Monograph of the Plant Genus Porophyllum (Compositae: Helenicae)
Johnson, R. Roy (Raymond Roy), 1932-
Article
1969-01-31
The University of Kansas science bulletin
48
Issue: 7
225--268
New York Botanical Garden, LuEsther T. Mertz Library
English
[Lawrence], University of Kansas, [1926-1996]
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