim, Marble Mountains 1889 Comment
  CAS-BOT-BC31437  Carex leporinella John Thomas Howell 1939-8-8 15155 Siskiyou Black Mt. Marble Mts. Comment
  CAS-BOT-BC32277  Carex multicostata John Thomas Howell 1939-8-8 15149 A Siskiyou Black Mt. Comment
  CAS-BOT-BC32535  Castilleja globosa John Thomas Howell 1939-8-8 15159 Siskiyou Marble Mts. Black Mountain Comment
  CAS-BOT-BC340377  Kyhosia bolanderi John Thomas Howell 1939-8-9 15207 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC344543  Madia exigua John Thomas Howell 1980-5-20 53561 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC362385  Pyrrocoma racemosa var. racemosa John Thomas Howell 1939-7-31 14858 Siskiyou North side of Scott Mts. on road to Callaghan [Callahan] Comment
  CAS-BOT-BC37194  Capsella bursa-pastoris John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53373 Siskiyou Grenada. Near the railroad station. 792 Comment
  CAS-BOT-BC376922  Taraxacum officinale John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53404 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC383244  Wyethia angustifolia John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53564 Siskiyou Yreka 822 Comment
  CAS-BOT-BC384749  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1952-6-14 28349 Siskiyou East of Etna on Ft. Jones - Callahan road Comment
  CAS-BOT-BC384755  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC384980  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53387 Siskiyou Yreka 792 Comment
  CAS-BOT-BC384981  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53375 Siskiyou 2 miles south of Grenada, Shasta Valley 762 Comment
  CAS-BOT-BC384982  Cerastium dichotomum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53571 Siskiyou Yreka 822 Comment
  CAS-BOT-BC388566  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 s.n. Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC388567  Holosteum umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada 822 Comment
  CAS-BOT-BC388568  Holosteum umbellatum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-28 53372 Siskiyou Grenada 792 Comment
  CAS-BOT-BC388885  Minuartia douglasii John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53439 Siskiyou Slope 7 miles east of Callahan on road to Gazelle 1173 Comment
  CAS-BOT-BC391752  Anemone John Thomas Howell 1939-8-8 15165 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC412615  Aconogonon alaskanum John Thomas Howell 1939-8-3 14976 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC41410  Draba verna John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53385 Siskiyou Yreka. 792 Comment
  CAS-BOT-BC418619  Polygonum majus John Thomas Howell 1939-8-4 15035 Siskiyou Between Elk Mt. and Marble River, Marble Mts. Comment
  CAS-BOT-BC422854  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle Comment
  CAS-BOT-BC429036  Micranthes nidifica John Thomas Howell 1980-4-30 53449 Siskiyou Yreka 792 Comment
  CAS-BOT-BC447515  Fragaria virginiana var. platypetala John Thomas Howell 1937-7-23 13361 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC447710  Aruncus dioicus var. vulgaris John Thomas Howell 1966-8-3 497 Siskiyou Marble Valley by creek; Marble Mts. 1792 Comment
  CAS-BOT-BC453681  Potamogeton gramineus John Thomas Howell 1939-8-9 15195 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC460987  Chenopodium atrovirens John Thomas Howell 1937-7-22 13316 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC462991  Allium bolanderi John Thomas Howell 1980-5-20 53560 Siskiyou Lightning Grade Road between Oro Fino and Fort Jones 868 Comment
  CAS-BOT-BC466130  Pyrola picta John Thomas Howell 1937-7-26 13520 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC466141  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC466142  Pyrola picta John Thomas Howell 1939-8-5 15073 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC467190  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1937-7-23 13351 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC469246  Allium falcifolium John Thomas Howell 1937-7-29 13526 . Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC471261  Cardamine cordifolia John Thomas Howell 1939-8-3 14993 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC478035  Allium validum John Thomas Howell 1937-7-23 13356 Siskiyou South Fork of Salmon River near the Big Flat 0 Comment
