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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.

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Agoseris grandiflora

Agoseris grandiflora (Nutt.) Greene

Bigflower Agoseris, Grassland Agoseris

Asteraceae (Aster Family)

Synonym(s): Agoseris grandiflora var. leptophylla, Agoseris laciniata, Agoseris plebeja, Troximon grandiflorum


USDA Native Status: L48 (N), CAN (N)


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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 3 feet tall.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.

Bloom Information

Bloom Color: Yellow
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct


USA: CA , ID , MT , NV , OR , UT , WA
Canada: BC

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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


Record Modified: 2018-12-11
Research By: CBR

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