The comparative biology of the two closely-related species Penstemon tenuiflorus Pennell and P. hirsutus (L.) Willd. (Scrophulariaceae, section Graciles): III. Ecological life cycle, growth characteristics, and flowering requirements
- Richard K. Clements
- , Jerry M. Baskin
- , Carol C. Baskin
Research output: Contribution to journal › Article › peer-review
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