Centropogon ferrugineus var. costaricanus (Planch. & Oerst.) McVaugh
Lobelia barbata Cav.
Centropogon costaricanus Planch. & Oerst.
Centropogon jahnii Gleason
Centropogon poasensis Gleason
Lobelia ferruginea L.f.
Siphocampylus regelii var. umbrosus Vatke
Centropogon wimmeri Standl.
Centropogon affinis var. costaricanus (Planch. & Oerst.) Zahlbr.
Siphocampylus barbatus (Cav.) G.Don
Siphocampylus regelii Vatke
Centropogon ferrugineus var. glabrifilaris E.Wimm.
Centropogon costaricanus var. cufodontidis E.Wimm.
Centropogon ferrugineus var. tomentellus (E.Wimm.) McVaugh
Centropogon costaricanus var. tomentellus E.Wimm.
Centropogon ferrugineus var. jahnii (Gleason) E.Wimm.
Centropogon ferrugineus var. nitens E.Wimm.
Siphocampylus ferrugineus (L.f.) G.Don
Centropogon barbatus (Cav.) Planch.