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bryum moss

Scientific Name: Bryum rutilans

Family: Bryaceae

Category: Moss

Growth: Nonvascular

Duration:

Other Names:

       

Bryum Moss

Bryum is a genus of mosses belonging to the family Bryaceae. The text identifies several species and common names within this genus.

Considerations for Pets

  • Bryum mosses grow in tufts or patches.

Considerations for Children

  • Bryum mosses grow in tufts or patches.

Taxonomy and Nomenclature

  • Genus: Bryum
  • Family: Bryaceae
  • Common Names: The text mentions several common names, including "bryum moss," "silvergreen bryum moss," "Dixon's threadmoss," "Capillary Thread-moss," and "red thread-moss (glossy red bryum moss)."
  • Synonyms: Rhodobryum roseum is mentioned as a former name for Bryum roseum.
  • Taxonomic Serial Number (TSN): For Bryum argenteum, the TSN is 15984.
  • Varieties: Bryum algovicum var. algovicum

Distribution and Habitat

  • Bryum dixonii is endemic to Scotland and occupies montane habitats.
  • Bryum capillare is a very common moss.
  • Bryum argenteum is found in many locations, including Antarctica, and is described as cosmopolitan.
  • Bryum flaccidum grows at bluff overlooking Alum Creek in Delaware Ohio.
  • Baltic bryum grows on grazed salt marshes in the Netherlands.

Morphological Characteristics and Growth Habits

  • Bryum capillare grows in tufts or patches, with stems.
  • Bryum argenteum forms pale green or almost white, compact tufts or patches that look shiny and silvery grey.
  • Bryum argenteum grows in tufts or cushions.
  • Typical Bryum moss grows in tufts, with stems mostly 1 to 3 cm tall. Dry plants often have corkscrew-like shoots, with leaves spirally twisted around the stem.
  • Bryum flaccidum has its leaves arranged in a rosette.

Ecological Role

  • Bryum argenteum is an important component of Biological Soil Crusts (BSCs).
  • Silvery thread moss (Bryum argenteum) is considered a weed in some turfgrass settings.

Genetic and Cytological Information

  • RAPD (Random Amplified Polymorphic DNA) has been used to assess genetic diversity in Bryum pseudotriquetrum.

Interactions with Other Organisms

  • Bryum argenteum depends on epiphytic bacteria for freezing protection in Antarctica.
  • Waitea circinata is an important fungal pathogen that can affect turfgrasses where Bryum grows.

Further Information

  • Jepson eFlora for CA Vascular Plants, University of California.
  • Encyclopedia of Life.
  • Discover Life.
  • AusMoss.
  • Minnesota sightings, videos, and county distribution map.