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Book Details
Table of Contents
1. Revision of the genus Piqueria
2. Revision of the genus Ophryosporus
3. The genus Helogyne and its synonyms
4. Diagnoses and synonymy of Eupatorieae and of certain other Compositae which have been classed with them.
Edition Notes
Proceedings of the American Academy of Arts and Sciences, v. XLII, no. 1, 1906.
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