Beardlip Penstemon

Penstemon barbatus (Cav.) Roth

are eaten by

• Global Biotic Interactions: Ocoaxo assimilis (Walker 1858)
• Global Biotic Interactions: Ocoaxo assimilis (Walker 1858)
• Global Biotic Interactions: Calypte anna (Lesson & R 1829) (Anna's Hummingbird)
• Global Biotic Interactions: Poladryas arachne

are host of

• Global Biotic Interactions: Pipistrellus bat coronavirus HKU5
• Global Biotic Interactions: Golovinomyces orontii (Castagne) V. P. Heluta 1988
• Global Biotic Interactions: Podosphaera fuliginea (Schltdl.) U. Braun & S. Takam. 2000
• Global Biotic Interactions: Podosphaera fusca (Fr.) U. Braun & Shishkoff 2000
• Global Biotic Interactions: Golovinomyces cichoracearum (DC.) V. P. Heluta 1988

have flowers visited by

• Global Biotic Interactions: Cynanthus latirostris Swainson 1827 (Broad-billed Hummingbird)
• Global Biotic Interactions: Selasphorus rufus (Gmelin & JF 1788) (Rufous Hummingbird)
• Global Biotic Interactions: Selasphorus platycercus (Swainson 1827) (Broad-tailed Hummingbird)