  CAS-BOT-BC478036  Allium validum John Thomas Howell 1939-8-3 14948 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC496372  Selaginella scopulorum John Thomas Howell 1937-7-26 13521 Siskiyou Salmon-Trinity Alps, Caribou Basin 2286 Comment
  CAS-BOT-BC499658  Kopsiopsis strobilacea John Thomas Howell 1939-8-6 15096 Siskiyou Marble Mts.: Elk Mt. Comment
  CAS-BOT-BC499825  Orobanche corymbosa subsp. corymbosa John Thomas Howell 1934-7-4 12387 Siskiyou SE corner of Siskiyou county: between Timbered Crater and Little Hot Springs Valley Comment
  CAS-BOT-BC500190  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  CAS-BOT-BC500191  Orobanche fasciculata John Thomas Howell 1939-8-4 15028 Siskiyou Marble Mts: between Elk Mt. and Marble River Comment
  CAS-BOT-BC500959  Clintonia uniflora John Thomas Howell 1937-7-22 13294 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC500960  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake 1828 Comment
  CAS-BOT-BC500971  Clintonia uniflora John Thomas Howell 1939-8-3 15015 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC500991  Dichelostemma multiflorum John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-5-21 53568 Siskiyou Yreka 822 Comment
  CAS-BOT-BC504472  Fritillaria recurva John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53391 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on raod to Fort Jones 1249 Comment
  CAS-BOT-BC504620  Hastingsia alba John Thomas Howell 1937-7-26 13531 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC505272  Fritillaria atropurpurea John Thomas Howell 1939-8-2 14896 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC5070  Valeriana sitchensis subsp. sitchensis John Thomas Howell 1939-8-8 15162 Siskiyou Black Mt., Marble Mts. Comment
  CAS-BOT-BC508256  Lilium columbianum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. Comment
  CAS-BOT-BC508654  Hastingsia alba John Thomas Howell 1939-8-3 14985 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC509377  Lilium kelleyanum John Thomas Howell 1939-8-3 14949 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC509378  Lilium kelleyanum John Thomas Howell 1939-8-7 15114 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC509383  Lilium kelleyanum John Thomas Howell 1937-7-21 13191 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC512765  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-24 13384 Siskiyou Caribou Basin, Salmon-Trinity Alps 2286 Comment
  CAS-BOT-BC512766  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1937-7-23 13372 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC512768  Maianthemum racemosum subsp. amplexicaule John Thomas Howell 1939-8-3 15013 Siskiyou Spirit Lake, Marble Mountains 1828 Comment
  CAS-BOT-BC514180  Maianthemum stellatum John Thomas Howell 1937-7-25 13463 Siskiyou Caribou Basin, Salmon-Trinity Alps Comment
  CAS-BOT-BC516428  Streptopus amplexifolius John Thomas Howell; Gordon H. True 1972-6-8 48859 Siskiyou South of summit on road from Takilma to Happy Camp Comment
  CAS-BOT-BC516439  Streptopus amplexifolius John Thomas Howell 1939-8-3 14992 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC516469  Stenanthium occidentale John Thomas Howell 1939-8-5 15070 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC519557  Triantha occidentalis subsp. occidentalis John Thomas Howell 1937-7-23 13371 Siskiyou Siskiyou: South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC527063  Veratrum viride var. eschscholzianum John Thomas Howell 1939-8-3 15018 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC529108  Veratrum californicum John Thomas Howell 1939-8-10 15284 Siskiyou Sky High Valley, Marble Mts. 1828 Comment
