Displaying 201 - 275 out of 379 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Salix lasiolepis Benth. | P. Rubtzoff 612 | 18 Aug 1951 | United States of America | California | Sonoma Co. Uppermost part of… | — | 2453005 |
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| Salix lasiolepis Benth. | P. Rubtzoff 872 | 23 Mar 1952 | United States of America | California | Sonoma Co. Lower part of… | — | 2453006 |
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| Salix lasiolepis Benth. | P. Rubtzoff 714 | 02 Sep 1951 | United States of America | California | Sonoma Co. South of the… | — | 2453007 |
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| Juncus occidentalis Wiegand | P. Rubtzoff 1097 | 31 May 1952 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 2397337 |
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| Juncus patens E.Mey. | P. Rubtzoff 518 | 21 Jul 1951 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 2397614 |
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| Juncus bufonius L. | P. Rubtzoff 125 | 07 Jun 1951 | United States of America | California | Sonoma Co. Uppermost part of… | — | 2379864 |
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| Poa nemoralis L. | P. Rubtzoff 389 | 08 Jul 1951 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 1792141 |
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| Juncus arcticus subsp. littoralis (Engelm.) Hultén | P. Rubtzoff 1319 | 20 Jul 1952 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 2377539 |
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| Poa pratensis L. | P. Rubtzoff 1029 | 10 May 1952 | United States of America | California | Sonoma Co. Western branch of… | — | 1794268 |
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| Glyceria leptostachya Buckley | P. Rubtzoff 1120 | 31 May 1952 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 1775605 |
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| Paspalum distichum L. | P. Rubtzoff 718 | 02 Sep 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1765644 |
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| Glyceria elata (Nash) Hitchc. | P. Rubtzoff 160 | 09 Jun 1951 | United States of America | California | Sonoma Co. Forestville. The Pitkin… | — | 1775198 |
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| Rumex acetosella L. | P. Rubtzoff 375 | 07 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2407238 |
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| Lupinus nanus Douglas ex Benth. var. nanus | P. Rubtzoff 1028 | 10 May 1952 | United States of America | California | Sonoma Co. The Pitkin Marsh,… | — | 2599784 |
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| Erigeron philadelphicus L. | P. Rubtzoff 215 | 16 Jun 1951 | United States of America | California | Sonoma Co. northern half of… | — | 2093299 |
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| Agrostis | P. Rubtzoff 6580 | 29 Jun 1971 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 02704026 |
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| Rosa californica Cham. & Schltdl. | P. Rubtzoff 557 | 28 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2855396 |
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| Quercus lobata Née | P. Rubtzoff 836 | 24 Nov 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1470316 |
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| Andropogon virginicus L. | P. Rubtzoff 849 | 24 Nov 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1640385 |
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| Stellaria media (L.) Vill. | P. Rubtzoff 882 | 23 Mar 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3328337 |
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| Helenium puberulum DC. | P. Rubtzoff 537 | 22 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2883066 |
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| Geranium dissectum L. | P. Rubtzoff 516 | 21 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3713526 |
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| Rhynchospora californica Gale | P. Rubtzoff 326 | 01 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2861059 |
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| Campanula californica (Kellogg) A.Heller | P. Rubtzoff 333 | 01 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3728438 |
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| Toxicoscordion fontanum (Eastw.) Zomlefer & Judd | P. Rubtzoff 339 | 01 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3689597 |
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| Triteleia hyacinthina (Lindl.) Greene | P. Rubtzoff 108 | 02 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3573850 |
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| Galium trifidum subsp. columbianum (Rydb.) Hultén | P. Rubtzoff 98 | 02 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3469493 |
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| Epilobium ciliatum Raf. var. ciliatum | P. Rubtzoff 585 | 04 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3295894 |
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| Lythrum hyssopifolia L. | P. Rubtzoff 589 | 04 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3789859 |
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| Eryngium armatum (S.Watson) J.M.Coult. & Rose | P. Rubtzoff 599 | 05 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3464406 |
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| Epilobium densiflorum (Lindl.) Hoch & P.H.Raven | P. Rubtzoff 600 | 05 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3296390 |
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| Baccharis douglasii DC. | P. Rubtzoff 604 | 05 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1899215 |
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| Festuca rubra subsp. rubra | P. Rubtzoff 353 | 07 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1693920 |
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| Hypochaeris radicata L. | P. Rubtzoff 364 | 07 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2920742 |
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| Gamochaeta ustulata (Nutt.) Holub | P. Rubtzoff 115 | 07 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2873976 |
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| Veronica americana Schwein. ex Benth. | P. Rubtzoff 144 | 07 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3323335 |
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| Briza minor L. | P. Rubtzoff 154 | 09 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1631416 |
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| Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum | P. Rubtzoff 174 | 09 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1591759 |
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| Torreyochloa pallida var. pauciflora (J.Presl) J.I.Davis | P. Rubtzoff 178 | 09 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1830058 |
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| Cynodon dactylon (L.) Pers. | P. Rubtzoff 175 | 09 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1651416 |
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| Helenium bigelovii A.Gray | P. Rubtzoff 1031 | 10 May 1952 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2882336 |
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| Polypogon interruptus Kunth | P. Rubtzoff 437 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1811038 |
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| Lolium multiflorum Lam. | P. Rubtzoff 427 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1737404 |
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| Gnaphalium palustre Nutt. | P. Rubtzoff 447 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2875621 |
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| Eleocharis acicularis (L.) Roem. & Schult. | P. Rubtzoff 465 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2822122 |
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| Mimulus guttatus DC. | P. Rubtzoff 420 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3290863 |
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| Epilobium ciliatum Raf. var. ciliatum | P. Rubtzoff 442 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3295907 |
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| Epilobium ciliatum subsp. watsonii (Barbey) Hoch & P.H.Raven | P. Rubtzoff 436 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3296057 |
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| Epilobium densiflorum (Lindl.) Hoch & P.H.Raven | P. Rubtzoff 455 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3296392 |
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| Navarretia squarrosa (Eschsch.) Hook. & Arn. | P. Rubtzoff 449 | 14 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3342512 |
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| Crataegus douglasii Lindl. | P. Rubtzoff 755 | 15 Sep 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2733399 |
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| Perideridia gairdneri (Hook. & Arn.) Mathias | P. Rubtzoff 752 | 15 Sep 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3499100 |
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| Lythrum adsurgens Greene | P. Rubtzoff 209 | 16 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3789398 |
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| Thermopsis californica var. californica | P. Rubtzoff 634 | 18 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2639003 |
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| Quercus agrifolia Née | P. Rubtzoff 639 | 18 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1482618 |
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| Torreyochloa pallida var. pauciflora (J.Presl) J.I.Davis | P. Rubtzoff 649 | 19 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1830057 |
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| Berula erecta (Huds.) Coville | P. Rubtzoff 643 | 19 Aug 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 3366670 |
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| Lolium multiflorum Lam. | P. Rubtzoff 482 | 21 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1737400 |
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| Hordeum marinum subsp. gussoneanum (Parl.) Thell. | P. Rubtzoff 484 | 21 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1729703 |
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| Cyperus niger var. capitatus (Britton) O'Neill | P. Rubtzoff 494 | 21 Jul 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2815713 |
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| Rhododendron occidentale var. paludosum Jeps. | P. Rubtzoff 319 | 30 Jun 1951 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 2541540 |
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| Danthonia californica var. californica | P. Rubtzoff 1099 | 31 May 1952 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1587647 |
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| Briza maxima L. | P. Rubtzoff 1098 | 31 May 1952 | United States of America | California | Sonoma Co. Pitkin Marsh, near… | — | 1631294 |
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| Alopecurus L. | P. Rubtzoff 9811 | 23 Jul 1987 | United States of America | California | San Francisco Co. 191 Wawona… | — | 02144797 |
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| Lemna gibba L. | P. Rubtzoff 6106 | 05 Jul 1969 | United States of America | California | Sonoma Co. Pond 5.25 mi.… | — | 02703891 |
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| Wolffiella | P. Rubtzoff 6112 | 13 Jul 1969 | United States of America | California | Sonoma Co. Pond 5.25 mi.… | — | 02831505 |
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| Lemna gibba L. | P. Rubtzoff 6111 | 13 Jul 1969 | United States of America | California | Sonoma Co. Pond 5.25 mi.… | — | 02831508 |
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| Mentha spicata L. | P. Rubtzoff 2166 | 12 Oct 1955 | United States of America | California | Sonoma Co. Duncans Mills Marsh;… | — | 02641943 |
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| Fontinalis antipyretica Hedw. | P. Rubtzoff 2047 | 13 Aug 1955 | United States of America | California | Sonoma Co. Duncans Mills Marsh. | — | 1523407 | ||
| Fontinalis antipyretica Hedw. | P. Rubtzoff 6116 | 21 Jul 1969 | United States of America | California | Sonoma Co. Duncans Mills Marsh. | — | 1523408 | ||
| Wolffiella lingulata (Hegelm.) Hegelm. | P. Rubtzoff 5250 | 01 Sep 1963 | United States of America | California | Sonoma Co. Bennett Mountain Lake | — | 03700980 |
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| Juncus polyanthemus Buchenau | P. Rubtzoff 3708 | 18 Jun 1958 | United States of America | Hawaii | About 2.5 miles east-northeast of… | — | 663905 |
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| Juncus interior Wiegand x J. tenuis Willd. | P. Rubtzoff 6398 | 26 Sep 1970 | United States of America | California | San Francisco Co. Junction of… | — | 2403843 |
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| Chroogomphus vinicolor (Peck) O.K.Mill. | P. Rubtzoff s.n. | 27 Oct 1973 | United States of America | California | San Francisco Co. Presidio, San… | — | 1973010 |
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| Equisetum arvense L. | P. Rubtzoff 3138 | 17 Mar 1957 | United States of America | California | San Francisco Co. Bottom of… | — | 3510061 |
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