SafePlants

Dicranum scoparium: Broom Forkmoss

Dicranum scoparium, commonly known as broom forkmoss, is a species of moss prized for its distinctive appearance and versatility in home decor and terrariums.

Considerations for Pets and Children

• This moss sometimes grows in mounds or cushions.

Taxonomy and Nomenclature

• Scientific Name: Dicranum scoparium Hedw.
• Common Names: Broom Forkmoss, Mood Moss, Broom Moss, Wind-blown Moss, Fork Moss, Rock Cap Moss
• Family: Dicranaceae
• Synonyms:
  • Dicranum polysetum Sw.
  • Dicranum congestum Brid.
  • Dicranum congestum ssp. fuscescens (Turn.) Amann
  • Orthodicranum fulvum (Implied from alternate use with Dicranum fulvum)
• Variety:
  • Dicranum majus var. orthophyllum A. Br. ex Milde
  • Dicranum bonjeanii De Not. in Lisa

Distribution and Habitat

• Native to North America, including the Great Lakes region.
• Also found from Alaska to California.
• Prefers acid soils or rock substrates.
• Thrives best in shady locations.
• May be found growing atop rocks.

Morphological Characteristics

• Can reach up to 10 cm in height.
• Forms yellow-green or dark green cushions or large patches.
• Leaves are 4 to 7.5 mm long and narrowly shaped.
• Leaves grow asymmetrically, resembling bent swords.
• Described as a robust, densely tufted cushion moss.

Interactions with Other Organisms

• Snails tend to avoid moss, potentially due to the presence of oxylipins.

Quirky Facts

• Dicranum scoparium is often labeled as "mood moss" because its appearance changes with moisture levels; it appears wispy and irregular when dry but more vibrant when moist.

Additional Information

• The provided text references several institutions and databases, including Wikipedia and iNaturalist, that may offer further information.