All Floras      Advanced Search
Fl. MO Vol. 2 Page 1570 Login | eFloras Home | Help
Fl. MO | Family List | Fl. MO Vol. 2 | Asteraceae | Helianthus

Helianthus rigidus (Cass.) Desf.

stiff sunflower, prairie sunflower

Synonyms
Helianthus laetiflorus Pers. var. rigidus (Cass.) Fernald, Helianthus pauciflorus Nutt.

Origin
Native

Citation
Heiser et al., 1969; Muehlenbach, 1983; Kartesz and Gandhi, 1990

Infra-Species
ssp. rigidus; ssp. subrhomboideus (Rydb.) Heiser, D.M. Sm., Clev. & W. Martin


 

 |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |