Adiantum pedatum var. aleuticum Rupr.
FamilyAdiantaceae — APG family: Pteridaceae
SynonymsAdiantum pedatum subsp. aleuticum (Rupr.) Calder & Taylor.
Common namemaidenhair fern
DescriptionUp to 50 cm high; rhizome short, oblique, densely paleaceous; stipes dark red- brown, lustrous; fronds membranaceous, pinnules with marginal transverse sori. Often sterile in Alaskan area.
EcologyCliffs and woods close to shore.
Alaskan plant, var. aleuticum, differs from type in its smaller size, more tufted growth, less spreading segments, and grayish-green color. This variety, which oc- curs in more exposed places, passes gradually into the type in less exposed localities. Broken line on circumpolar map indicates range of var. pedatum.
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.