  CAS-BOT-BC530097  Viola lobata subsp. lobata John Thomas Howell 1937-7-29 13618 Siskiyou Scott Mountain, near county line with Trinity county Comment
  CAS-BOT-BC530142  Viola lobata subsp. integrifolia John Thomas Howell 1937-7-22 13268 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC534037  Zigadenus paniculatus John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53401 Siskiyou Forest Mountain Summit, 6 miles southwest of Yreka on road to Fort Jones 1249 Comment
  CAS-BOT-BC536225  Horkelia fusca var. parviflora John Thomas Howell 1939-8-8 15140 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  CAS-BOT-BC536226  Horkelia fusca var. parviflora John Thomas Howell 1937-7-21 13168 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC536911  Viola glabella John Thomas Howell 1939-8-3 14967 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC539693  Carex John Thomas Howell 1937-7-22 13322 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540567  Potentilla gracilis var. fastigiata John Thomas Howell 1939-8-2 14931 Siskiyou Spirit Lake, Marble Mts. 1828 Comment
  CAS-BOT-BC540568  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-23 13343 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC540569  Potentilla gracilis var. fastigiata John Thomas Howell 1937-7-22 13277 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  CAS-BOT-BC60768  Physaria occidentalis John Thomas Howell 1939-8-4 15053 Siskiyou Marble Rim. 1889 Comment
  CAS-BOT-BC64640  Sedum kiersteadiae John Thomas Howell 1937-7-29 13665 Siskiyou Scott Mt. between Trinity and Siskiyou Counties. Comment
  CAS-BOT-BC64644  Sedum oregonense John Thomas Howell 1937-7-26 13566 Siskiyou Between Big Flat and Caribou Gulch, Siskiyou Co. 2286 Comment
  CAS-BOT-BC64650  Sedum kiersteadiae John Thomas Howell 1942-7-2 16366 Siskiyou Bottom of Mud Creek Canyon, Mt. Shasta. Comment
  CAS-BOT-BC73637  Woodsia oregana John Thomas Howell; T. C. Fuller; G. D. Barbe 1980-4-29 53436 Siskiyou Shaded rocky bank along East Fork Scott River, 2 miles east of Callahan on road to Gazelle. 990 Comment
  CAS-BOT-BC84889  Artemisia campestris subsp. pacifica John Thomas Howell 1939-8-8 15177 Siskiyou Black Mt., Marble Mountains Comment
  CDA32674  Scribneria bolanderi J. T. Howell 1980-4-3 Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  CDA3419  Holosteum umbellatum J. T. Howell 1964-5-11 40699 Siskiyou Grenada. Comment
  CDA39676  Androsace elongata subsp. acuta J. T. Howell 1980-4-3 s.n. Siskiyou 10 miles south of Fort Jones on Scott Valley East Side Road. 0 Comment
  CDA40400  Phacelia mutabilis J. T. Howell 1939-8-2 14882 Siskiyou Spirit Lake, Marble Mountains. Comment
  HSC7172  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mtns., S of Marble Valley Comment
  HSC93996  Wyethia angustifolia J. T. Howell, T. C. Fuller, G. D. Barbe 1980-5-21 2785 Siskiyou W of Motel 6, S of town, N of Greenhorn Creek Rd., Yreka 823 Comment
  JEPS4546  Orthocarpus cuspidatus subsp. copelandii John Thomas Howell 1939-8-4 15034 Siskiyou between Elk Mt. and Marble Rim (Marble Mts.); , btw Elk Mt. and Marble Rim Comment
  JEPS88842  Galium arcuatum T. Howell 1886-1 137 Siskiyou Comment
  NY638943  Penstemon procerus var. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains Comment
  POM202878  Phlox hirsuta J. T. Howell, Alice Eastwood 1934-4-20 1751 Siskiyou Near Yreka on Fort Jones Road Comment
  POM230319  Epilobium brachycarpum J. T. Howell 1937-7-29 13648 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  POM254192  Carex spectabilis J. T. Howell 1939-8-9 15226 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  POM254198  Carex luzulina var. ablata J. T. Howell 1939-8-7 15120 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  POM254882  Carex preslii J. T. Howell 1939-8-8 15157 Siskiyou Marble Mountains: Black Mountain Comment
  POM259364  Epilobium brachycarpum J. T. Howell 1939-8-9 15237 Siskiyou Shackleford Creek Trail, Marble Mts. Comment
