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Clausen, Robert T. (Robert Theodore)

Public reference bibliography and cataloged PDF materials authored or published by Clausen, Robert T. (Robert Theodore).

Found 2 document(s) Page 1 of 1

Early Flowering of Plants in 1945

Year: 1945 • Source: zenodo.org • Size: 1016.2 KB • Listed PDF

(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided....
A NEW SPECIES OF NAJAS FROM THE HUDSON RIVER

Year: 1937 • Source: zenodo.org • Size: 1417 KB • Listed PDF

(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided....