A Preliminary Conspectus of Heterotheca Section Pityopsis (Compositae)

Author:

Vernon L. Harms

Additional Authors:

Published:

December – 1969

Keywords:

Heterotheca, Pityposis, Compositae, graminifolia, aspera, oligantha, ruthii, flexousa, flacata

ABSTRACT
A preliminary taxonomic conspectus of Heterotheca (including Chrysopsis) section Pityopsis recognizing the six species:H. graminifolia, H. aspera, H. oligantha, H. ruthii, H. flexuosa, and H. falcata.