Grindelia havardii (Havard's Gumweed)

Family

ASTERACEAE

Scientific Name with Author

Grindelia havardii Steyerm.

Common Name

Havard's Gumweed

Agency Status
USFWS	State of NM	USFS	BLM	Navajo Nation	State Rank	Global Rank	R-E-D Code	NMRPTC Status	Strategy Status
					S3?	G4		D

Counties

Description

Perennials, less commonly biennial; leaves ovate-lanceolate, slightly coriaceous, coarsely serrate with gland-tipped teeth; achenes monomorphic. Flowering June-September.

Distribution

4 counties in New Mexico, 6 counties in Texas(Trans-Pecos). Also in Mexico

Habitat

Canyon bottoms, moist areas around springs on limestone, understory of cottonwood bosque; Elevation, 1300-2000 m.

Remarks

Nesom (1990) stated that the most strongly perennial forms of the taxon occur in the western extension of its range. The type specimen is from McKittrick Canyon in the Guadalupe Mountains. The species has a limited range and occurs in sensitive habitats. The New Mexico populations appear to represent a distinct perennial form.

2021: Apparently primarily a TX species. Several collections from Mexico, all the way to San Luis Potosi. Peripheral in NM.

Important Literature

Nesom, G. 1990. Systematics of Mexican and Texas Grindelia. Phytologia 68:303-332.

Information Compiled By

Tim Lowrey

For distribution maps and more information, visit Natural Heritage New Mexico