| Helianthus occidentalis Riddell |
| Currently Accepted Name: | Helianthus occidentalis Riddell subsp. occidentalis |
| Herbarium Name Used: | Helianthus occidentalis var. illinoensis (gleason) Gates |
| Locality: | USA. Indiana. Jasper: Black-oak sand ridge along rd. 53, 3.9 mi s Kankakee River |
| Habitat: | Dry, black oak sand ridge |
| Submission Info: | Submitted by Admin on 31 Mar 2020 |