SafePlants

Barbula Mosses

This page provides information about various mosses belonging to the genus Barbula, often referred to collectively as "barbula moss." Several species are mentioned, including Barbula unguiculata, Barbula convoluta, Barbula indica, and others.

Considerations for Pets

• Some Barbula species are described as forming turfs or cushions. It may be a choking hazard if pets ingest these.

Taxonomy and Nomenclature

• Kingdom: Plantae (from "Facts on Barbula Moss")
• Group: Moss (mentioned generally)
• Family: Pottiaceae (explicitly stated for Barbula)
• Genus: Barbula
• Accepted Scientific Name: Examples include Barbula unguiculata Hedw., Barbula convoluta Hedw., Barbula indica.
• Common Name: Generally referred to as "barbula moss". Other common names mentioned for specific species include "Bird's-claw Beard-moss" (Barbula unguiculata), "convoluted barbula moss" (Barbula convoluta), and "Lesser Bird's-claw Beard-moss" (Barbula convoluta). "Tufted Barbula Moss" (Barbula caespitosa).
• Synonyms: Barbula unguiculata f. apiculata (Hedw.) Mnk., Barbula unguiculata f. propagulosa Crum.
• Symbol: BARBU2

Distribution and Habitat

• In California, Barbula species are described as rather uncommon plants of disturbed or semi-desert sites.
• One species, Barbula unguiculata, was isolated from a road margin in Osaka, Japan.

Morphological Characteristics

• Barbula unguiculata grows in distinctive, bright yellow-green turfs up to 1.5 cm tall.
• The leaves of Barbula unguiculata are usually 1.5 to 2 mm long and spread away from the stem when moist.

Interactions with Other Organisms

• A new species of Pythium, Pythium barbulae, was isolated from a non-symptomatic Barbula unguiculata moss.
• Used as a bio-monitor for metals.

Resources and Further Information

• USDA, NRCS. The PLANTS Database.
• Integrated Taxonomic Information System (ITIS).
• GBIF (Global Biodiversity Information Facility).