More Accounts and Images:
Bouteloua trifida Thurb.
View species account, distribution map, and illustration from the Grass Manual on the Web.
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 41508.
View species account and distribution map from Jepson Interchange (University of California - Berkeley).
View species account from Lady Bird Johnson Wildflower Center Native Plant Information Network (NPIN).