| Ptilium | |
|---|---|
 | |
| Ptilium crista-castrensis | |
Scientific classification  | |
| Kingdom: | Plantae |
| Division: | Bryophyta |
| Class: | Bryopsida |
| Subclass: | Bryidae |
| Order: | Hypnales |
| Family: | Pylaisiaceae |
| Genus: | Ptilium |
| Species | |
See text | |
Ptilium is a genus of mosses with very broad worldwide occurrence. This genus is within the family Hypnaceae, [1] [2] in the class Bryopsida, subclass Bryidae and order Hypnales.
Some of these species occur on the floor of Canadian boreal forests; 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, according to Hogan, Hylocomium splendens , Pleurozium schreberi and Ptilium crista-castrensis . [3]
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