Synonyms
Ceuthocarpus involucratus var. moaensis Borhidi
Ceuthocarpus involucratus var. elatior Borhidi
Ceuthocarpus involucratus (Wernham) Aiello
Portlandia involucrata Wernham
Schmidtottia involucrata var. elatior (Borhidi) Borhidi
Schmidtottia involucrata var. moaensis (Borhidi) Borhidi