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Lista de obras de Thomas Conrad Porter

Asa Gray correspondence. Senders Po-Q ⬇️

Harvard University Botany Libraries

Catalogue of the Bryophyta ⬇️

Boston,Ginn & company,1904. | Library of Congress

Catalogue of the Bryophyta (hepatics, anthocerotes and mosses) and Pteridophyta (ferns and fern-allies) found in Pennsylvania ⬇️

Boston, Ginn & Co., 1904.

Flora of Pennsylvania ⬇️

Boston,Ginn & Company,1903. | Library of Congress

Flora of Pennsylvania ⬇️

Boston,Ginn & Co.,1903. | New York Botanical Garden, LuEsther T. Mertz Library

Flora of Pennsylvania ⬇️

Boston, Ginn & Company, 1903.

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