Displaying 1 - 50 out of 641 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Penstemon clevelandii var. mohavensis (D.D.Keck) McMinn | A. M. Alexander 887 | 21 Mar 1940 | United States of America | California | Riverside Co. Barker Dam, 20… | — |
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| Pterostegia drymarioides Fisch. & C.A.Mey. | A. M. Alexander 1066 | 15 Apr 1940 | United States of America | California | Inyo Co. Mohave Desert. Great… | — |
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| Parietaria obtusa Rydb. ex Small | A. M. Alexander 1072 | 15 Apr 1940 | United States of America | California | Inyo Co. Mohave Desert. Great… | — |
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| Scrophularia floribunda Boiss. & Balansa | A. M. Alexander 1085 | 15 Apr 1940 | United States of America | California | Inyo Co. Mohave Desert. Great… | — |
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| Thysanocarpus laciniatus Nutt. ex Torr. & A.Gray | A. M. Alexander 1087 | 15 Apr 1940 | United States of America | California | Inyo Co. Mohave Desert. Great… | — |
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| Eschscholzia minutiflora S.Watson | A. M. Alexander 1130 | 18 Apr 1940 | United States of America | California | Inyo Co. Mohave Desert. Rocky… | — |
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| Penstemon pseudospectabilis M.E.Jones subsp. pseudospectabilis | A. M. Alexander 1197 | 22 Apr 1940 | United States of America | California | San Bernardino Co. On bank… | — |
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| Penstemon pseudospectabilis M.E.Jones subsp. pseudospectabilis | A. M. Alexander 1230 | 27 Apr 1940 | United States of America | California | San Bernardino Co. Whipple Mountains,… | — |
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| Dalea searlsiae (A.Gray) Barneby | A. M. Alexander 1401 | 11 May 1940 | United States of America | California | San Bernardino Co. Upper end… | — |
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| Penstemon eatonii var. undosus M.E.Jones | A. M. Alexander 1432 | 12 May 1940 | United States of America | California | San Bernardino Co. 4th of… | — |
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| Penstemon thompsoniae subsp. jaegeri D.D.Keck | A. M. Alexander 1440 | 13 May 1940 | United States of America | California | San Bernardino Co. Upper Fourth… | — |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | A. M. Alexander 1465 | 14 May 1940 | United States of America | California | San Bernardino Co. 4th of… | — |
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| Penstemon utahensis Eastw. | A. M. Alexander 1477 | 15 May 1940 | United States of America | California | San Bernardino Co. Keystone Canyon,… | — |
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| Potentilla crinita var. lemmonii (S.Watson) Kearney & Peebles | A. M. Alexander 1517 | 21 May 1940 | United States of America | Nevada | Clark Co. Hidden Forest; Sheep… | — |
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| Penstemon linarioides subsp. sileri (A.Gray) D.D.Keck x P. thompsoniae subsp. jaegeri D.D.Keck | A. M. Alexander 1581 | 29 May 1940 | United States of America | Nevada | Clark Co. Above Hayfork Spring,… | — |
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| Phacelia perityloides var. jaegeri Munz | A. M. Alexander 1613 | 31 May 1940 | United States of America | Nevada | Clark Co. In crevices of… | — |
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| Penstemon linarioides subsp. sileri (A.Gray) D.D.Keck x P. thompsoniae subsp. jaegeri D.D.Keck | A. M. Alexander 1703 | 11 Jun 1940 | United States of America | Nevada | Clark Co. Slope above Wire… | — |
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| Penstemon petiolatus Brandegee | A. M. Alexander 1737 | 17 Jun 1940 | United States of America | Nevada | Clark Co. Road to Mormon… | — |
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| Penstemon linarioides var. sileri A.Gray | A. M. Alexander 1752 | 18 Jun 1940 | United States of America | Nevada | Clark Co. Old Sawmill Site,… | — |
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| Purpusia saxosa Brandegee | A. M. Alexander 1772 | 22 Jun 1940 | United States of America | Nevada | Clark Co. Deadman's Canyon; Sheep… | — |
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| Penstemon petiolatus Brandegee | A. M. Alexander 1791 | 24 Jun 1940 | United States of America | Nevada | Clark Co. Deadmans Canyon, Hidden… | — |
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| Eremogone kingii var. glabrescens (S.Watson) Dorn | A. M. Alexander 1792 | 25 Jun 1940 | United States of America | Nevada | Clark Co. Above Deadman's Canyon,… | — |
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| Astragalus calycosus Torr. ex S.Watson var. calycosus | A. M. Alexander 1795 | 28 Jun 1940 | United States of America | Nevada | Clark Co. Hidden Forest, Sheep… | — |
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| Penstemon speciosus Douglas | A. M. Alexander 1827 | 03 Jul 1940 | United States of America | California | Mono Co. Highway south of… | — |
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| Penstemon rydbergii var. oreocharis (Greene) N.H.Holmgren | A. M. Alexander 1830 | 03 Jul 1940 | United States of America | California | Mono Co. Highway 12 miles… | — |
