THE GENUS ECHINACEA (ASTERACEAE): FLORAL, STEM, AND PETIOLE MORPHOLOGY
Keller, Harold W.
Article
2014
Journal of the Botanical Research Institute of Texas
8
Issue: 1
87--126
BioStor
Undetermined
Fort Worth, Tex Botanical Research Institute of Texas 2007-
BioStor: https://biostor.org/reference/249262 JSTOR: 26549344
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