- Included species (for The Plant List, ):
- O. bejariense, O. carolinianum, O. dodrantale, O. hispidissimum, O. molle, O. oaxacanum, O. occidentale, O. subsetosum, O. unicum, O. virginianum
- Note: only species listed as 'Accepted'
- GRIN link : Onosmodium Michx. (Probable synonym of: Lithospermum L.) Considered a synonym
- GRIN link : Lithospermum L. (+species list (Note: includes synonyms))
This category has only the following subcategory.