Aristida arizonica |... wildflowersearch.org

Species Detail Grasses cales.arizona.edu

Vascular Plants of the Gila... wnmu.edu

NEON Biorepository Data... biorepo.neonscience.org

Aristida arizonica - FNA floranorthamerica.org

Three-Awn : Aristida rockymountainsflora.com

Arizona threeawn (Aristida... guatemala.inaturalist.org

Three-Awn : Aristida rockymountainsflora.com

Aristida_purpurea_fendler.j... cales.arizona.edu

Vascular Plants of the Gila... wnmu.edu

NEON Biorepository Data... biorepo.neonscience.org

University of Colorado... botanydb.colorado.edu

2013 BONAP North American... bonap.net

List of Aristida species -... en.wikipedia.org

Category:Aristida -... commons.wikimedia.org

Aristida purpurea www.fs.usda.gov

Sagebud | Grow Your Garden... sagebud.com

Aristida_purpurea_Sp6_13.jp... cales.arizona.edu

List of Aristida species -... en.wikipedia.org

Neotropical Plant Portal -... serv.biokic.asu.edu