"Bulbophyllum pachyrachis" . "Orchidaceae" . . . "Magnoliophyta" . . "Asparagales" . . . . "Bulbophyllum" . . . "(A. Rich.) Griseb." . "Liliopsida" . . . . "Plantae" . "Bulbophyllum pachyrachis (A. Rich.) Griseb." . . . "Rat-Tail Orchid" .