Displaying 1 - 75 out of 30378 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Pleroma barbellatum P.J.F.Guim., D.Nunes & I.M.Araujo | H. S. Irwin 22307 | 20 Jan 1969 | Brazil | Minas Gerais | Ca. 20km SW of Diamantina.… | — | 00941882 |
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| Pleroma barbellatum P.J.F.Guim., D.Nunes & I.M.Araujo | H. S. Irwin 22397 | 21 Jan 1969 | Brazil | Minas Gerais | Serra do Espinhaço, ca. 20… | — | 00941883 |
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| Verbesina sordescens DC. | H. S. Irwin 11671 | 15 Jan 1966 | Brazil | Distrito Federal | Ca. 20 km S. of… | — | 856166 |
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| Penstemon barbatus (Cav.) Roth var. barbatus | I. W. Knobloch 838 | 10 Jul 1958 | Mexico | Chihuahua | San Juanito, 20 miles north… | — | 772642 |
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| Krascheninnikovia lanata (Pursh) A.Meeuse & A.Smit | I. H. Johnson J153 | 16 Jun 1938 | United States of America | Utah | Washington Co. 4 miles east… | — | 529247 |
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| Juniperus scopulorum Sarg. | I. H. Johnson J-87 | 27 Aug 1936 | United States of America | Utah | Iron Co. Dixie Forest | — | 18277 |
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| Vaccinium chihuahuense Wilbur & Luteyn | I. W. Knobloch 5791 | 01 Jun 1939 | Mexico | Chihuahua | Mojarachic [spelling ?]. | isotype | 10631 |
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| Penstemon campanulatus subsp. chihuahuensis Straw | I. W. Knobloch 323 | 18 Aug 1957 | Mexico | Chihuahua | Majalca, north of Chihuahua | — | 772924 |
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| Polemonium occidentale Greene | I. H. Johnson J-132 | 15 Jul 1937 | United States of America | Utah | Kane Co. Forest: Dixie. Slope:… | — | 00963061 |
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| Coccotrema pocillarium (Cumm.) Brodo | I. M. Brodo 12661 | 27 Jul 1967 | Canada | British Columbia | Queen Charlotte Islands, Graham Island,… | — | 1152239 |
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| Coccotrema pocillarium (Cumm.) Brodo | I. M. Brodo 26574 | 10 Jul 1988 | Canada | British Columbia | Queen Charlotte Islands, Graham Island,… | — | 1152238 |
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| Lecanora expallens Ach. | I. M. Brodo 17129 | 26 Jun 1971 | Canada | British Columbia | Queen Charlotte Islands, Moresby Island,… | — | 1152158 |
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| Ptilimnium nuttallii (DC.) Britton | I. W. Knobloch s.n. | 17 Jan 1931 | United States of America | Texas | Lee Co. Lincoln | — | 1163704 |
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| Eragrostis trichodes (Nutt.) Alph.Wood | I. A. Ungar 703 | 01 Oct 1958 | United States of America | Kansas | Stafford Co. | — | 1701043 |
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| Endotrichella irwinii E.B.Bartram | M. Irwin 199 | 13 Jan 1954 | Samoa | — | Afiamalu, Upolu | type | 1272664 |
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| Merremia | H. S. Irwin 13186 | 26 Feb 1966 | Brazil | Distrito Federal | Lagôa Feia, ca. 10 km… | — | 01081058 |
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| Pyrenula acutispora Kalb & Hafellner | I. M. Brodo 11600 | 15 Jul 1967 | Canada | British Columbia | Graham Island, west of Queen… | — | 01222968 |
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| Lepraria xerophila Tønsberg | I. M. Brodo 31947 | 16 Jun 2007 | United States of America | California | Santa Barbara Co. Santa Cruz… | — | 1236584 |
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| Agrostis stolonifera L. | I. A. Ungar 783 | 18 Jun 1959 | United States of America | Kansas | Stafford Co. | — | 1533161 |
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| Miconia pepericarpa DC. | H. S. Irwin 27393 | 11 Mar 1970 | Brazil | Minas Gerais | Ca. 5 km E. of… | — | 00924952 |
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| Annona monticola Mart. | H. S. Irwin 26009 | 04 Feb 1970 | Brazil | Minas Gerais | Paracatu Mun. Serra da Anta,… | — | 02431607 |
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| Panicum capillare L. | I. A. Ungar 699 | 01 Oct 1958 | United States of America | Kansas | Stafford Co. Found on road… | — | 1766934 |
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| Adiantum sinuosum Gardner | H. S. Irwin 14476 | 07 Apr 1966 | Brazil | Goiás | Posse Mun. Serra Geral de… | — | 891420 |
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| Spilanthes nervosa Chodat | H. S. Irwin 6773 | 12 Oct 1964 | Brazil | Mato Grosso | Vicinity of Xavantina: ca. 90… | — | 00846016 |
