Difference between revisions of "Reference:Clevenger1963a"
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Latest revision as of 01:04, 27 July 2019
Verbatim text: Clevenger, S. and C. B. Heiser. 1963. Helianthus laetiflorus and Helianthus rigidus—hybrids or species? Rhodora 65: 121–133.
Author: Clevenger, S., Heiser, C.B.
Year: 1963
Title: Helianthus laetiflorus and Helianthus rigidus—hybrids or species?
Journal: Rhodora
Volume: 65
Pages: 121–133