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grimmia dry rock moss
Scientific Name: Grimmia anodon
Family: Grimmiaceae
Category: Moss
Growth: Nonvascular
Duration:
Other Names:
Grimmia Dry Rock Moss
This page provides information about various species within the Grimmia genus, commonly known as Dry Rock Mosses. These mosses are often found forming cushions on rocks.
Considerations for Pets
- As a cushion moss, some species such as Grimmia pulvinata, form dense mats.
Common Names and Scientific Names
- Genus: Grimmia Hedw.
- Common Name: Dry Rock Moss (applies to multiple species)
- Species Examples:
- Grimmia laevigata (Brid.) Brid.
- Grimmia trichophylla Grev.
- Grimmia americana E.B. Bartram (American Dry Rock Moss)
- Grimmia brevirostris R.S. Williams
- 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 brittoniae Williams (Britton's Dry Rock Moss)
- Grimmia mariniana Sayre
- Grimmia elongata Kaulf. in Sturm
- Grimmia hermanii (Herman's Dry Rock Moss)
- Grimmia teretinervis
- Grimmia donniana
- Grimmia apocarpa
Taxonomy and Nomenclature
- Kingdom: Plantae
- Division: Bryophyta
- Class: Bryopsida
- Order: Grimmiales
- Family: Grimmiaceae
- Genus: Grimmia
- Synonyms (for Grimmia pulvinata):
- Fissidens pulvinatus
- Grimmia decipiens var. hendersonii
- Symbol (for Grimmia torquata): GRTO4
Distribution and Habitat
- Grimmia laevigata is found on every continent except Antarctica.
- It grows on bare rock in a wide range of environments.
- Specific locations mentioned include Michigan (USA), Pickens County, South Carolina (USA), and Montana (USA).
- Two-thirds of the extent of alvar in Manitoba occurs on Crown land.
Ecological Role
- Grimmia species can be secondary colonizers, following pioneering low-growing lichens in the formation of mat layers on rocks.
Morphological Characteristics and Growth Habits
- Grimmia mosses often form cushion-like or pulvinate (densely matted) growths.
- They are nonvascular plants.
Interactions with Other Organisms
- Grimmia species can grow in proximity to lichens, such as *Xanthoparmelia conspersa*.
Further Information
- Integrated Taxonomic Information System (ITIS)
- Montana Natural Heritage Program
- Discover Life
- EOL (Encyclopedia of Life)