Single Record

Participant Info

Species
Packera neomexicana [Senecio eurypterus] [Senecio neomexicana]
Family
Asteraceae
CommonName
New Mexico groundsel
Presence
yes
Status
native
EarliestDate
1899
LatestDate
2024
Ecosystem
shrubland, foothill, montane
Geobotanical
Garitas, SSanjuans, Culebras, NCristos
Counties
Alamosa, Conejos, Costilla, Hinsdale, Mineral, Rio Grande, Saguache
Passes
WildlifePreserves
Great Sand Dunes
Other Localities
Comments
The Watershed variety of Packera neomexicana is var. mutabilis. The species is fairly common in the foothills and montane on both sides of the Valley, although more commonly recorded from the west side. The species follows the Rio Grande drainage through New Mexico from north to south (and on into Mexico), but does not follow the river into Texas. The USA distribution centers on Utah, Arizona, Wyoming, Colorado, and New Mexico. Note that in 2008 B. L. Turner included P. neomexicana under P. thurberi, but authorities such as POWO and Allred et al. (2020) give back P. neomexican its species status. One salient distinction between the species is that the basal leaves of P. thurberi are largely glabrous, usually narrowly lanceolate, and weakly dentate; whereas those of P. neomexicana are clearly cottony (flocose), only 2-4 times longer than broad, and usually strongly dentate. However, P. neomexicana and P. thurberi hybridize, resulting in considerable variety in both species.