Vertebrata subulifera
species of algae

Vertebrata subulifera (Polysiphonia subulifera (C.Agardh) Harvey) is a small marine alga in the division Rhodophyta.
Description
This alga consists of branched thalli growing to a length of 20 cm. It grows as tufts of very branched axes attached by rhizoids. A main branch is absent. In section the main branches can be seen to be composed of a central axis with 12 pericentral cells all of equal length. Trichoblasts are abundant.
Similar to Vertebrata fruticulosa (Boergeseniella fruticulosa) which it is distinguished by small corticated cells.
Habitat
Growing on the seashore on pebbles and other surfaces at the very low water.
Distribution
Ireland, Great Britain and north-west France.
Begin with the source’s own compact description: “Vertebrata subulifera” is species of algae. The dossier treats that line as a proposition to test through Vertebrata, subulifera and species, not as a finished interpretation.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Oct 13, 2024. The linked authority identifier is Q43228177. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Vertebrata subulifera” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.