Flower colour adaptation in a mimetic orchid

The evolution of floral variation without pollinator shifts in Gorteria diffusa (Asteraceae)

(2009) Allan G. Ellis et al.   AMERICAN JOURNAL OF BOTANY

The Role of Animal Pollination in Plant Speciation: Integrating Ecology, Geography, and Genetics

(2009) Kathleen M. Kay et al.   Annual Review of Ecology Evolution and Systematics

Geographical covariation and local convergence of flower depth in a guild of fly-pollinated plants

(2009) Bruce Anderson et al.   NEW PHYTOLOGIST

Darwin's beautiful contrivances: evolutionary and functional evidence for floral adaptation

(2009) Lawrence D. Harder et al.   NEW PHYTOLOGIST

FLIES AND FLOWERS IN DARWIN'S RACE

(2008) Anton Pauw et al.   EVOLUTION

Evolutionary Transitions in Floral Color

(2008) Mark D. Rausher   INTERNATIONAL JOURNAL OF PLANT SCIENCES