Selaginella arizonica, commonly known as Arizona spikemoss, is a species of spikemoss in the family Selaginellaceae. It is native to Arizona, US, where it can be found in rock crevices, or on gravel, sandstone, igneous, or limestone substrates.

Description

Selaginella arizonica plants are prostrate, freely branching, and matted. Their stems range from 5 to 20 cm (2.0 to 7.9 in) in length with short ultimate branches and tips that turn slightly upwards. When these plants are young, they are bright green. However, as they age, they become greyer in color.