Harvard Forest
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plant species
Field Sample Collections. Gramineae, Cyperaceae, Juncaceae, Salicaceae. From Arctic, Harvard Forest, Black Rock Forest, Cape Cod, etc
. 1939
Harvard Forest Flora Survey
. 2005-2008
Native Plant Trust survey
. 2021-2022
Some Biological Collections Seen During War-Time Travels
. 1943-1945
