Ulothrix flacca is a small filamentous marine algae.

Ulothrix flacca
Scientific classification Edit this classification
(unranked): Viridiplantae
Division: Chlorophyta
Class: Ulvophyceae
Order: Ulotrichales
Family: Ulotrichaceae
Genus: Ulothrix
Species:
U. flacca
Binomial name
Ulothrix flacca
(Dillwyn) Thuret, 1863

Description edit

This species grows as small tufts of green unbranched filaments growing to no more than 10 cm long forming woolly masses. Cells 14.4–32.6μm broad and 4.8–9.6μm [1][2]Ulothrix pseudoflacca and Ulothrix consociata are considered to be forms of Ulothrix flacca by some biologists. Sometimes difficult to distinguish Ulothrix from Urospora.[2]

Distribution edit

Common all around the British Isles. Recorded from Scandinavia south to Portugal, in the Mediterranean and the Black Sea. Also all around the world into the Pacific.[2]

Habitat edit

It is found on rocks, stones and epiphytically on other algae.[2]

References edit

  1. ^ Newton, L. 1931. A Handbook of the British Seaweeds. British Museum
  2. ^ a b c d Burrows, E.M.1991. Seaweeds of the British Isles Volume 2 Chlorophyta. Natural History Museum, LondonISBN 0-565-00981-8