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| Penstemon rydbergii var. oreocharis (Greene) N.H.Holmgren | A. M. Alexander 1830 | 03 Jul 1940 | United States of America | California | Mono Co. Highway 12 miles… | — |
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| Keckiella breviflora var. glabrisepala (D.D.Keck) N.H.Holmgren | A. M. Alexander 1831 | 04 Jul 1940 | United States of America | California | Mono Co. On steep slope… | — |
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| Castilleja pilosa (S.Watson) Rydb. var. pilosa | A. M. Alexander 1836 | 04 Jul 1940 | United States of America | California | Mono Co. Leavitt Meadows. | — |
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| Castilleja exserta var. venusta (A.Heller) J.M.Egger | A. M. Alexander 2040 | 20 Apr 1941 | United States of America | California | San Bernardino Co. Mohave Desert;… | — |
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| Myriopteris parryi (D.C. Eaton) Grusz & Windham | A. M. Alexander 2061 | 22 Apr 1941 | United States of America | California | Riverside Co. North-facing slope; White… | — |
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| Penstemon clevelandii var. mohavensis (D.D.Keck) McMinn | A. M. Alexander 2120 | 04 May 1941 | United States of America | California | Riverside Co. Barker Dam | — |
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| Bernardia incana C.V.Morton | A. M. Alexander 2144 | 10 May 1941 | United States of America | California | Riverside Co. small canyon 3… | — |
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| Chaenactis stevioides Hook. & Arn. | A. M. Alexander 2149 | 11 May 1941 | United States of America | California | Riverside Co. 1.5 mi N… | — |
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| Bebbia juncea (Benth.) Greene | A. M. Alexander 2158 | 12 May 1941 | United States of America | California | Riverside Co. Colorado Desert. Road… | — |
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| Tetracoccus hallii Brandegee | A. M. Alexander 2171 | 14 May 1941 | United States of America | California | Riverside Co. Eagle Mountains. Edge… | — |
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| Bebbia juncea (Benth.) Greene | A. M. Alexander 2182 | 15 May 1941 | United States of America | California | Riverside Co. Edge of rock… | — |
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| Encelia frutescens var. actoni (Elmer) S.F.Blake | A. M. Alexander 2197 | 18 May 1941 | United States of America | California | Riverside Co. Colorado Desert. On… | — |
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| Psorothamnus arborescens var. simplifolius (Parish) Barneby | A. M. Alexander 2268 | 01 Jun 1941 | United States of America | California | San Bernardino Co. Morongo Valley,… | — |
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| Erigeron foliosus var. stenophyllus (Nutt.) A.Gray | A. M. Alexander 2282 | 02 Jun 1941 | United States of America | California | San Bernardino Co. Morongo Valley;… | — |
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| Penstemon spectabilis Thurb. ex A.Gray var. spectabilis | A. M. Alexander 2293 | 05 Jun 1941 | United States of America | California | San Bernardino Co. 2.5 miles… | — |
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| Penstemon stephensii Brandegee | A. M. Alexander 2344 | 11 Jun 1941 | United States of America | California | San Bernardino Co. Canyon southeast… | — |
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| Penstemon stephensii Brandegee | A. M. Alexander 2344 | 11 Jun 1941 | United States of America | California | San Bernardino Co. Canyon southeast… | — |
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| Potentilla patellifera J.T.Howell | A. M. Alexander 2355 | 14 Jun 1941 | United States of America | California | San Bernardino Co. Mohave Desert;… | — |
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| Penstemon fruitciformis var. amargosae (D.D.Keck) N.H.Holmgren | A. M. Alexander 2377 | 19 Jun 1941 | United States of America | California | San Bernardino Co. Mohave Desert.… | — |
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| Penstemon fruticiformis var. amargosae (D.D.Keck) N.H.Holmgren | A. M. Alexander 2377 | 19 Jun 1941 | United States of America | California | San Bernardino Co. Mojave Desert.… | — |
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| Ustilago mexicana Ellis & Everh. | A. M. Alexander 2383 | 26 Dec 1947 | United States of America | California | El Picacho de la Laguna,… | — |
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| Penstemon floridus Brandegee var. floridus | A. M. Alexander 2385 | 24 Jun 1941 | United States of America | Nevada | Esmeralda Co. 1.4 miles west… | — |
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| Penstemon floridus Brandegee var. floridus | A. M. Alexander 2385 | 24 Jun 1941 | United States of America | Nevada | Esmeralda Co. Mount Magruder; 1.4… | — |
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| Astragalus purshii var. tinctus M.E.Jones | A. M. Alexander 2443 | 29 Jun 1941 | United States of America | Nevada | Esmeralda Co. Northwest of slope… | — |
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| Lupinus brevicaulis S.Watson | A. M. Alexander 2447 | 29 Jun 1941 | United States of America | Nevada | Esmeralda Co. Northwest slope of… | — |
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