Department of Biology
ESC 350
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Heterotheca villosa var. villosa is the typical variety of the species and has more-hairy, less glandular leaves. It occurs at both diploid and tetraploid levels. It occurs across the northern Great Plains into the Rocky Mts. to British Columbia, Washington, and northern Oregon. In the northeastern part of the range it can be similar to var. ballardii.
Last update 19 May 2023 by J.C. Semple
© 2023 J.C. Semple, including all photographs unless otherwise indicated