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Polygonum douglasii var. johnstonii

variety of plant
Taxon taxon Q39600118
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Key Facts

  • Taxon rank: variety[1]
  • Parent taxon: Polygonum douglasii[2]
  • Taxon name: Polygonum douglasii var. johnstonii[3]
  • Basionym of: Johnston's Knotweed[4]

Body

Identifiers

Polygonum douglasii var. johnstonii's GBIF taxon ID is recorded as 5652855[5]. Polygonum douglasii var. johnstonii's ITIS TSN is recorded as 539062[6].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [1] ↑ . wikidata.org.
  2. [2] ↑ . wikidata.org.
  3. [3] ↑ . wikidata.org.
  4. [6] ↑ . Integrated Taxonomic Information System. Retrieved . wikidata.org.
  5. [5] ↑ . Global Biodiversity Information Facility. Retrieved . wikidata.org.
  6. [4] ↑ . wikidata.org.

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). Polygonum douglasii var. johnstonii. Retrieved October 8, 2026, from https://4ort.xyz/entity/polygonum-douglasii-var-johnstonii
MLA “Polygonum douglasii var. johnstonii.” 4ort.xyz Knowledge Graph, 4ort.xyz, 8 Oct. 2026, https://4ort.xyz/entity/polygonum-douglasii-var-johnstonii.
BibTeX @misc{4ortxyz_polygonum-douglasii-var-johnstonii_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Polygonum douglasii var. johnstonii}}, year = {2026}, url = {https://4ort.xyz/entity/polygonum-douglasii-var-johnstonii}, note = {Accessed: 2026-10-08}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Polygonum douglasii var. johnstonii — https://4ort.xyz/entity/polygonum-douglasii-var-johnstonii (retrieved 2026-10-08)

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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 6d ago · Mrwdat3 · 2026-10-08 view diff on Wikidata ↗
    Imported from → —
    World flora online id → wfo-0000490651
    Taxon name → Polygonum douglasii var. johnstonii
    Instance of → taxon
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbcreateclaim-create:1| */ Vascan id: 19186, [[:toollabs:quickstatements/#/batch/289880|batch #289880]]"
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