World Checklist of Selected Plant Families (WCSP)

Picea pungens f. perpendicularis Schwer., Mitt. Deutsch. Dendrol. Ges. 29: 234 (1920).

This name is a synonym.

Accepted Name:	Picea pungens Engelm., Gard. Chron., n.s., 11: 334 (1879).
Family:	Pinaceae
Original Compiler:	R.Govaerts