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| Panicum virgatum L. | I. A. Ungar 700 | 01 Oct 1958 | United States of America | Kansas | Stafford Co. South of prairie… | — | 1770293 |
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| Spilanthes nervosa Chodat | H. S. Irwin 8385 | 16 Sep 1965 | Brazil | Distrito Federal | Córrego Capoeira do Balsamo, ca.… | — | 00846028 |
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| Melampodium paniculatum Gardner | H. S. Irwin 18100 | 09 Jul 1966 | Brazil | Distrito Federal | Córrego Landim, ca. 25 km.… | — | 00846339 |
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| Poa pratensis L. | I. A. Ungar 766 | 01 Jun 1959 | United States of America | Kansas | Stafford Co. | — | 1793912 |
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| Sauvagesia L. | H. S. Irwin 23336 | 16 Feb 1969 | Brazil | Minas Gerais | Serra do Espinhaço, ca. 8… | — | 00972727 |
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| Adiantum sinuosum Gardner | H. S. Irwin 26069 | 05 Feb 1970 | Brazil | Minas Gerais | Paracatu Mun. Serra da Anta,… | — | 891431 |
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| Schultesia | H. S. Irwin 26461 | 21 Feb 1970 | Brazil | Distrito Federal | Brasília. Ca. 12 km S.… | — | 970412 |
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| Piper curtistilum C.DC. | H. S. Irwin 5030 | 02 Aug 1964 | Brazil | Pará | Ca. 20 km S. of… | — | 01421839 |
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| Cirsium undulatum (Nutt.) Spreng. | I. A. Ungar 1007 | 09 Jul 1960 | United States of America | Kansas | Stafford Co. | — | 2053680 |
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| Erigeron divergens var. cinereus A.Gray | I. W. Knobloch 1776 | 29 Jul 1961 | United States of America | Arizona | Apache Co. Canyon de Chelly… | — | 2087493 |
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| Chamaecrista | H. S. Irwin 8095 | 08 Sep 1965 | Brazil | Distrito Federal | Brasília. | — | 00979051 |
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| Datura stramonium L. | H. S. Irwin 26460 | 21 Feb 1970 | Brazil | Distrito Federal | Brasília. Ca. 12 km S.… | — | 911187 |
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| Amygdalaria continuosum Brodo & Hertel | I. M. Brodo | M. J. Shchepanek 10880A | 04 Jul 1967 | Canada | British Columbia | Moresby Island. Takakia Lake | isotype | 2012747 |
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| Tagetes patula L. | H. S. Irwin 10050 | 07 Nov 1965 | Brazil | Distrito Federal | Brasília. 3 km S. of… | — | 855946 |
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| Viguiera robusta Gardner | H. S. Irwin 12073 | 28 Jan 1966 | Brazil | Distrito Federal | Ca. 25 km E. of… | — | 856047 |
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| Guapira olfersiana (Link, Klotzsch & Otto) Lundell | H. S. Irwin 2303 | 20 Dec 1958 | Brazil | Minas Gerais | Viçosa Mun. State Agricultural School. | — | 02433515 |
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| Phthirusa | H. S. Irwin 27596 | 15 Mar 1970 | Brazil | Minas Gerais | Serra do Espinhaço, Ca. 23… | — | 01021966 |
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| Verbesina sordescens DC. | H. S. Irwin 11490 | 08 Jan 1966 | Brazil | Distrito Federal | Brasília. Riberão Bananal. | — | 856163 |
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| Bidens gardneri Baker | H. S. Irwin 26692 | 27 Feb 1970 | Brazil | Distrito Federal | Brasília. ca 1 km N… | — | 00750283 |
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| Adiantum sinuosum Gardner | H. S. Irwin 27265 | 09 Mar 1970 | Brazil | Minas Gerais | Middle slopes of Serra do… | — | 891425 |
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| Inga marginata Willd. | H. S. Irwin 48371 | 19 Sep 1960 | Brazil | Amapá | About 2 km. northeast of… | — | 01244305 |
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| Tagetes minuta L. | H. S. Irwin 15646 | 06 May 1966 | Brazil | Distrito Federal | Universidade de Brasília | — | 855956 |
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| Wedelia puberula DC. | H. S. Irwin 25834 | 01 Feb 1970 | Brazil | Minas Gerais | Serra dos Óculos, ca. 60… | — | 856105 |
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| Ocotea nutans (Nees) Mez | H. S. Irwin 28064 | 22 Mar 1970 | Brazil | Minas Gerais | Serra do Espinhaço, Ca. 20… | — | 00749995 |
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| Panicum cervicatum Chase | H. S. Irwin 14509 | 07 Apr 1966 | Brazil | Goiás | Posse Mun. Serra Geral de… | — | 00863891 |
