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

Campylium stellatum var. protensum (Hedw.) J. Lange & C. Jens
dull golden star-moss
Amblystegiaceae

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

Introduction to the Bryophytes of BC
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Distribution of Campylium stellatum var. protensum
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Species Information

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Illustration Source: Some Common Mosses of BC

Species description:
Genus name referring to curved, a possible reference to the curved sporangium; the species name describing the star-like appearance of the radiately spreading leaves of the stem and branch tips.
Reproduction:
Sporophytes infrequent; sporangia curved-­subcylindric, light to dark brown; seta red to reddish-yellow, elongate; possibly propagated mainly through fragmentation of the leafy shoots.
Distinguishing characteristics:
The squarrose, narrowly triangular leaves and the relatively soft plants that grow in damp habitats usually make this plant readily recognizable .
Habit:
Forming golden green, brownish-green to dark green glossy mats of usually erect to suberect loosely interwoven shoots.
Similar Species:
Often Rhytidiadelphus squarrosus grows in the same habitat as C. stellatum; the leaves are also squarrose, but the stems are red-brown (in Campylium they are yellowish or green) and the shoots are more rigid than in Campylium. In the same habitat Dicranella palustris also has squarrose leaves but the leaves have a strong midrib and are lanceloate, the stems are never branched and the plants grow in. tight turfs on mineral soil.

Habitat / Range

Habitat
Widespread in seepage or wet sites, especially on calcareous substrata, from sea level to subalpine elevations. In openings in subal­pine forest it frequents springs while at lower elevations it is frequent on cliffs near waterfalls.
Range
World Distribution

Widely distributed in the Northern Hemi­sphere, especially at arctic and boreal latitudes and in mountains, southward to mountains of Africa. In North America extending southward in mountains to Georgia in the east and to California in the west; also in Mexico and Guatemala.

Synonyms and Alternate Names

Campylium protensum

Taxonomic and Nomenclatural Links

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General References