Displaying 26 - 100 out of 107 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Astragalus lentiginosus var. coachellae Barneby | M. F. Spencer 743 | 04 Apr 1918 | United States of America | California | Riverside Co. Palm Springs | — |
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| Astragalus trichopodus var. lonchus (M.E.Jones) Barneby | M. F. Spencer 1087 | 22 Apr 1919 | United States of America | California | Canyon near San Diego | — |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | M. F. Spencer 829 | 27 Mar 1918 | United States of America | California | Riverside Co. Palm Springs | — |
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| Panicum urvilleanum Kunth | M. F. Spencer 1311 | 17 Jun 1919 | United States of America | California | Riverside Co. San Jacinto | — |
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| Acamptopappus sphaerocephalus var. hirtellus S.F.Blake | M. F. Spencer 449 | 20 May 1917 | United States of America | California | In desert sand, Hesperia, Mohave… | — |
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| Agoseris grandiflora (Nutt.) Greene var. grandiflora | M. F. Spencer 1157 | 31 May 1919 | United States of America | California | San Diego Co. Edge of… | — |
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| Agoseris grandiflora (Nutt.) Greene var. grandiflora | M. F. Spencer 1346 | 28 Jun 1919 | United States of America | California | Edge of woods | — |
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| Agoseris heterophylla (Nutt.) Greene var. heterophylla | M. F. Spencer 1175 | 24 May 1919 | United States of America | California | San Diego Co. Mesa Grande | — |
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| Agoseris retrorsa (Benth.) Greene | M. F. Spencer 494 | 31 May 1917 | United States of America | California | San Diego Co. Pine Hills | — |
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| Ambrosia ambrosioides (Cav.) Payne | M. F. Spencer 910 | Nov 1918 | United States of America | California | San Diego Co. near San… | — |
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| Cirsium californicum A.Gray | M. F. Spencer 20 | 4-11-1916 | United States of America | California | San Diego Co. | — |
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| Cirsium scariosum Nutt. | M. F. Spencer 474 | 04 Jun 1917 | United States of America | California | San Diego Co. Pine Hills. | — |
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| Erigeron foliosus var. covillei (Greene) Compton | M. F. Spencer 400 | 17 May 1917 | United States of America | California | San Bernardino Co. Mohave Desert;… | — |
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| Erigeron foliosus var. foliosus | M. F. Spencer 1269 | 25 Jun 1919 | United States of America | California | Riverside Co. San Jacinto Mountain;… | — |
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| Erigeron foliosus var. stenophyllus (Nutt.) A.Gray | M. F. Spencer 1201 | 19 Jun 1919 | United States of America | California | Riverside Co. San Jacinto Mts.;… | — |
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| Erigeron foliosus var. stenophyllus (Nutt.) A.Gray | M. F. Spencer 52 | 28 May 1916 | United States of America | California | San Diego Co. vicinity of… | — |
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| Erigeron foliosus var. stenophyllus (Nutt.) A.Gray | M. F. Spencer 932 | 25 Jul 1918 | United States of America | California | San Diego Co. Laguna Mt.;… | — |
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| Erigeron foliosus var. stenophyllus (Nutt.) A.Gray | M. F. Spencer 929 | 25 Jul 1918 | United States of America | California | San Diego Co. Laguna Mts.;… | — |
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| Erigeron spinosus Benth. | M. F. Spencer 963 | 28 Jul 1918 | United States of America | California | San Diego Co. near Mexican… | — |
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| Carex fracta Mack. | M. F. Spencer 1198 | 19 Jun 1919 | United States of America | California | Edge of woods, Idyllwild. San… | — |
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| Carex triquetra Boott | M. F. Spencer 1141 | 17 May 1919 | United States of America | California | Above Arrowhead Hot Spring near… | — |
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| Carex triquetra Boott | M. F. Spencer 1365 | 08 Apr 1919 | United States of America | California | San Diego Co. Golden Hill… | — |
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| Solidago californica Nutt. | M. F. Spencer 300 | 24 Aug 1916 | United States of America | California | San Diego Co. Pine Hills | — |
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| Solidago californica Nutt. | M. F. Spencer 1039 | 06 Oct 1918 | United States of America | California | San Diego Co. Alpine | — |
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| Solidago californica Nutt. | M. F. Spencer 955 | 17 Aug 1918 | United States of America | California | San Diego Co. Palomar Mt. | — |
