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is a rare seaweed
Seaweed is a loose, colloquial term encompassing macroscopic, multicellular, benthic marine algae. The term includes some members of the red, brown and green algae...
species in the Rhodophyta, described for the first time in 1988.
is a small creeping alga that forms prostrate low-growing tufts on the surface of calcareous
Calcareous is an adjective meaning mostly or partly composed of calcium carbonate, in other words, containing lime or being chalky. The term is used in a wide variety of scientific disciplines.-In zoology:...
substrata. The narrow compressed axes form peg-like rhizoidal attachment organs, and the axes branch laterally to form irregular pinnate branches. There are no true erect axes since all branches are in an horizontal plane. The axes which grow up at first always curve down and re-attach. They grow to at least 30 millimetres (1.2 in) long and are dark reddish brown. The species is very rare and may be under-recorded; it is sublittoral and not easily determined.
is common in the British Isles
The British Isles are a group of islands off the northwest coast of continental Europe that include the islands of Great Britain and Ireland and over six thousand smaller isles. There are two sovereign states located on the islands: the United Kingdom of Great Britain and Northern Ireland and...
and is similar in structure however it branches regularly and the production of tetraspores in stichnidia is different as is the internal structure when studied microscopically.