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Cololejeunea minutissima

Scientific Name: Cololejeunea minutissima

Family: Lejeuneaceae

Category: Liverwort

Growth: Nonvascular

Duration:

Other Names:

       

Cololejeunea minutissima

Cololejeunea minutissima, commonly known as Minute Pouncewort, is a delicate liverwort belonging to the family Lejeuneaceae.

Taxonomy and Nomenclature

  • Scientific Name: Cololejeunea minutissima (Sm.) Schiffn.
  • Authority: (Sm.) Schiffn. in Engler &amp Prantl.
  • Common Name: Minute Pouncewort
  • Family: Lejeuneaceae
  • Kingdom: Plantae
  • Rank: Species
  • Synonyms:
    • Aphanolejeunea minutissima (Sm.) Horik.
    • Cololejeunea myriocarpa (as a synonym of Cololejeunea minutissima ssp. myriocarpa)
    • Lejeunea lhotskiana Hampe
    • Steph. of Cololejeunea minutissima (Sm.) Steph. Leptocolea
  • Subspecies:
    • Cololejeunea minutissima ssp. minutissima
    • Cololejeunea minutissima ssp. myriocarpa (Nees &amp Mont.) R.M. Schust.

Distribution and Habitat

Cololejeunea minutissima is a pantropical liverwort occurring all over the world in a variety of habitats. It has been observed in locations such as Dorset and Berkshire in the UK, specifically at Whiteknights and Greenham Common. Bollogas near Newlyn in 1841 is also noted. Some records mention its presence in Worcester Co., Maryland, USA and Misiones. It is considered a Southern-temperate Hyperoceanic element.

Morphological Characteristics

  • The shoots are slender, up to 4 mm long and 0.5 mm wide.
  • Perianths look like 5-pointed stars emerging from dense patches of shoots.

Ecology

This liverwort grows mainly on western hazels and can be found on leaning trunks of small smooth-barked Ash trees within narrow woodland belts on exposed south-west-facing hillsides.

Interactions with Other Organisms

Cololejeunea minutissima grows with the moss Ulota calvescens (balding pincushion moss) on western hazels.

Quirky Facts

  • Only female plants of a similar species have been found in the U.K.

Further Information

  • British Bryological Society Checklist of British and Irish Bryophytes
  • Encyclopedia of Life
  • Tropicos
  • Discover Life
  • Royal Botanic Garden Edinburgh
  • Australian Plant Census