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| Paspalum multinervium A.G.Burm. | H. S. Irwin 11259 | 13 Dec 1965 | Brazil | Distrito Federal | Brasília. Vicinity of Paranoá | — | 00895768 |
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| Jungia floribunda Less. | H. S. Irwin 15426 | 28 Apr 1966 | Brazil | Distrito Federal | Near Côrrego Taquari, E. of… | — | 859921 |
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| Echinolaena inflexa (Poir.) Chase | H. S. Irwin 9162 | 13 Oct 1965 | Brazil | Distrito Federal | Brasília. Between Brasília & Sobradinho | — | 00862205 |
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| Physalis angulata L. | H. S. Irwin 12236 | 03 Feb 1966 | Brazil | Distrito Federal | Brasília. | — | 911263 |
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| Heliconia hirsuta L.f. | H. S. Irwin 8890 | 03 Oct 1965 | Brazil | Distrito Federal | Brasília. Vicinity of Planaltina | — | 910123 |
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| Convolvulaceae | H. S. Irwin 5145 | 15 Aug 1964 | Brazil | Distrito Federal | Chapada da Contagem, ca. 20… | — | 01090662 |
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| Convolvulaceae | H. S. Irwin 5746 | 30 Aug 1964 | Brazil | Distrito Federal | Ca. 15 km E. of… | — | 01090664 |
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| Turnera paradoxa Arbo | H. S. Irwin 31354 | 03 Mar 1971 | Brazil | Bahia | On slopes of Espigão Mestre,… | holotype | 1185991 |
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| Turnera purpurascens Arbo | H. S. Irwin 12458a | 09 Feb 1966 | Brazil | Goiás | Chapada dos Veadeiros, ca. 20… | paratype | 1185997 |
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| Byttneria sagittifolia A.St.-Hil. | H. S. Irwin 27400A | 11 Mar 1970 | Brazil | Minas Gerais | Ca. 5 km E. of… | — | 00946792 |
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| Commelina benghalensis L. | H. S. Irwin 9519 | 24 Oct 1965 | Brazil | Distrito Federal | Universidade de Brasília | — | 872612 |
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| Prunus sellowii Koehne | H. S. Irwin 29472 | 31 Jan 1971 | Brazil | Minas Gerais | Ouro Preto Mun. Serra do… | — | 00922649 |
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| Paullinia tetragona Aubl. | H. S. Irwin 47619 | 18 Aug 1960 | Brazil | Amapá | Rio Oiapoque: opposite Pedra Alice | — | 01139775 |
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| Sagotia racemosa Baill. | H. S. Irwin 5019 | 02 Aug 1964 | Brazil | Pará | Ca. 20 km S. of… | — | 01477863 |
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| Chamaecrista | H. S. Irwin 22314 | 20 Jan 1969 | Brazil | Minas Gerais | Ca. 20km SW of Diamantina.… | — | 00979101 |
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| Cyperus distans L.f. | H. S. Irwin 22125 | 16 Jan 1969 | Brazil | Minas Gerais | Ca. 24km SW of Diamantina… | — | 00918998 |
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| Leandra | H. S. Irwin 22364 | 21 Jan 1969 | Brazil | Minas Gerais | Serra do Espinhaço, ca. 20… | — | 00909071 |
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| Genlisea filiformis A.St.-Hil. | H. S. Irwin 27575b | 15 Mar 1970 | Brazil | Minas Gerais | Serra do Espinhaço, ca. 25… | — | 929719 |
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| Cuscuta L. | H. S. Irwin 6279 | 19 Sep 1964 | Brazil | Distrito Federal | Cia. Fercal, ca. 20 km.… | — | 1014457 |
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| Viguiera robusta Gardner | H. S. Irwin 14788 | 14 apr 1966 | Brazil | Bahia | Near Rio Piau, ca. 150… | — | 801393 |
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| Viguiera robusta Gardner | H. S. Irwin 14787 | 14 apr 1966 | Brazil | Bahia | Near Rio Piau, ca. 150… | — | 801394 |
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| Commelina erecta L. | H. S. Irwin 14484 | 07 Apr 1966 | Brazil | Goiás | Posse Mun. Serra Geral de… | — | 872594 |
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| Ipomoea quamoclit L. | H. S. Irwin 26234a | 07 Feb 1970 | Brazil | Minas Gerais | Paracatu Mun. Serra da Anta,… | — | 1014040 |
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| Viguiera robusta Gardner | H. S. Irwin 15311 | 07 Apr 1966 | Brazil | Distrito Federal | Brasília. | — | 856048 |
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| Bidens rubifolia Kunth | H. S. Irwin 28782 | 20 Jan 1971 | Brazil | Minas Gerais | Serra do Espinhaço, summit and… | — | 00846107 |
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| Olyra latifolia L. | H. S. Irwin 5874 | 03 Sep 1964 | Brazil | Distrito Federal | Parque Municipal do Gama. Ca.… | — | 00863417 |
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