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Polysiphonia stricta

species of alga

Specimen drawers, botanical folios and brass scientific instruments under study light
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionMar 10, 2021
Entity authorityQ3395813 ↗
Source-derived summary

Polysiphonia stricta is a small red marine alga in the Division Rhodophyta.

Polysiphonia stricta forms dense clumps of branching axes. The plants grow to 25 cm high.

Description

P. stricta grows as small tufts of much branched tufts, growing to no more than 25 cm high. The axes are erect, ecorticate, with 4 periaxial cells growing from prostrate axes. All 4 of the periaxial cells are of the same length.

Reproduction

Spermatangial branchlets are formed in clusters at the apices. Cystocarps are on wide stalks and are urceolate. The tetraspores are in series in the final branches.

Habitat

Epizoic and epiphytic in the low littoral to 20 m.

Editorial summary

This brief starts where responsible research should: with the source description of “Polysiphonia stricta” as species of alga. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current 108-word lead offers orientation but no explicit four-digit date, so chronology should not be assumed. The selected authority fields contribute no independent date. The account is most persuasive where Polysiphonia, stricta and species can be independently traced.
Editorial analysis

Why this record matters

The subject matters to the science & nature register because the source frames it as species of alga. Its deeper value depends on whether names, dates, institutions and citations support that framing.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Mar 10, 2021. The linked authority identifier is Q3395813. None of the 0 selected statements returned an explicit reference.

Critical limits

Scientific names, classifications and consensus can change while older terminology persists in catalogues and historical literature. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

Check terminology, classification and the date of the cited evidence. Scientific names and technical consensus can change while older records retain historical value.

Best used for
  • Current terminology
  • Classification context
  • Finding cited technical literature
Verify next

Primary datasets, specimen catalogues, standards bodies and the most recent peer-reviewed literature.

Three-step research path

  1. Establish the record: confirm the title “Polysiphonia stricta”, its source revision and the description used here.
  2. Expand the search: follow Polysiphonia stricta primary sources, Polysiphonia stricta archive and Polysiphonia research across catalogues and specialist indexes.
  3. Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.

Questions for further research

  1. Which source most directly establishes the central claim about “Polysiphonia stricta”?
  2. Has classification or technical consensus changed since the cited source?
  3. Is the terminology current, historical or disputed?
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Source & attribution

This entry incorporates text from “Polysiphonia stricta” 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.