SafePlants

Bartramia pomiformis: Common Apple-Moss

Bartramia pomiformis, commonly known as common apple-moss or bartramia moss, is a fascinating species belonging to the Bartramiaceae family. Its unique apple-shaped capsules (spore cases) contribute to its distinctive appearance and common name.

Considerations for Pets

• This moss forms wide, deep cushions, which might be tempting for pets to investigate or even ingest.

Taxonomy and Nomenclature

• Scientific Name: Bartramia pomiformis Hedw.
• Common Names: Common Apple-Moss, Bartramia Moss, Apple Moss
• Family: Bartramiaceae
• Synonyms: Bartramia circinnulata C. Mll. & Kindb. in Mac., Bartramia crispa, Bartramia glauco-viridis, Bartramia pomiformis var.

Distribution and Habitat

• Bartramia pomiformis is found in moist, rocky woods, forming wide, deep cushions.

Morphological Characteristics

• Typically green or glaucous (bluish-grayish green) in hue.
• Forms pale glaucous green cushions.
• Distinguished by its apple-shaped capsules (spore cases).

Quirky Facts

• Bartramia pomiformis contains the novel macrocyclic biflavonoid bartramiaflavone, which consists of two equilibrating cyclo-oxo tautomers.

Related Species

• Bartramia halleriana (Haller's Apple-Moss or Haller's Bartramia Moss) is another species in the Bartramiaceae family.
• Bartramia stricta (Rigid Apple Moss) is a small, brownish-green moss found in North America, Europe, and Asia. It is also listed as a species at risk in Garry Oak and associated ecosystems in British Columbia.
• Bartramia ithyphylla (Straight-leaved apple-moss) is another related species, notable for its biflavonoid pattern.

Further Information

• Information and images are available through resources such as the USDA Agricultural Research Service.
• The Encyclopedia of Life also provides information on the Bartramiaceae family.
• Project Noah can be used to explore and document local wildlife, including mosses.