  POM259367  Ipomopsis congesta J. T. Howell 1939-8-4 15047 Siskiyou Marble Rim, Marble Mts Comment
  POM259368  Penstemon procerus subsp. brachyanthus J. T. Howell 1939-8-8 15184 Siskiyou Marble Mountains: Black Mountain. Comment
  POM259584  Vahlodea atropurpurea J. T. Howell 1939-8-3 s.n. Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  POM259593  Sedum obtusatum subsp. boreale J. T. Howell 1939-8-8 15141 Siskiyou Between Marble Valley and Sky High Valley, Marble Mts. Comment
  POM259605  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  POM259608  Astragalus purshii var. tinctus J. T. Howell 1939-8-4 15055 Siskiyou Marble Rim, Marble Mts 1890 Comment
  POM259609  Epilobium clavatum J. T. Howell 1939-8-8 15180 Siskiyou Marble Mountains: Black Mountain. Comment
  POM299318  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA0021150  Ribes lobbii J. T. Howell 1939-8-4 15057 Siskiyou Near Spirit Lake, Marble Mountains. 1829 Comment
  RSA0022720  Ribes nevadense var. glaucescens J. T. Howell 1937-7-26 13528 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0059500  Claytonia cordifolia J. T. Howell 1939-8-3 15012 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA0059699  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0059701  Picea breweriana J. T. Howell 1937-7-24 13413 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0063196  Heuchera merriamii John T. Howell 1937-7-24 13400 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA0063197  Heuchera merriamii John T. Howell 1939-8-2 14863 Siskiyou Spirit Lake, Marble Mts. Comment
  RSA101641  Mirabilis greenei Thomas Howell 1889-5-10 1386 Siskiyou Hornbrook. Comment
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Jul 29 2008
  RSA14934  Horkelia daucifolia J. T. Howell 1934-4-20 1752 Siskiyou Near Yreka on Fort Jones Road Comment
  RSA21827  Carex straminiformis J. T. Howell 1939-8-8 15149 A Siskiyou Marble Mountains: Black Mountain Comment
  RSA22036  Campanula rotundifolia J. T. Howell 1939-8-4 15046 Siskiyou Marble Rim, Marble Mts 1890 Comment
  RSA22057  Vahlodea atropurpurea J. T. Howell 1939-8-3 15003 Siskiyou Spirit Lake, Marble Mountains. 1829 Comment
  RSA22085  Juncus ensifolius J. T. Howell 1939-8-7 15129 Siskiyou Marble Mountain: Sky High Valley. 1829 Comment
  RSA22179  Gentiana calycosa J. T. Howell 1939-8-8 15145 Siskiyou Marble Mountains: Black Mountain. Comment
  RSA26220  Navarretia divaricata J. T. Howell 1937-7-27 13572 Siskiyou Salmon River near Big Flat 1524 Comment
  RSA46748  Castilleja arachnoidea J. T. Howell 1937-7-29 13659 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA74782  Phacelia pringlei J. T. Howell 1937-7-29 13612 Siskiyou Scott Mountain between Trinity and Siskiyou counties. Comment
  RSA81487  Castilleja arachnoidea subsp. arachnoidea J. T. Howell 1939-8-9 15221 Siskiyou Marble Mts, Ridge S of Marble Valley Comment
  RSA90949  Trifolium eriocephalum subsp. eriocephalum J. T. Howell 1937-7-23 13360 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  RSA91047  Carex preslii J. T. Howell 1937-7-24 13431 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA91574  Trifolium productum J. T. Howell 13402 Siskiyou Caribou Basin, Salmon-Trinity Alps 1982 Comment
  RSA91634  Carex deflexa var. boottii J. T. Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1982 Comment
  RSA94363  Madia citriodora J. T. Howell 1934-7-4 12410 Siskiyou Between Timbered Crater and Little Hot Springs Valley Comment
  RSA95170  Hieracium bolanderi J. T. Howell 1939-8-6 15097 Siskiyou Marble Mountains Comment
  RSA97052  Phacelia corymbosa J. T. Howell 1952-6-14 28339 Siskiyou Five and a half miles from Yreka on road to Fort Jones. Comment
  SEINET10463090  Campanula prenanthoides Howell 1937-7-26 Howell 13561 Siskiyou Between Big Flat and Caribou Gulch Comment
  SEINET10834035  Cupressus bakeri John Thomas Howell 1934-7-4 Howell 12386 Siskiyou Lava flow between Timbered Crater and Little Hot Springs Valley. Comment
  SEINET12044516  Tofieldia glutinosa J. T. Howell 1937-1 13371 Siskiyou South Fork of Salmon River near Big Flat 1524 Comment
