Displaying 1 - 75 out of 94 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Bryoerythrophyllum recurvirostre (Hedw.) P.C.Chen | F. H. Knowlton 147 | 27 Aug 1889 | United States of America | Arizona | San Francisco Mt. | — | 348129 | ||
| Lathyrus arizonicus Britton | F. H. Knowlton 88 | 23 Aug 1889 | United States of America | Arizona | San Francisco Mountain, 11000 ft. | — | 8466 |
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| Bryum capillare Hedw. | F. H. Knowlton 146 | 27 Aug 1889 | United States of America | Arizona | West side of San Francisco… | — | 385599 | ||
| Grimmia ovalis (Hedw.) Lindb. | F. H. Knowlton 149 | 27 Aug 1889 | United States of America | Arizona | Coconino Co. W. side of… | — | 351289 | ||
| Astragalus humistratus var. humivagans (Rydb.) Barneby | F. H. Knowlton s.n. | 20 Aug 1889 | United States of America | Arizona | — | 01250252 |
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| Carex ebenea Rydb. | F. H. Knowlton 144 | 27 Aug 1889 | United States of America | Arizona | Coconino Co. San Francisco Mountain.… | — | 2263806 |
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| Bromus anomalus Rupr. ex E.Fourn. | F. H. Knowlton 17 | 17 Aug 1889 | United States of America | Arizona | San Francisco Mountain. | — | 1631635 |
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| Brachythecium collinum (Schleich. ex Müll.Hal.) Schimp. | F. H. Knowlton | 18 Aug 1889 | United States of America | Arizona | San Francisco Mts. | — | 545311 | ||
| Hypnum cupressiforme Hedw. | F. H. Knowlton 150 | — | United States of America | Arizona | W. side of San Francisco… | — | 638190 | ||
| Bryum angustirete Kindb. | F. H. Knowlton 148 | 27 Aug 1889 | United States of America | Arizona | West side of San Francisco… | — | 52825 | ||
| Astragalus adsurgens var. robustior Hook. | F. H. Knowlton 40 | 15 Jun 1896 | United States of America | Colorado | Colorado Springs | — | 01203767 |
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| Chenopodium incanum (S.Watson) A.Heller | F. H. Knowlton 100 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3337095 |
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| Abronia fragrans Nutt. ex Hook. | F. H. Knowlton 98 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3370453 |
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| Polemonium viscosum Nutt. | F. H. Knowlton 22 | 14 Jun 1896 | United States of America | Colorado | Pikes Peak | — | 3358265 |
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| Tripterocalyx micranthus (Torr.) Hook. | F. H. Knowlton 96 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3378667 |
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| Cymopterus humilis (Raf. ex Ser.) Tidestr. | F. H. Knowlton 20 | 14 Jun 1896 | United States of America | Colorado | Pike's Peak | — | 3456519 |
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| Selaginella standleyi Maxon | F. H. Knowlton 103 | 08 Sep 1903 | United States of America | Colorado | Larimer Co. 1 1/2 mi.… | — | 3506776 |
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| Phyla cuneifolia (Torr.) Greene | F. H. Knowlton 99 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3541272 |
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| Primula angustifolia Torr. | F. H. Knowlton 21 | 14 Jun 1896 | United States of America | Colorado | El Paso Co. Pike's Peak | — | 3679016 |
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| Geranium caespitosum E.James | F. H. Knowlton 38 | 15 Jun 1896 | United States of America | Colorado | El Paso Co. | — | 3712811 |
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| Croton texensis (Klotzsch) Müll.Arg. | F. H. Knowlton 95 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3974046 |
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| Sphaeralcea coccinea (Nutt.) Rydb. | F. H. Knowlton 87 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3972177 |
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| Euphorbia missurica var. intermedia Raf. | F. H. Knowlton 92 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 4010402 |
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| Eriogonum umbellatum Torr. var. umbellatum | F. H. Knowlton 66 | 17 Jun 1896 | United States of America | Colorado | Golden. South Table Mt. | — | 3149484 |
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| Aletes acaulis (Torr.) J.M.Coult. & Rose | F. H. Knowlton 76 | 17 Jun 1896 | United States of America | Colorado | Golden. South Table Mt. | — | 3365472 |
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| Claytonia megarhiza (A.Gray) Parry ex S.Watson | F. H. Knowlton 25 | 14 Jun 1896 | United States of America | Colorado | Pikes Peak summit | — | 3567919 |
