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aulacomnium moss

Scientific Name: Aulacomnium androgynum

Family: Aulacomniaceae

Category: Moss

Growth: Nonvascular

Duration:

Other Names:

       

Aulacomnium palustre: Bog Groove-Moss

Aulacomnium palustre, commonly known as bog groove-moss or ribbed bog moss, is a widespread moss species. The name "aulacomnium moss" is also frequently used. Another species of moss mentioned is Aulacomnium androgynum which is also referred to as aulacomnium moss, and has the common name Bud-headed Groove-moss.

Considerations for Pets

  • Aulacomnium palustre forms tufts.
  • Aulacomnium androgynum often has gemmae, small vegetative propagules, at the tips of its shoots.

Taxonomy and Nomenclature

  • Scientific Name: Aulacomnium palustre (Hedw.) Schwgr.
  • Family: Aulacomniaceae
  • Synonyms: Mnium palustre, Aulacomnium palustre var. congestum Boul.
  • Another species mentioned is Aulacomnium androgynum (Hedw.) Schwaegr.
  • Aulacomnium heterostichum (Hedw.) Bruch &amp Schimp.

Distribution and Habitat

  • Aulacomnium palustre has a nearly cosmopolitan distribution.
  • It is found in North America, the Dominican Republic, and Venezuela.
  • One observation was made in Broadford, Isle of Skye.
  • Another observation was made in Palomar Mountain State Park San Diego County, California.
  • It is also found at Waldo, Marion County, Ohio.

Morphological Characteristics

  • Aulacomnium palustre forms tufts that are typically 3-12 cm tall.
  • It has pale yellow-green leaves that contrast with the ginger-brown, felt-like rhizoids covering the stem.
  • Lower leaves are scalelike, loosely appressed, and distant. Upper leaves are oblong-lanceolate.
  • Aulacomnium androgynum forms small, pale, dull green tufts.
  • Shoots of A. androgynum are 3 to 4 mm tall.
  • Aulacomnium androgynum often has gemmaphores (erect continuations of the main stems with terminal clusters of gemmae).

Ecological Role

  • Aulacomnium palustre is one of eight fen moss species.
  • Aulacomnium turgidum grows in moist nonacidic and acidic prostrate dwarf shrub - sedge - moss tundra.

Further Resources

  • British Bryological Society Checklist of British and Irish Bryophytes
  • Tropicos
  • Encyclopedia of Life
  • Wikimedia Commons