E-Flora BC: Electronic Atlas of the Flora of British Columbia

Aulacomnium palustre (Hedw.) Schwaegr
glow moss (aulacomnium moss)

Species Account Author: Wilf Schofield
Extracted from Some Common Mosses of British Columbia

Introduction to the Bryophytes of BC

© Rosemary Taylor  Email the photographer   (Photo ID #43743)

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Distribution of Aulacomnium palustre
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Species Information

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Illustration Source: Some Common Mosses of BC

Species description:
Species name meaning of the marshes, in reference to the usual habitat.
Sporophytes sporadic in occurrence, maturing in spring to summer, reddish-brown and grooved when mature; gemmif­erous plants frequent through most of the year.
Distinguishing characteristics:
The whitish midrib that is shiny on the back of the leaf is distinctive in dried plants; the leaves are somewhat contorted when dry.
Forming extensive dense, yellow-green turfs of erect shoots, of­ten interwoven with red rhizoids.
Similar Species:
Differs from A. androgynum in habitat and size. From A. turgidum, the contorted leaves and the less turgid shoots are useful distinguishing features; A. turgidum also occurs in drier sites. A. acuminatum has pointed leaves but the plants are turgid and leaves do not become contorted when dry.

Habitat / Range

Frequent in swampy, boggy, or seepage sites; on lake and pond margins and on cliff shelves; occasionally on rotten logs, from sea level to alpine elevations
World Distribution

Cosmopolitan; more frequent in temperate to cool climates.

Synonyms and Alternate Names

Aulacomnium palustre var. congestum Boul.
Aulacomnium palustre var. dimorphum Cardot & Thér.
Aulacomnium palustre var. imbricatum Bruch & Schimp.

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

General References