| Ulothrix flacca | |
|---|---|
 | |
Scientific classification  | |
| (unranked): | Viridiplantae |
| Division: | Chlorophyta |
| Class: | Ulvophyceae |
| Order: | Ulotrichales |
| Family: | Ulotrichaceae |
| Genus: | Ulothrix |
| Species: | U. flacca |
| Binomial name | |
| Ulothrix flacca | |
Ulothrix flacca is a small filamentous marine algae.
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]
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]
It is found on rocks, stones and epiphytically on other algae. [2]
Ulva lactuca, also known by the common name sea lettuce, is an edible green alga in the family Ulvaceae. It is the type species of the genus Ulva. A synonym is U. fenestrata, referring to its "windowed" or "holed" appearance, Despite the name, it is not a lettuce
Ulothrix is a genus of green algae in the family Ulotrichaceae.
Ceramium is a genus of Ceramium algae. It is a large genus with at least 15 species in the British Isles.
Corallina officinalis is a calcareous red seaweed which grows in the lower and mid-littoral zones on rocky shores.
Osmundea pinnatifida is a species of red alga known by the common name pepper dulse.
Chaetomorpha melagonium is a species of green algae of the family Cladophoraceae.
Polysiphonia lanosa is a common species of the red algae (Rhodophyta) often to be found growing on Ascophyllum nodosum.
Polysiphonia brodiei (Dillwyn) Sprengel, now generally spelled "brodiaei", as it is named after James Brodie is a species of red algae in the Rhodophyta. It grows in tufts up to 36 cm long.
Polysiphonia elongata is a small red marine algae in the Rhodophyta.
Polysiphonia elongella Harvey in W.J. Hooker is a branched species of marine red algae in the genus in the Polysiphonia in the Rhodophyta.
Polysiphonia stricta is a small red marine alga in the Division Rhodophyta.
Melobesia membranacea is a small marine alga encrusting on the surface of other algae. In the division of the Rhodophyta.
Ceramium echionotum is a small marine alga in the division Rhodophyta.
Ceramium ciliatum is a small marine red alga in the Division Rhodophyta.
Ceramium shuttleworthianum is a small marine red alga.
Hypoglossum hypoglossoides, known as under tongue weed, is a small red marine alga in the family Delesseriaceae.
Delesseria sanguinea is a red marine seaweed.
Osmundea hybrida is a fairly small marine red alga.
Lithophyllum incrustans, also known by its common names coraline crust and paint weed, is a small pinkish species of seaweed.
Ulothrix speciosa is a small green marine alga.
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