NSF CAREER award 0347840: Reconciling patterns of phylogenetic rate heterogeneity in ferns with morphology, ecology, and life history NSF DDIG award 0408077: Evolution and diversification of epiphytic ferns NSF Collaborative Research award 0089909: Using phylogeny to investigate the history of morphological evolution in heterosporous ferns NSF Collaborative Research award 9615533: Phylogeny, character evolution, and diversification of extant ferns