Howard Samuel Irwin

Howard Samuel Irwin

H.S.Irwin; Howard S. Irwin; Howard Samuel Irwin Jr.

March 28, 1928 – January 23, 2019

botanist, explorer, taxonomist

American botanist and taxonomist (1928-2019)

Wikidata iD http://www.wikidata.org/entity/Q4203096

https://en.wikipedia.org/wiki/Howard_S._Irwin [View]

Howard S. Irwin

United States

Irwin, Howard. 2025. Natural history specimens collected and/or identified and deposited. [Data set]. Zenodo. https://doi.org/10.5281/zenodo.8152602

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Scientific Name Collected By Identified By Date Collected Date Identified Family Institution Catalog Number Type Status Basis Of Record
collected Polygala herbiola A. St.-Hil. & Moq. H. S. Irwin, J. W. Grear Jr., R. Souza & R. Reis dos Santos 1966-05-31 Polygalaceae S S08-18616 type PRESERVED_SPECIMEN
collected Polygala irwinii Wurdack H. S. Irwin, J. W. Grear Jr., R. Souza & R. Reis dos Santos 1966-06-02 Polygalaceae S S-R-7509 type PRESERVED_SPECIMEN
collected Polygala hebeclada DC. H. S. Irwin, R. Souza & R. Reis dos Santos 1965-11-18 Polygalaceae S S08-18603 type PRESERVED_SPECIMEN
collected Miconia irwinii Wurdack Irwin, H. S.; Souza, R.; Grear, J. W.; Reis dos Santos, R. 1965-10-21 Melastomataceae S S05-3603 type PRESERVED_SPECIMEN
collected Miconia collatata Wurdack Irwin, H. S.; Souza, R.; Grear, J. W.; Reis dos Santos, R. 1966-06-29 Melastomataceae S S05-3451 type PRESERVED_SPECIMEN
collected Leandra subobruta Wurdack H. S. Irwin, J. W. Grear, Jr., R. Souza & R. Reis dos Santos 1966-05-27 Melastomataceae S S05-3360 type PRESERVED_SPECIMEN
collected Dimerostemma grazielae H. Rob. H. S. Irwin, J. W. Grear, Jr., R. Souza, R. Reis dos Santos 1966-02-15 Asteraceae S S07-12555 type PRESERVED_SPECIMEN
collected identified Trichostomum H. S. IRWIN H. S. IRWIN 1971-02-21 00:00:00+00 1971-02-21T00:00 Pottiaceae AADC ADT-10021* PRESERVED_SPECIMEN
collected identified Trachyphyllum H. S. IRWIN H. S. IRWIN 1971-03-24 00:00:00+00 1971-03-24T00:00 Pylaisiadelphaceae AADC ADT-12136 PRESERVED_SPECIMEN
collected Weissia controversa H. S. IRWIN 1971-02-15 00:00:00+00 1971-02-15T00:00 Pottiaceae AADC ADT-10056 PRESERVED_SPECIMEN
collected Byttneria petiolata Cristóbal H.S. Irwin 1966 Malvaceae AU H.S.Irwin16316 0 PRESERVED_SPECIMEN
collected Byttneria irwinii Cristóbal H.S. Irwin 1966 Malvaceae AU H.S.Irwin16488 0 PRESERVED_SPECIMEN
collected Dichapetalum schulzii Prance H.S. Irwin 1963 Dichapetalaceae AU H.S.Irwin54582 0 PRESERVED_SPECIMEN
collected Esenbeckia irwiniana Kaastra H.S. Irwin 2 Rutaceae AU H.S.Irwin23415 0 PRESERVED_SPECIMEN
collected Marcetia bahiensis (Brade & Markgr.) Wurdack H.S. Irwin S.S.Renner / 1989 Melastomataceae AU H.S.Irwin30685 0 PRESERVED_SPECIMEN
collected Peixotoa bahiana C.E.Anderson H.S. Irwin 1966 Malpighiaceae AU H.S.Irwin14889 0 PRESERVED_SPECIMEN
collected Rhynchospora dissitispicula T. Koyama H.S. Irwin 1966 Cyperaceae AU H.S.Irwin12935 0 PRESERVED_SPECIMEN
collected Stachytarpheta candida Moldenke H.S. Irwin 1966 Verbenaceae AU H.S.Irwin12393 0 PRESERVED_SPECIMEN
collected Tibouchina splendens Todzia H.S. Irwin 4 Melastomataceae AU H.S.Irwin14823 0 PRESERVED_SPECIMEN
collected Vernonia soderstromii H. Rob. H.S. Irwin 1964 Asteraceae AU H.S.Irwin7334 0 PRESERVED_SPECIMEN
collected Jacquemontia sphaerostigma Rusby H.S. Irwin D.F. Austin 1978 1969 Convolvulaceae AU H.S.Irwin24789 PRESERVED_SPECIMEN
collected Dilkea H.S. Irwin Linda K. Escobar 1963 Passifloraceae AU H.S.Irwin55755 PRESERVED_SPECIMEN
collected Bertiera diversiramea Steyerm. Irwin,H.S., Prance,G.T., Soderstrom,T.R. & Holmgren,N. 1963-09-01 Rubiaceae B B 10 0248168 PRESERVED_SPECIMEN
collected Cambessedesia espora DC. Irwin,H.S., Onishi,E., da Fonsêca,S.F., Souza,R., Reis dos Santos,R. & Ramos,J. J. J. Wurdack 1970-02-06 Melastomataceae B B 10 0217349 PRESERVED_SPECIMEN
collected Celtis iguanaea (Jacq.) Sarg. Irwin,H.S., Maxwell,H. & Wasshausen,D.C. 1968-01-25 Cannabaceae B B 10 0066604 PRESERVED_SPECIMEN
collected Cnidoscolus Irwin Euphorbiaceae B B 10 0146547 PRESERVED_SPECIMEN
collected Cnidoscolus Irwin Euphorbiaceae B B 10 0146548 PRESERVED_SPECIMEN
collected Cnidoscolus stimulosus Irwin Euphorbiaceae B B 10 0146557 PRESERVED_SPECIMEN
collected Crotalaria flavicoma Irwin 1966-03-28 Fabaceae B B 10 0002328 PRESERVED_SPECIMEN
collected Crotalaria flavicoma Irwin 1970-02-03 Fabaceae B B 10 0002329 PRESERVED_SPECIMEN