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grimmia dry rock moss

Scientific Name: Grimmia anomala

Family: Grimmiaceae

Category: Moss

Growth: Nonvascular

Duration:

Other Names:

       

Grimmia: The Dry Rock Moss

Grimmia, often referred to as "Dry Rock Moss" or "Cushion Moss," is a genus of mosses found in diverse environments. This page provides an overview of Grimmia, including its taxonomy, distribution, and other relevant information.

Considerations for Pets

  • Some Grimmia species form dense, cushion-like mats. While not explicitly stated as toxic, it's always wise to monitor pets that might ingest moss, as any foreign material can cause digestive upset.

Common Names and Scientific Nomenclature

  • Scientific Name: Grimmia Hedw. (Genus)
  • Common Names: Grimmia Dry Rock Moss, Cushion Moss

Taxonomy and Classification

  • Kingdom: Plantae
  • Division: Bryophyta
  • Class: Bryopsida
  • Order: Grimmiales
  • Family: Grimmiaceae
  • Examples of species within the genus:
    • Grimmia americana E.B. Bartram &#8211 American dry rock moss
    • Grimmia brevirostris R.S. Williams
    • Grimmia laevigata (Brid.) Brid.
    • Grimmia trichophylla Grev.
    • Grimmia pilifera
    • Grimmia pulvinata (Hedw.) Sm. ex Sm. & Sowerby (grey-cushioned grimmia, pulvinate dry rock moss)
    • Grimmia olneyi (Olney's Dry Rock Moss)
    • Grimmia montana (Montane Dry Rock Moss)
    • Grimmia ovalis (Oval Dry Rock Moss)
    • Grimmia plagiopodia
    • Grimmia anodon
    • Grimmia hermanii (Herman's Dry Rock Moss)
    • Grimmia teretinervis
    • Grimmia brittoniae Williams (Britton's Dry Rock Moss)
    • Grimmia mariniana Sayre
    • Grimmia elongata Kaulf. in Sturm
    • Grimmia donniana
    • Grimmia apocarpa

Distribution and Habitat

  • Grimmia laevigata is found on every continent except Antarctica.
  • Grimmia species typically grow on bare rock in a wide range of environments.
  • Specific locations mentioned include Michigan, Montana (United States), and Pickens County, South Carolina.
  • Grimmia teretinervis is found in Manitoba.

Morphological Characteristics

  • Many Grimmia species form cushion-like or pulvinate (densely matted) growths.

Interactions with Other Organisms

  • Grimmia mosses may successionally follow pioneering low-growing lichens.

Further Information

  • Integrated Taxonomic Information System (ITIS)
  • Montana Natural Heritage Program
  • Discover Life
  • THE UNIVERSITY OF CHICAGO LIBRARY