It is common throughout North America and associated mainly with Peromyscus (deermice), although many other hosts have been recorded.
Rodents, especially mice, eagerly consume the fruits, causing seed production to be low.
Peromyscus | Peromyscus schmidlyi | Peromyscus maniculatus |
The Angel Island Speckled Rattlesnake (Crotalus angelensis) and Angel Island mouse (Peromyscus guardia) occur only on the island.
The range of this species extends from southern Oregon and Wyoming in the north, and extends south to roughly the U.S.-Mexico border, with a disjunct population designated as Peromyscus truei comanche which occupies an area in the vicinity of Palo Duro Canyon in the Texas panhandle.