Protogygia pryorensis habitat at Petroglyph Canyon Natural Area, Carbon County, Montana, USA 3 shows active sands and sandstone hoodoos at a canyon entry, while 4 is a nearby area of mixed soils and interspersed bedrock above the canyon rim. Sparse woody vegetation of Juniperus osteosperma, Pinus flexilis, Chrysothamnos viscidiflorus and Artemisia tridentata and mats of Opuntia polyacantha are depicted.