  SEINET12087307  Anemone deltoidea J. T. Howell 1939-1 14927 Siskiyou Marble Mountains, Spirit Lake Comment
  SEINET7556577 Image available Carex deflexa var. boottii John Thomas Howell 1937-7-25 13486 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 Comment
  SEINET7561712 Image available Carex hoodii John Thomas Howell 1937-7-21 13196 Siskiyou South Fork of Salmon River near Big Flat. 1524 Comment
  SEINET7562450 Image available Carex integra John Thomas Howell 1939-8-7 15121 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  SEINET7564601 Image available Carex lenticularis var. impressa John Thomas Howell 1939-8-7 15128 Siskiyou Sky High Valley, Marble Mts. 1829 Comment
  SEINET7568499 Image available Carex multicostata John Thomas Howell 1939-8-6 15108 Siskiyou Marble Mts, Elk, Mt. Comment
  SEINET7568886 Image available Carex nigricans John Thomas Howell 1937-7-25 13487 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 Comment
  SEINET7569426 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-4-29 53432 Siskiyou Along East Fork Scott River 2 miles east of Callahan on road to Gazelle. 991 Comment
  SEINET7569430 Image available Carex nudata John Thomas Howell, T. C. Fuller, G. D. Barbe 1980-5-20 53559 Siskiyou East Fork Scott River 2 miles east of Callahan on road to Gazelle. 1006 Comment
  SEINET7575712 Image available Carex spectabilis John Thomas Howell 1939-8-8 15189 Siskiyou Black Mt, Marble Mts. Comment
  SEINET7584063 Image available Calliscirpus criniger John Thomas Howell 1937-7-24 13411 Siskiyou Caribou Basin, Salmon-Trinity Alps. 1981 Comment
  SEINET8410792  Carex pellita John Thomas Howell 1952-6-15 28359 Siskiyou 2 miles west of Montague Comment
  UC101220  Mirabilis greenei Thomas Howell May 1889 Siskiyou near Klamath River Comment
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Jun 12 2012
  UC1177351  Cirsium cymosum var. cymosum J. Thomas Howell 1952-6-14 28336 Siskiyou 2 mi from (on Fort Jones road) Yreka 807 Comment
  UC701259  Hieracium albiflorum John Thomas Howell 1939-8-6 15102 Siskiyou El, Mt. Marble Mts., Elk Mt. Comment
  UC813170  Picea breweriana John Thomas Howell Siskiyou Caribou Basin Comment
  UC849749  Eriogonum strictum var. proliferum John Thomas Howell 1937-7-29 13676 Siskiyou n slope of Scott Mountains Scott Mountains 1676 Comment
  UC849776  Eriogonum spergulinum var. reddingianum John Thomas Howell 1937-7-26 13561 A Siskiyou Salmon River Canyon between Big Flat and Caribou Gulch; Salmon River Canyon Comment
  UC880423  Phlox douglasii subsp. rigida John Thomas Howell 1937-7-29 13663 Siskiyou Scott Mt., between Trinity and Siskiyou counties Scott Mt. Comment
  UC9320  Isopyrum stipitatum Thos. Howell April, 1892 18 Siskiyou Colestein; Siskiyou Mts., Colestein Comment
  UCD113410  Horkelia daucifolia J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2656 Siskiyou Behind motel and restaurant at Old Hwy 99 and Greenhorn Road, south edge of Yreka. Comment
  UCD114086  Alyssum alyssoides John Thomas Howell 1952-6-14 2 Siskiyou Between Gazelle and Callahan. Comment
  UCD117779  Gilia latiflora subsp. davyi J. T. Howell; T. C. Fuller, G. D. Barbe 1980-5-20 2777 Siskiyou west of Motel 6, south of town, north of Greenhorn Creek Road, Yreka. 822 Comment
  UCD119747  Amsinckia menziesii J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-29 2582 Siskiyou Grenada. 800 Comment
  UCD140645  Carex microptera John Thomas Howell 1939-8-5 15082 Siskiyou Spirit Lake, Marble Mountains. 1828 Comment
  UCD96008  Papaver rhoeas John Thomas Howell 1952-6-14 28357 Siskiyou 2 miles west of Gazelle. Comment
  UCD98179  Holosteum umbellatum subsp. umbellatum John Thomas Howell 1964-5-11 40699 Siskiyou Grenada. 822 Comment
  UCD98180  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment
  UCD98181  Holosteum umbellatum subsp. umbellatum J. T. Howell; T. C. Fuller, G. D. Barbe 1980-4-28 2577 Siskiyou Grenada. 800 Comment



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