Cryptogramma crispa var. sitchensis (Rupr.) Christens.
FamilyCryptogrammaceae — APG family: Pteridaceae
SynonymsAllosurus sitchensis Rupr.
DescriptionSterile leaves broadly deltoid, finely dissected, tripinnate, with small, obovate, toothed tertiary segments; nerve ends mostly not foveolate, basal scales with or without dark midvein.
Var. sitchensis, which is similar to var. Raddeana (Fomin) Hult. (C. Raddeana Fomin) from Central Asia, seems markedly different from var. acrostichoides, but transitions do occur.
Hultén's Flora About

This is a digital representation of Eric Hultén’s ‘Flora of Alaska and Neighboring Territories: A Manual of the Vascular Plants’, which was published by Stanford University Press in 1968. The book was digitized by C. Webb (at UAMN) as part of the Flora of Alaska project, with funding by the US NSF (Grant 1759964 to Ickert-Bond & Webb), and with permission of Stanford University Press. Data and images © 1968 Board of Trustees of the Leland Stanford Jr. Univ. Usage licence: Creative Commons BY-NC-SA 4.0. NB: You may find OCR errors; please refer to the hard-copy if in doubt.