Locality:
Peru, Cuzco, La Raya Pass (deep valley between snowcapped peaks) 1 km WNW of La Raya on Cuzco road
Elevation:
4250 meters
(13940ft)
Habitat:
damp or dry cold rocky alpine tundra, with much bare ground, rocks and gravel, many cusion plants, Solanum acaule, Viola spp., Opuntia (white fuzzy cushions), Scirpus, Geranium, Castilleja, wet springy areas with huge hard cusions of Ditichia muscoides (Juncaceae), Scirpus, Gentiana