Displaying 276 - 350 out of 379 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Equisetum telmateia Ehrh. | P. Rubtzoff 3012 | 28 Oct 1956 | United States of America | California | San Francisco Co. Marsh on… | — | 3518362 |
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| Polypodium californicum Kaulf. | P. Rubtzoff 2202 | 17 Apr 1956 | United States of America | California | San Francisco Co. Presidio. Area… | — | 3792289 |
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| Polypodium californicum Kaulf. | P. Rubtzoff 3054 | 04 Nov 1956 | United States of America | California | San Francisco Co. Upper southern… | — | 3792355 |
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| Polypodium scouleri Hook. & Grev. | P. Rubtzoff 2534 | 28 May 1956 | United States of America | California | San Francisco Co. San Miguel… | — | 3792704 |
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| Pteridium aquilinum var. pubescens Underw. | P. Rubtzoff 2748 | 18 Aug 1956 | United States of America | California | Presidio, Northern slope of Lobos… | — | 3794042 |
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| Athyrium filix-femina subsp. cyclosorum (Rupr.) C.Chr. | P. Rubtzoff 2507 | 27 May 1956 | United States of America | California | San Francisco Co. San Miguel… | — | 3798146 |
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| Calycanthus occidentalis Hook. & Arn. | P. Rubtzoff 9446 | 26 May 1980 | United States of America | California | Sonoma Co. Russian River at… | — | 4212892 |
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| Callitriche verna L. | P. Rubtzoff 4896A | 13 Jun 1962 | United States of America | California | Sonoma Co. Freestone Marsh. | — | 4214434 |
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| Myrica californica (Cham. & Schltdl.) J.R.Baird | P. Rubtzoff 876 | 23 Mar 1952 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 4209482 |
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| Torreyochloa erecta (Hitchc.) G.L.Church | P. Rubtzoff 9655 | 27 Jun 1981 | United States of America | California | Santa Cruz Co. Whites Lagoon,… | — | 01829760 |
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| Utricularia vulgaris L. | P. Rubtzoff 9663 | 15 Jul 1981 | United States of America | California | El Dorado Co. Baldwin Beach… | — | 3754650 |
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| Drosera rotundifolia L. | P. Rubtzoff 352 | 7 Jul 1951 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 3838714 |
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| Typha domingensis Pers. | P. Rubtzoff 5659 | 17 Oct 1965 | United States of America | California | Sonoma Co. Bodega Head Marsh. | — | 02434113 |
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| Psoralea | P. Rubtzoff 7857 | 31 Aug 1974 | United States of America | California | Sonoma Co. Pressley Road, 0.25… | — | 04267432 |
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| Claytonia sibirica L. | P. Rubtzoff 5340 | 03 Jul 1964 | United States of America | California | Sonoma Co. Bodega Bay Marsh. | — | 3568569 |
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| Crypsis schoenoides (L.) Lam. | P. Rubtzoff 4756 | 20 Sep 1961 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 1651239 |
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| Polypogon australis Brongn. | P. Rubtzoff 4754 | 20 Sep 1961 | United States of America | California | Sonoma Co. Willow Creek Marsh. | — | 1810999 |
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| Torreyochloa pallida var. pauciflora (J.Presl) J.I.Davis | P. Rubtzoff 4633 | 17 Jun 1961 | United States of America | California | Sonoma Co. Bennett Mtn. Lake. | — | 1830046 |
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| Lonicera involucrata (Richardson) Banks ex Spreng. | P. Rubtzoff 1368 | 16 May 1953 | United States of America | California | Sonoma Co. Vacation Beach, near… | — | 2441874 |
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| Symphoricarpos | P. Rubtzoff 6143 | 24 Aug 1969 | United States of America | California | Sonoma Co. Pond on River… | — | 2458918 |
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| Pisolithus tinctorius (Mont.) E.Fisch. | P. Rubtzoff 6183 | 10 Sep 1969 | United States of America | California | Contra Costa Co. Base of… | — | 2760947 |
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| Lotus formosissimus Greene | P. Rubtzoff 4646 | 23 Jun 1961 | United States of America | California | Sonoma Co. Bernett [Bennett] Mountain… | — | 2581646 |
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| Lotus oblongifolius (Benth.) Greene | P. Rubtzoff 4518 | 25 Jun 1960 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 2582624 |
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| Melilotus indicus (L.) All. | P. Rubtzoff 6640 | 20 Aug 1971 | United States of America | California | Sonoma Co. 5 miles north… | — | 2615924 |