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| Lupinus pusillus var. pusillus | F. H. Knowlton 97 | 26 Jun 1896 | United States of America | Colorado | Crow Creek. | — | 2601048 |
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| Psoralidium tenuiflorum (Pursh) Rydb. | F. H. Knowlton 101 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 2621921 |
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| Ranunculus cymbalaria Pursh | F. H. Knowlton 43 | 15 Jun 1896 | United States of America | Colorado | El Paso Co. | — | 2786244 |
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| Geum rossii var. turbinatum (Rydb.) C.L.Hitchc. | F. H. Knowlton 18 | 14 Jun 1896 | United States of America | Colorado | Saddle House, Pike's Peak | — | 2810240 |
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| Potentilla effusa Douglas ex Lehm. | F. H. Knowlton 88 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 2830486 |
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| Hymenoxys acaulis var. acaulis | F. H. Knowlton 89 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 2916791 |
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| Townsendia grandiflora Nutt. | F. H. Knowlton 61 | 17 Jun 1896 | United States of America | Colorado | Jefferson Co. South Table Mt. | — | 2922952 |
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| Machaeranthera tanacetifolia (Kunth) Nees | F. H. Knowlton 91 | 26 Jun 1896 | United States of America | Colorado | Crow Creek | — | 3070568 |
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| Symphyotrichum concolor (L.) G.L.Nesom | F. H. Knowlton s.n. | 11 Oct 1885 | United States of America | District of Columbia | Back of Mt. Hamilton. | — | 1826909 |
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| Equisetum arvense L. | F. H. Knowlton s.n. | 1887 | United States of America | District of Columbia | Washington D.C. RR embankment | — | 3509820 |
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| Nitella microcarpa A.Braun | F. H. Knowlton s.n. | before 30 Sep 1884 | United States of America | District of Columbia | eastern branch of the Potomac… | — | 02022127 |
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| Carex intumescens Rudge | F. H. Knowlton s.n. | 30 May 1897 | United States of America | Maryland | Prince George's Co. | — | 2192802 |
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| Calopogon tuberosus (L.) Britton, Sterns & Poggenb. var. tuberosus | F. H. Knowlton s.n. | 27 Jun 1897 | United States of America | Maryland | Laurel | — | 4013192 |
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| Pottia heimii (Hedw.) Hampe | F. H. Knowlton | 01 Jul 1888 | United States of America | Montana | Gallatin Co. Collected near the… | — | 563562 | ||
| Pottia heimii (Hedw.) Hampe | F. H. Knowlton | 01 Jul 1888 | United States of America | Montana | Gallatin Co. | — | 563556 | ||
| Bryum pseudotriquetrum (Hedw.) G.Gaertn., B.Mey. & Scherb. | F. H. Knowlton | 01 Jul 1888 | United States of America | Montana | Gallatin Co. Collected near the… | — | 419800 | ||
| Chara globularis Thuill. | F. H. Knowlton s.n. | Jul 1884 | United States of America | Vermont | Rutland Co. Brandon | — | 02017890 |
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| Chara vulgaris L. | F. H. Knowlton 3 | 20 Jul 1884 | United States of America | Vermont | Rutland Co. Brandon, in small… | — | 02019684 |
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| Solidago | F. H. Knowlton s.n. | Aug 1886 | United States of America | Vermont | Rutland Co. | — | 2374201 |
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| Bignonia capreolata L. | F. H. Knowlton s.n. | 21 Jun 1886 | United States of America | Virginia | Dutch Gap, James River | — | 2584259 |
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| Ceratodon purpureus (Hedw.) Brid. | F. H. Knowlton | 17 Jul 1888 | United States of America | Wyoming | Swan Lake Valley; Yellowstone National… | — | 322213 | ||
| Juniperus scopulorum Sarg. | F. H. Knowlton 164 | 10 Jul 1896 | United States of America | Wyoming | Lance Creek [probable orthography] | — | 18115 |
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| Penstemon glaber Pursh var. glaber | F. H. Knowlton 152 | 08 Jul 1896 | United States of America | Wyoming | Niobrara Co. 4 miles below… | — | 595825 |
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| Lupinus argenteus Pursh var. argenteus | F. H. Knowlton 116 | 28 Jun 1896 | United States of America | Wyoming | Lusk | — | 736615 |
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| Dalea candida var. oligophylla (Torr.) Shinners | F. H. Knowlton 125 | 04 Jul 1896 | United States of America | Wyoming | Lance Creek [?]. | — | 01258754 |
