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Amphipappus
National Institutes of Health
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1974
1974
WOOD ANATOMY OF AMPHIACHYRIS, AMPHIPAPPUS, THUROVIA, GYMNOSPERMA, AND THE XANTHOCEPHALUM COMPLEX
J. Ruffin
1974
Corpus ID: 90864666
1974
1974
A TAXONOMIC RE-EVALUATION OF THE GENERA AMPHIACHYRIS, AMPHIPAPPUS, GREENELLA, GUTIERREZIA, GYMNOSPERMA, THUROVIA, AND XANTHOCEPHALUM (COMPOSITAE)
J. Ruffin
1974
Corpus ID: 90550595
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