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A Taxonomic Study of the Calea Orizabaensis Complex and Its Bearing on the Nomenclature of Verbesina standleyi (Asteraceae)
James R. Wussow and Lowell E. UrbatschVolume:
30
Language:
english
Pages:
6
Journal:
Brittonia
DOI:
10.2307/2806354
Date:
October, 1978
File:
PDF, 763 KB
english, 1978