Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. chihuahuanum (B. L. Turner & R. L. Hartm.) D. R. Morgan & R. L. Hartm. GRIN-Global

Taxon: Xanthisma spinulosum (Pursh) D. R. Morgan & R. L. Hartm. var. chihuahuanum (B. L. Turner & R. L. Hartm.) D. R. Morgan & R. L. Hartm.

Summary

Genus:

Xanthisma

Family:

Asteraceae (alt. Compositae)

Nomen number:

459787

Place of publication:

Sida 20:1408. 2003

Verified:

08/05/2009 ARS Systematic Botanists.

Accessions:

0 (0 active, 0 available) in National Plant Germplasm System.

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym

Machaeranthera pinnatifida (Hook.) Shinners var. chihuahuana B. L. Turner & R. L. Hartm.

No images

Reference(s)

FNA Editorial Committee. Flora of North America. 1993-
Morgan, D. R. & R. L. Hartman. 2003. A synopsis of Machaeranthera (Asteraceae: Astereae), with recognition of segregate genera. Sida 20:1387-1416.

Common names

Distribution

order_code	Status	Continent	Subcontinent	Country	State
1	Native	Northern America	Northern Mexico	Mexico	Chihuahua
1	Native	Northern America	Northern Mexico	Mexico	Coahuila
1	Native	Northern America	Northern Mexico	Mexico	Durango
1	Native	Northern America	Northern Mexico	Mexico	Sonora
1	Native	Northern America	South-Central U.S.A.	United States	New Mexico
1	Native	Northern America	South-Central U.S.A.	United States	Texas
1	Native	Northern America	Southwestern U.S.A.	United States	Arizona

Native
Northern America

NORTHERN MEXICO: Mexico [Chihuahua, Coahuila, Durango, Sonora]
SOUTH-CENTRAL U.S.A.: United States [New Mexico, Texas]
SOUTHWESTERN U.S.A.: United States [Arizona]

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2025. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://ausgenebank.agriculture.vic.gov.au/gringlobal/taxon/taxonomydetail?id=459787. Accessed 19 December 2025.