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meesia moss

Scientific Name: Meesia triquetra

Family: Meesiaceae

Category: Moss

Growth: Nonvascular

Duration:

Other Names:

       

Meesia triquetra and Meesia uliginosa: Understanding Hump-Mosses

The text refers to several species of moss within the genus Meesia, primarily focusing on Meesia triquetra and Meesia uliginosa. These mosses, often referred to collectively as "meesia moss," belong to the Meesiaceae family.

Considerations for Pets

  • The text mentions that some Meesia species form tufts, which might be tempting for pets to chew on, especially if found in gardens or natural areas.
  • The physical size of these mosses are small, with leaves ranging from 2-6mm long.

Taxonomy and Nomenclature:

  • Scientific Name: Meesia triquetra (Richt.) Angstr. and Meesia uliginosa
  • Common Name: meesia moss, three-ranked hump-moss, three-angled hump-moss, Broad-nerved Hump-moss, Hump Moss, Three-ranked Thread Moss
  • Family: Meesiaceae
  • Division: Bryophyta
  • Class: Bryopsida
  • Order: Bryales
  • Synonyms/Alternative Names: Mnium triquetrum, Meesia longiseta

Distribution and Habitat:

  • Both Meesia triquetra and Meesia uliginosa are found throughout the northern hemisphere in higher latitudes.
  • Meesia uliginosa is specifically noted as a rare moss of the Western U.S.
  • The text also references occurrences in California and Ireland.

Morphological Characteristics:

  • Meesia triquetra has stems that are 2-14 cm tall, simple, but occasionally a little branched.
  • Meesia uliginosa forms dark green tufts up to 5 cm tall, with leaves that are 2-6 mm long.
  • Leaves are spreading to squarrose ovate-lanceolate.
  • The capsule of Meesia uliginosa is asymmetrical and curved.

Ecological role:

  • Meesia uliginosa is identified as rare in California and is listed on the CNPS Inventory of Rare and Endangered Plants (list 2B.2).

Quirky Facts:

  • The text makes reference to "Moss 'sleeves', ants and aphid farms," suggesting that mosses, including Meesia triquetra, might play a role in supporting ant and aphid communities, possibly providing shelter or resources.

Further Information:

  • Encyclopedia of Life
  • Tropicos
  • GBIF (Global Biodiversity Information Facility)
  • Biopix: http://www.biopix.com/meesia-triquetra_photo-101616
  • CNPS Inventory of Rare and Endangered Plants for California species