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| Juncus effusus subsp. austrocalifornicus Lint | M. F. Spencer 1187 | 06 Jun 1919 | United States of America | California | San Diego Co. Mesa Grande | — |
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| Juncus macrophyllus Coville | M. F. Spencer 1283 | 02 Jul 1919 | United States of America | California | Near brook, Idylwild. San Jacinto… | — |
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| Juncus xiphioides E.Mey. | M. F. Spencer 81 | 11 Jul 1916 | United States of America | California | San Diego Co. Margins of… | — |
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| Rumex hymenosepalus Torr. | M. F. Spencer 141 | 27 Apr 1916 | United States of America | California | San Diego Co. Vicinity of… | — |
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| Salix exigua subsp. melanopsis (Nutt.) Cronquist | M. F. Spencer 812 | 07 Apr 1918 | United States of America | California | Riverside Co. In desert sand,… | — |
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| Salix laevigata Bebb | M. F. Spencer 814 | 16 Apr 1918 | United States of America | California | San Bernardino Co. Canyon west… | — |
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| Salix lasiolepis Benth. | M. F. Spencer 1061 | 09 Mar 1919 | United States of America | California | San Diego Co. Wayside near… | — |
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| Salix nigra var. venulosa (Andersson) Bebb | M. F. Spencer 813 | 08 Apr 1918 | United States of America | California | Riverside Co. Palm Springs | — |
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| Salix parishiana Rowlee | M. F. Spencer 911 | 13 Jul 1918 | United States of America | California | Sweetwater Valley. | — |
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| Salix parishiana Rowlee | M. F. Spencer 1058 | 09 Mar 1919 | United States of America | California | San Diego Co. Wayside near… | — |
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| Cornus occidentalis (Torr. & A.Gray) Coville | M. F. Spencer 890 | 15 Jun 1918 | United States of America | California | San Diego Co. Cuyamaca | — |
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| Arctostaphylos drupacea J.F.Macbr. | M. F. Spencer 506 | 29 May 1917 | United States of America | California | San Diego Co. Wayside near… | — |
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| Arctostaphylos tomentosa (Pursh) Lindl. | M. F. Spencer 9 | 04 Sep 1916 | United States of America | California | Vicinity of San Diego. In… | — |
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| Rhus integrifolia (Nutt.) Benth. & Hook.f. ex W.H.Brewer & S.Watson | M. F. Spencer 280 | 31 Jan 1917 | United States of America | California | San Diego Co. In canyons… | — |
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| Chilopsis linearis subsp. arcuata (Fosberg) Henrickson | M. F. Spencer 800 | 8 Apr, 27 Apr, 1918 | United States of America | California | Fr. Palm Springs, Riverside Co.;… | — |
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| Vicia americana var. truncata (Nutt. ex Torr. & A.Gray) Brewer ex S.Watson | M. F. Spencer 1321 | 23 May 1919 | United States of America | California | San Diego Co. Mesa Grande | — |
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| Lupinus affinis J.Agardh | M. F. Spencer 1056 | 26 Feb 1919 | United States of America | California | San Diego Co. Encanto. | — |
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| Lupinus albifrons Benth. | M. F. Spencer 1195 | 19 Jun 1919 | United States of America | California | Riverside Co. In open woods.… | — |
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| Lupinus albifrons Benth. | M. F. Spencer 380 | 24 Apr 1917 | United States of America | California | San Bernardino Co. Near summit… | — |
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| Lupinus chamissonis Eschsch. | M. F. Spencer 751 | 05 May 1918 | United States of America | California | San Diego Co. Field near… | — |
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| Lupinus concinnus var. concinnus | M. F. Spencer 414 | 21 Apr 1917 | United States of America | California | Hesperia. | — |
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| Lupinus concinnus var. agardhianus (A.Heller) C.P.Sm. | M. F. Spencer 393 | 12 May 1917 | United States of America | California | San Bernardino Co. At summit… | — |
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| Lupinus densiflorus var. austrocollium C.P.Sm. | M. F. Spencer 1092 | 03 May 1919 | United States of America | California | San Diego Co. Hills E… | — |
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| Lupinus longifolius (S.Watson) Abrams | M. F. Spencer 1177 | 24 May 1919 | United States of America | California | San Diego Co. Mesa Grande. | — |
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| Lupinus longifolius (S.Watson) Abrams | M. F. Spencer 229 | 18 Mar 1917 | United States of America | California | San Diego Co. In desert… | — |
