Diversification, Herminium, Orchidoideae, Pre-adaptation, Dispersal, Platanthera, and Habenaria

Coelogyne, Asian orchid genera, Coelogyninae, Orchid classification, and Asia

Eulophia, Africa, Orchidaceae, Vegetative development, African orchids, and Monocots

Pantropical orchid genera, orchid classification, Monocots, Epidendroidae, Calanthe, Orchid classification, and Monocots

trnL intron, Systematic relationships, Eria, Generic limits, Orchidaceae, trnL-F spacer, ITS, Asia, and Africa

Habenaria , Orchid generic delimitation , Orchidinae s.l. , Gennaria , Platanthera, and Ponerorchis alliance