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:
Lomatium ambiguum (Wyeth biscuitroot)
Wasowski, Sally and Andy

Lomatium ambiguum

Lomatium ambiguum (Nutt.) J.M. Coult. & Rose

Wyeth Biscuitroot, Swale Desert-parsley

Apiaceae (Carrot Family)

Synonym(s): Peucedanum ambiguum


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


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Tripinnate
Inflorescence: Umbel
Fruit Type: Schizocarp
Size Notes: Up to about 16 inches tall.

Bloom Information

Bloom Color: Yellow
Bloom Time: Apr , May , Jun


USA: ID , MT , OR , UT , WA , WY
Canada: BC

Value to Beneficial Insects

Special Value to Native Bees
Supports Conservation Biological Control

This information was provided by the Pollinator Program at The Xerces Society for Invertebrate Conservation.

Web Reference

Webref 63 - Pacific Northwest Wildflowers (2020) Turner Photographics
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2023-02-16
Research By:

Go back