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crossidium moss
Scientific Name: Crossidium crassinerve
Family: Pottiaceae
Category: Moss
Growth: Nonvascular
Duration:
Other Names:
Crossidium Moss
The genus Crossidium, commonly known as crossidium moss, is a fascinating group of mosses belonging to the family Pottiaceae.
Taxonomy and Nomenclature
- Scientific Name: Crossidium
- Family: Pottiaceae
- Phylum: Bryophyta
- Class: Bryopsida
- Order: Pottiales
- Genus: Crossidium
Synonyms and related species mentioned include:
- Crossidium aberrans
- Crossidium crassinerve (De Not.) Jur.
- Crossidium desertorum Holz. & Bartr.
- Crossidium rosei Williams - Rose Crossidium Moss
- Crossidium seriatum Crum & Steere - Tiny Tassel Moss
- Crossidium spiralifolium Magill.
- Crossidium squamiferum (Viv.) Jur.
- Synonym for Crossidium squamiferum: Barbula squamifera Viv., Ann. Bot. (Genoa) 1(2): 191. 1804.
Distribution and Habitat
- Crossidium species are found in various regions, including the USA, Canada, South Africa (Western Cape Province), and Dagestan.
- Crossidium squamiferum is especially common on thin soil over boulders and often grows as linear colonies in cracks in rock.
- Crossidium crassinerve is found in the Mojave Desert of Nevada (USA).
- Crossidium crassinervium var. crassinervium occurs mostly as scattered stems in sandy arid areas.
Morphological Characteristics and Growth Habits
- Crossidium seriatum (Tiny Tassel Moss) is a small dark green to golden brown moss.
- Crossidium species often form dense, hoary tufts and are extremely small herbaceous mosses that rarely.
- All Crossidium species share some growth of filaments.
Ecological Role
- Some Crossidium species, like Crossidium crassinerve, exhibit desiccation tolerance, an adaptation to desert environments.
Interactions with Other Organisms
- Crossidium species can grow in extensive covers of lichens.
Further Information
- Taxonomic information can be found at Integrated Taxonomic Information System (ITIS) with Taxonomic Serial Number (TSN) 548250 for Crossidium squamiferum and 547684 for Crossidium seriatum.
- Additional information may be available at the USDA and Encyclopedia of Life.
- Information about Crossidium aberrans can be found in the Drone-Application-Server database.