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dicranoweisia moss

Scientific Name: Dicranoweisia

Family: Dicranaceae

Category: Moss

Growth:

Duration:

Other Names:

       

Dicranoweisia Moss

This page provides information about several species within the genus Dicranoweisia, commonly referred to as "Dicranoweisia moss." Specific details are given for Dicranoweisia cirrata and Dicranoweisia crispula.

Taxonomy and Nomenclature

  • Genus: Dicranoweisia
  • Kingdom: Plantae
  • Family: Dicranaceae
  • Species Examples:
    • Dicranoweisia cirrata (Hedw.) Lindb. ex Milde
    • Synonym: Weissia cirrata Hedw.
    • Dicranoweisia crispula (Hedw.) Lindb. ex Milde
    • Synonyms:
      • Dicranoweisia crispula var. compacta (Schleich. ex Schwaegr.)

Common Names

  • Dicranoweisia moss
  • Dicranoweisia cirrata: Curly Thatch Moss, Common Pincushion
  • Dicranoweisia crispula: Mountain Pincushion

Distribution and Habitat

  • Dicranoweisia cirrata: Commonly found growing on tree trunks. Not native to California.
  • Dicranoweisia crispula: Found at both poles, including the South Shetland Islands and Antarctica, and the Northwest Territories.

Morphological Characteristics

  • Mosses included in Dicranoweisia have crispate leaves with entire margins and acute to acuminate apices.
  • They form compact tufts or cushions.
  • These mosses can form neat yellow to green cushions up to 3cm high.
  • Erect leaves are quite wavy when moist, and are about 2.5mm long.

Ecological Role

  • Dicranoweisia cirrata has been found growing on cedar shake roofs.

Further Information

  • Encyclopedia of Life
  • USDA
  • Wikimedia Commons
  • CalPhotos