|
|
|
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
| Related Links (opens in a new window) |
|
Other Databases
|
|
|
|
|
|
|
|
|
