A few essential genetic loci distinguish Penstemon species with flowers adapted to pollination by bees or hummingbirds

• Carolyn A. Wessinger,
• Amanda M. Katzer,
• Paul M. Hime,
• Mark D. Rausher,
• John K. Kelly,
• Lena C. Hileman

Affiliations

Carolyn A. Wessinger

Amanda M. Katzer

Paul M. Hime

Mark D. Rausher

John K. Kelly

Lena C. Hileman