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| Melilotus indicus (L.) All. | P. Rubtzoff 5941 | 31 Aug 1968 | United States of America | California | Sonoma Co. Russian River bottom… | — | 2615925 |
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| Juncus L. | P. Rubtzoff 5564 | 24 Jun 1965 | United States of America | California | Solano Co. Three miles southwest… | — | 02641938 |
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| Panicum L. | P. Rubtzoff 5977 | 21 Sep 1968 | United States of America | California | Sonoma Co. Russian River bottom… | — | 02641939 |
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| Mentha spicata L. | P. Rubtzoff 2112 | 28 Aug 1955 | United States of America | California | Sonoma Co. Forestville Marsh. | — | 02641940 |
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| Mentha spicata L. | P. Rubtzoff 4557 | 14 Sep 1960 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 02641945 |
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| Mentha spicata L. | P. Rubtzoff 4696 | 24 Aug 1961 | United States of America | California | Sonoma Co. Fife Creek Marsh. | — | 02641946 |
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| Juncus effusus subsp. pacificus (Fernald & Wiegand) Lint ex Zika | P. Rubtzoff 6620 | 23 Jul 1971 | United States of America | California | Sonoma Co. Spring Hill Road,… | — | 02641947 |
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| Mentha spicata L. | P. Rubtzoff 5932 | 24 Aug 1968 | United States of America | California | Sonoma Co. Upper Salmon Creek… | — | 02641948 |
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| Cuscuta pentagona Engelm. | P. Rubtzoff 8414 | 28 Sep 1975 | United States of America | California | Sonoma Co. Russian River bank… | — | 02687194 |
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| Holocarpha heermannii (Greene) D.D.Keck | P. Rubtzoff 5550 | 26 May 1965 | United States of America | California | Solano Co. "Lagoon", 2 miles… | — | 02098988 |
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| Agrostis | P. Rubtzoff 5889 | 19 Jun 1968 | United States of America | California | Sonoma Co. Forest Hills (5.5… | — | 02704025 |
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| Digitaria | P. Rubtzoff 5597 | 16 Aug 1965 | United States of America | California | Sonoma Co. Russian River bottom… | — | 02704049 |
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| Paspalum | P. Rubtzoff 6647 | 23 Aug 1971 | United States of America | California | Sonoma Co. Spring Hill Road,… | — | 02721510 |
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| Lamiaceae | P. Rubtzoff 3964 | 01 Sep 1958 | United States of America | California | Sonoma Co. Guemeville region, Vacation… | — | 02721511 |
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| Baccharis | P. Rubtzoff 9220 | 01 Jul 1978 | United States of America | California | Mendocino Co. Along Russian River… | — | 02721512 |
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| Cyperus erythrorhizos Muhl. | P. Rubtzoff 2868 | 14 Sep 1956 | United States of America | California | Sonoma Co. Vacation Beach, near… | — | 2807463 |
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| Cyperus esculentus L. | P. Rubtzoff 5650 | 11 Sep 1965 | United States of America | California | Sonoma Co. Russian River margin… | — | 2813578 |
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| Cyperus esculentus L. | P. Rubtzoff 9858 | 27 Sep 1987 | United States of America | California | Sonoma Co. Russian River at… | — | 2813602 |
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| Rumex L. | P. Rubtzoff 6579 | 29 Jun 1971 | United States of America | California | Sonoma Co. Pitkin Marsh. Area… | — | 02831516 |
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| Juncus effusus L. | P. Rubtzoff 9079 | 05 Jul 1977 | United States of America | California | Fresno Co. Pond on southside… | — | 02831519 |
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| Echinochloa | P. Rubtzoff 7296 | 04 Sep 1973 | United States of America | California | Sonoma Co. Russian River at… | — | 02831524 |
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| Chenopodium L. | P. Rubtzoff 6209 | 02 Nov 1969 | United States of America | California | Sonoma Co. Russian River bottom… | — | 02831533 |
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| Ludwigia peploides (Kunth) P.H.Raven | P. Rubtzoff 4711 | 24 Aug 1961 | United States of America | California | Sonoma Co. Vacation Beach, 2… | — | 02831534 |
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| Mentha spicata L. | P. Rubtzoff 5936 | 24 Aug 1968 | United States of America | California | Sonoma Co. Forest Hills, 5.5… | — | 02831539 |
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| Echinochloa | P. Rubtzoff 8834 | 29 Aug 1976 | United States of America | California | Sonoma Co. Russian River at… | — | 02831547 |
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| Eleocharis radicans (Poir.) Kunth | P. Rubtzoff 2918 | 16 Sep 1956 | United States of America | California | Sonoma Co. Vacation Beach, near… | — | 2826670 |
