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Ptilium crista-castrensis

Ptilium crista-castrensis, the knights plume moss[1] or ostrich-plume feathermoss,[2] is a moss species within the family Hypnaceae,[3] in the class Bryopsida, subclass Bryidae and order Hypnales.

Ptilium crista-castrensis
Ptilium crista-castrensis.jpg
P. crista-castrensis in Finland
Scientific classification
Kingdom: Plantae
Division: Bryophyta
Class: Bryopsida
Subclass: Bryidae
Order: Hypnales
Family: Hypnaceae
Genus: Ptilium
Species: P. crista-castrensis
Binomial name
Ptilium crista-castrensis



This species occurs on the floor of Canadian boreal forests as well as many forests of northern Europe; an example of this occurrence is within the black spruce/feathermoss climax forest, often having moderately dense canopy and featuring a forest floor of feathermosses including Hylocomium splendens, Pleurozium schreberi and Ptilium crista-castrensis.[4]

See alsoEdit


Line notesEdit

  1. ^ "Ptilium crista-castrensis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 15 October 2015.
  2. ^ Edwards, Sean R. (2012). English Names for British Bryophytes. British Bryological Society Special Volume. 5 (4 ed.). Wootton, Northampton: British Bryological Society. ISBN 978-0-9561310-2-7. ISSN 0268-8034.
  3. ^ ITIS Report. 1999
  4. ^ C. Michael Hogan. 2008