Erigeron compositus Pursh, var. discoideus Gray, forma trifidus (Hook.), stat. nov. E. trifidus Hook. Fl. Bor.-Am. ii. 17, t. cxx (1834)

M L Fernald

Published in Rhodora, in 1948, in volume 50, issue 597, pages 238-240

Date published:1948

BHL: 617500
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