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| Achnatherum hymenoides (Roem. & Schult.) Barkworth | F. H. Knowlton 139 | 04 Jul 1896 | United States of America | Wyoming | Lance Creek [?]. | — | 1553168 |
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| Agrostis hyemalis (Walter) Britton, Sterns & Poggenb. | F. H. Knowlton s.n. | 09 Jul 1888 | United States of America | Wyoming | Swan Lake Valley. Yellowston National… | — | 1556233 |
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| Bouteloua gracilis (Kunth) Lag. ex Griffiths | F. H. Knowlton 141 | 04 Jul 1896 | United States of America | Wyoming | Lance Creek [?]. | — | 1643635 |
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| Poa nervosa (Hook.) Vasey | F. H. Knowlton s.n. | 23 Jul 1888 | United States of America | Wyoming | Swan Lake Valley, Yellowstone National… | — | 1792391 |
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| Carex microptera Mack. | F. H. Knowlton s.n. | 06 Jul 1888 | United States of America | Wyoming | Swan Lake Valley; Yellowstone National… | — | 2291159 |
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| Carex rostrata Stokes | F. H. Knowlton s.n. | 09 Jul 1888 | United States of America | Wyoming | Swan Lake Valley; Yellowstone National… | — | 2301180 |
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| Solidago missouriensis Nutt. | F. H. Knowlton 167 | 12 Aug 1896 | United States of America | Wyoming | Ham's Fork | — | 2353904 |
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| Salix exigua var. pedicellata (Andersson) Cronquist | F. H. Knowlton 166 | 14 Jul 1896 | United States of America | Wyoming | Lightning Creek. | — | 2415279 |
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| Cleome serrulata Pursh | F. H. Knowlton 102 | 26 Jun 1896 | United States of America | Wyoming | Crow Cree | — | 3177753 |
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| Lepidium ramosissimum A.Nelson | F. H. Knowlton 146 | 04 Jul 1896 | United States of America | Wyoming | [Laure?] Creek. | — | 3179323 |
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| Eremogone hookeri (Nutt.) W.A.Weber var. hookeri | F. H. Knowlton 103 | 28 Jun 1896 | United States of America | Wyoming | Lusk | — | 3226206 |
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| Ipomopsis aggregata (Pursh) V.E.Grant var. aggregata | F. H. Knowlton 182 | 12 Aug 1896 | United States of America | Wyoming | Ham's Fork | — | 3300278 |
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| Musineon tenuifolium Nutt. | F. H. Knowlton 108 | June [?]8, 1896 | United States of America | Wyoming | Lusk, | — | 3498122 |
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| Equisetum laevigatum A.Braun | F. H. Knowlton 155 | 08 Jul 1896 | United States of America | Wyoming | Converse Co. Lara Creek 4… | — | 3511311 |
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| Verbena bracteata Lag. & Rodr. | F. H. Knowlton 148 | 04 Jul 1896 | United States of America | Wyoming | Lance Creek | — | 3547982 |
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| Gentiana affinis Griseb. | F. H. Knowlton 181 | 12 Aug 1896 | United States of America | Wyoming | Harris Fork | — | 3579684 |
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| Gentiana affinis Griseb. | F. H. Knowlton 181 | 12 Aug 1896 | United States of America | Wyoming | Harris Fork | — | 3579686 |
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| Woodsia oregana D.C. Eaton | F. H. Knowlton 110 | 28 Jun 1896 | United States of America | Wyoming | Lusk | — | 3810776 |
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| Woodsia oregana D.C. Eaton | F. H. Knowlton 110 | 28 Jun 1896 | United States of America | Wyoming | Lusk | — | 3810777 |
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| Polanisia dodecandra var. trachysperma (Torr. & A.Gray) Iltis | F. H. Knowlton 153 | 08 Jul 1896 | United States of America | Wyoming | 4 m. below U.-L. Ranch | — | 3872071 |
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| Acer negundo var. interior (Britton) Sarg. | F. H. Knowlton 162 | 09 Jul 1896 | United States of America | Wyoming | [Lauce] Creek | — | 2486903 |
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| Pseudoroegneria spicata (Pursh) Á.Löve | F. H. Knowlton s.n. | 11 Jul 1888 | United States of America | Wyoming | Swan Lake Valley. Yellowstone Nat.… | — | 1811848 |
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| Sporobolus cryptandrus (Torr.) A.Gray | F. H. Knowlton 138 | 04 Jul 1896 | United States of America | Wyoming | Lance Creek | — | 1827529 |
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| Artemisia ludoviciana Nutt. subsp. ludoviciana | F. H. Knowlton 172 | 12 Aug 1896 | United States of America | Wyoming | Lincoln Co. Ham's Fork | — | 1907854 |
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