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| Lupinus microcarpus Sims | M. F. Spencer 870 | 05 Jun 1918 | United States of America | California | San Diego Co. Fields near… | — |
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| Lupinus sitgreavesii S.Watson | M. F. Spencer 1281 | 06 Jul 1919 | United States of America | California | San Jacinto Mts. | — |
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| Lupinus | M. F. Spencer 873 | 16 Apr 1918 | United States of America | California | San Bernardino Co. West side… | — |
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| Lilium parryi S.Watson | M. F. Spencer 1235 | 3 Jul 1919 | United States of America | California | Riverside Co. Margin of brooks.… | — |
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| Allium haematochiton S.Watson | M. F. Spencer 535 | 10 Jun 1917 | United States of America | California | San Diego Co. In the… | — |
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| Euphorbia melanadenia Torr. | M. F. Spencer 810 | 04 May 1918 | United States of America | California | San Diego Co. In desert… | — |
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| Croton setiger Hook. | M. F. Spencer 51 | 03 Jun 1916 | United States of America | California | San Diego Co. In sandy… | — |
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| Rumex salicifolius var. denticulatus Torr. | M. F. Spencer 1091 | 22 Apr 1919 | United States of America | California | San Diego Co. Canyon near… | — |
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| Cannabis sativa L. | M. F. Spencer 887 | 12 Jun 1918 | United States of America | California | San Diego Co. San Diego | — |
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| Euphorbia albomarginata Torr. & A.Gray | M. F. Spencer 552 | 27 Apr 1917 | United States of America | California | Mohave Desert | — |
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| Stillingia linearifolia S.Watson | M. F. Spencer 811 | 07 Apr 1918 | United States of America | California | In desert sand. Palm Springs | — |
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| Cirsium californicum A.Gray | M. F. Spencer 793 | 10 May 1918 | United States of America | California | San Diego Co. Point Loma | — |
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| Batis maritima L. | M. F. Spencer 808 | 17 Mar 1918 - 25 May 1918 | United States of America | California | San Diego Co. In the… | — |
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| Allium praecox Brandegee | M. F. Spencer 3 | 22 Feb 1916 | United States of America | California | Vicinity of San Diego. | — |
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| Allium praecox Brandegee | M. F. Spencer 885 | 31 May 1918 | United States of America | California | San Diego Co. Vicinity of… | — |
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| Lupinus densiflorus var. densiflorus | M. F. Spencer 96 | 19 Apr 1916 | United States of America | California | Vicinity of San Diego. In… | — |
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| Lupinus latifolius Lindl. ex J.Agardh | M. F. Spencer 97 | 30 May 1916 | United States of America | California | San Diego Co. Granite. In… | — |
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| Lupinus micranthus var. micranthus | M. F. Spencer 98 | 3/23/1916; 4/25/1916 | United States of America | California | Vicinity of San Diego. | — |
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| Lupinus odoratus var. odoratus | M. F. Spencer 367 | 09 May 1917 | United States of America | California | Near Victorville, Mohave Desert. | — |
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| Lupinus truncatus var. truncatus | M. F. Spencer 99 | 4/1/1916; 4/20/1916 | United States of America | California | San Diego Co. San Diego. | — |
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| Potentilla gracilis var. fastigiata (Nutt.) S.Watson | M. F. Spencer 1184 | 11 Jun 1919 | United States of America | California | San Diego Co. Cuyamaca | — |
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| Prunus fasciculata (Torr.) A.Gray | M. F. Spencer 366 | 12 May 1917 | United States of America | California | San Bernardino Co. Summit, El… | — |
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| Prunus fasciculata (Torr.) A.Gray | M. F. Spencer 799 | 17 Apr 1918 | United States of America | California | San Bernardino Co. In dry… | — |
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| Prunus fremontii S.Watson | M. F. Spencer 759 | 27 Mar 1918 | United States of America | California | Riverside Co. In desert sand,… | — |
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| Prunus fremontii S.Watson | M. F. Spencer 236 | Fl. 18 Mar. 1917. Fr. 1 Apr. | United States of America | California | San Diego Co. Colorado Desert. | — |
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