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Blepharostoma

Scientific Name: Blepharostoma

Family: Pseudolepicoleaceae

Category: Liverwort

Growth:

Duration:

Other Names:

       

Blepharostoma trichophyllum

Blepharostoma trichophyllum is a liverwort belonging to the family Pseudolepicoleaceae. It is also known by the common names Hairy Threadwort and Mini Rose Moss/Mini Pearl Moss.

This delicate liverwort is admired for its thread-like shoots and ease of cultivation in low-light aquariums.

Considerations for Pets

  • Blepharostoma trichophyllum is often grown in aquariums.

Taxonomy and Nomenclature

  • Scientific Name: Blepharostoma trichophyllum (L.) Dumort.
  • Division: Marchantiophyta (often incorrectly referred to as Hepatophyta in some U.S. government taxon databases)
  • Family: Pseudolepicoleaceae (also listed as Blepharostomataceae in some sources)
  • Synonyms: Jungermannia trichophylla (based on the "Discover Life" entry)
  • Subspecies: Blepharostoma trichophyllum subsp. brevirete (Bryhn & Kaal.) R.M. Schust., Blepharostoma trichophyllum subsp. trichophyllum (L.) Dumort.

Distribution and Habitat

  • Blepharostoma trichophyllum is found in northern mountainous regions of Europe, Asia, and North America. Specific locations include Austria (Salzburg), Alaska (Endicott Mountains, Brooks Range), and the western Himalaya (India, new species closely related).
  • It is a boreo-arctic montane circumpolar element.

Morphological Characteristics and Growth Habits

  • This is a bright or pale green, slender liverwort with thread-like shoots.
  • It is a very small liverwort that often grows intermixed with other bryophytes.
  • The leaves are transversely inserted and deeply divided.

Ecological Role

  • It can be found growing intermixed with other bryophytes.

Other Interesting Facts

  • It can survive in aquariums with very low lighting.
  • There is a mini version referred to as "Mini Rose Moss."
  • Gemmae (asexual propagules) have been observed near Greencastle, Putnam Co., Indiana.

Further Information

  • USDA PLANTS database
  • The Plant List
  • ITIS (Integrated Taxonomic Information System) - TSN 14254
  • DELTA database (for Blepharostoma)
  • Wikimedia Commons
  • iNaturalist
  • NYBG Virtual Herbarium
  • Musum national d'Histoire naturelle