Department of Biology
ESC 350
200 University Ave. W
Waterloo, Ontario, Canada N2L 3G1
Phone: (519) 888-4567 ext. 32569
Fax: (519) 746-0614
Grass-leaved Goldenaster
Pityopsis graminifolia (Michx.) Nutt. is the most common and widely distributed species of the genus occurring from Delaware and southern Ohio to Texas and south Florida (Semple 2006 FNA). One variety also occurs in Central America.
Semple and Bowers (1985) divided the species into five varieties based on leaf and pubescence traits.
Varieties with smaller heads:
- var. graminifolia
- Var. aequilifolia Bowers & Semple
- var. tenuifolia (Torr.) Semple & Bowers
Varieties with larger heads:
- var. latifolia (Fern.) Semple & Bowers
- var. tracyi (Small) Semple
Last update 31 October 2013 by J.C. Semple
© 2013 J.C. Semple, including all photographs unless otherwise indicated