Dryopteris spinulosa var. intermedia (Willd.) Underw.
, Native Ferns, ed. 4 116 (1893).- IPNI Life Sciences Identifier (LSID)
- urn:lsid:ipni.org:names:85358-2
- Species Name
- Dryopteris spinulosa (O.F.Müll.) Watt, Canad. Naturalist Geol. n.s., 3(5): 403 (1868).
- Publication
- Our Native Ferns and how to Study Them, with Synoptical Descriptions of the North American Species... Edition 4
- Collation
- 116
- Family as entered in IPNI
- Dryopteridaceae