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| Eleocharis radicans (Poir.) Kunth | P. Rubtzoff 5619 | 22 Aug 1965 | United States of America | California | Sonoma Co. Russian River margin… | — | 2826673 |
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| Potentilla douglasii Greene | P. Rubtzoff 4197 | 11 Jul 1959 | United States of America | California | Fresno Co. Sierra Nevada. Rancheria… | — | 2830311 |
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| Potentilla gracilis var. fastigiata (Nutt.) S.Watson | P. Rubtzoff 8851 | 18 Sep 1976 | United States of America | California | Nevada Co. Sierra Nevada; Lake… | — | 2838647 |
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| Potentilla | P. Rubtzoff 7540 | 04 Jun 1974 | United States of America | California | El Dorado Co. Near the… | — | 2847988 |
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| Potentilla | P. Rubtzoff 7560 | 05 Jun 1974 | United States of America | California | El Dorado Co. Near the… | — | 2847989 |
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| Prunus | P. Rubtzoff 4309 | 30 Apr 1960 | United States of America | California | Sonoma Co. Sonoma County Marshes;… | — | 2853740 |
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| Rosa L. | P. Rubtzoff 8674 | 23 Jun 1976 | United States of America | California | El Dorado Co. Sierra Nevada,… | — | 2864180 |
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| Rosa L. | P. Rubtzoff 8092 | 12 Jun 1975 | United States of America | California | El Dorado Co. Near the… | — | 2864181 |
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| Rosa L. | P. Rubtzoff 8091 | 12 Jun 1975 | United States of America | California | El Dorado Co. Near the… | — | 2864182 |
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| Rosa L. | P. Rubtzoff 8677 | 23 Jun 1976 | United States of America | California | El Dorado Co. Sierra Nevada,… | — | 2864183 |
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| Helenium puberulum DC. | P. Rubtzoff 4645 | 23 Jun 1961 | United States of America | California | Sonoma Co. Bennett Mountain Lake. | — | 2883011 |
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| Rubus | P. Rubtzoff 7729 | 19 Jul 1974 | United States of America | California | El Dorado Co. U.C. Blodgett… | — | 2895722 |
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| Persicaria lapathifolia (L.) Delarbre | P. Rubtzoff 5244 | 24 Aug 1963 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 3138153 |
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| Persicaria maculosa Gray | P. Rubtzoff 549 | 28 Jul 1951 | United States of America | California | Sonoma Co. Northern half of… | — | 3138476 |
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| Ludwigia peploides (Kunth) P.H.Raven | P. Rubtzoff 650 | 19 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3345032 |
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| Schoenoplectiella mucronata (L.) J.Jung & H.K.Choi | P. Rubtzoff 9290 | 15 Jul 1979 | United States of America | California | Sonoma Co. Knights Valley. Pond… | — | 663862 |
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| Populus alba L. | P. Rubtzoff 6882 | 03 Sep 1972 | United States of America | California | — | 2466539 |
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| Persicaria hydropiperoides (Michx.) Small | P. Rubtzoff 3789 | 20 Jul 1958 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 3158406 |
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| Plagiobothrys | P. Rubtzoff 6219 | 16 May 1970 | United States of America | California | Sonoma Co. 5 miles north… | — | 3249274 |
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| Saponaria L. | P. Rubtzoff 5634 | 05 Sep 1965 | United States of America | California | Sonoma Co. Forest Hills, 5.5… | — | 3266222 |
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| Saponaria L. | P. Rubtzoff 5849 | 18 Aug 1967 | United States of America | California | Sonoma Co. 6 miles east… | — | 3266224 |
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| Veronica anagallis-aquatica L. | P. Rubtzoff 6197 | 22 Oct 1969 | United States of America | California | Mendocino Co. Beach of Russian… | — | 3323633 |
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| Dysphania ambrosioides (L.) Mosyakin & Clemants | P. Rubtzoff 5647 | 11 Sep 1965 | United States of America | California | Sonoma Co. Russian River bottom… | — | 3347900 |
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| Amaranthus californicus (Moq.) S.Watson | P. Rubtzoff 5826 | 25 Sep 1966 | United States of America | California | Sonoma Co. Laguna de Santa… | — | 3363576 |
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| Amaranthus powellii S.Watson | P. Rubtzoff 6002 | 21 Nov 1968 | United States of America | California | Mendocino Co. Russian River beach… | — | 3364469 |
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