Host an Event Volunteer Join Tickets

Support the plant database you love!


Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

Enter a Plant Name:
Or you can choose a plant family:

Trichocoronis rivularis

Trichocoronis rivularis A. Gray

Rio Grande Bugheal

Asteraceae (Aster Family)

Synonym(s): Shinnersia rivularis

USDA Symbol: TRRI6

USDA Native Status: L48 (N)


From the Image Gallery

No images of this plant

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: Aquatic, stems usually mostly submersed. Up to about 4 inches may rise above the water surface.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: White
Bloom Time: Jan , Feb , Mar , Apr , May , Jun , Jul , Aug , Dec



National Wetland Indicator Status

Status: OBL
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Trichocoronis rivularis in USDA Plants
FNA: Find Trichocoronis rivularis in the Flora of North America (if available)
Google: Search Google for Trichocoronis rivularis


Record Modified: 2023-01-30
Research By: TWC Staff

Go back