Hypodematium Hypodematium Kunze in Flora 16: 690. 1833≡Aspidium (Hypodematium) Sw., Farnkr. Erde: 262. 1897≡Dryopteris (Hypodematium) Adans., Index Filic.: 7. 1934Type: Hypodematium crenatum Kuhn & Decken.Type: Hypodematium crenatum Kuhn & Decken.Type: Hypodematium crenatum Kuhn & Decken.