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leucobryum moss

Scientific Name: Leucobryum antillarum

Family: Leucobryaceae

Category: Moss

Growth: Nonvascular

Duration:

Other Names:

       

Leucobryum: The Pincushion Moss

Leucobryum, commonly known as pincushion moss or white moss, is a genus of cushion-forming mosses. The most frequently mentioned species is Leucobryum glaucum, also known as White Pincushion Moss or Large White-moss.

Considerations for Pets and Children

  • Leucobryum mosses form dense cushions.

Taxonomy and Nomenclature

  • Scientific Name: Leucobryum Hampe
  • Common Names: Pincushion Moss, White Moss, Cushion Moss
  • Family: Dicranaceae (when referring to true mosses in Class Bryopsida and Order Dicranales) or Leucobryaceae (as shown for a photo from Loista, Gotland, Sverige).
  • Class: Bryopsida (True Mosses)
  • Synonyms: Leucobryum glaucum (Hedw.) Ångstr., Leucobryum glaucum (Hedw.) Ångstr. ex Fr.
  • Taxonomic Rank: Genus
  • Note: The genus was described by Hampe in 1839.

Distribution and Habitat

Leucobryum mosses are found growing wild worldwide and have become popular in residential gardens. Leucobryum glaucum, in particular, has been observed in locations such as Sheepskin Hollow, Columbiana County, Ohio; Epping Forest, Essex, England; and east Tennessee. They thrive on various substrates and are adaptable to sandy soil, shade, and partial sun.

Morphological Characteristics and Growth Habits

  • Leucobryum mosses form small to large, erect, dense cushions, typically ranging from 0.5 to 20 cm in height.
  • Their color varies from deep to light green, whitish, grayish, or bluish-green, depending on moisture content.
  • The cushions can appear silvery-white.

Genetic Information

  • Leucobryum glaucum has a single set of chromosomes, making it haploid.

Ecology and Interactions

  • Leucobryum candidum is an epiphyte.

Resources and Further Information

  • Encyclopedia of Life
  • British Bryological Society Checklist of British and Irish Bryophytes
  • Q?rius collection
  • APHOTOFLORA - Photographic Stock Library