KEY TO THE SPECIES

1Stipe stramineous, 10-25 cm long. Lamina 8-15 by 6-15 cm, the whole surface, rhachises and veins bearing numerous acicular hairs
Hypodematium crenatum
1'Stipe red brown, 10-25 cm long. Lamina 15-20 by 10-20 cm; rhachises and veins bearing numerous acicular hairs
Hypodematium glabrius