Abstract
In Canada, the globally rare lycophyte, Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia. These constitute just over a quarter of all known subpopulations in Canada and the United States. The species is found in Canada in sloping pocket meadows that are naturally fragmented within a larger forested matrix. The plants grow in spring seepage areas in thin soils that discourage the establishment of larger, more vigorous vascular plant competitors. Long combined within Isoetes howellii (sensu lato), I. minima has only recently been confirmed to be a distinct species, and, in 2019, it was assessed as Endangered by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC). We build on information in the COSEWIC status report by describing the species’ morphology and ecology in greater detail and provide a comparison of critical identification features of closely related species as well as a dichotomous key for Isoetes species in British Columbia.
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Claims 7
Claim · model-written summary
Isoetes minima is currently known from four subpopulations, all within a 25-km radius of Castlegar in southern British Columbia.
- Taxon
- Isoetes minima
Isoetes minimae0 - Outcome
- subpopulationse0
- Value
- foure0
- Setting
- Castlegare0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia”
Claim · model-written summary
The four known subpopulations make up just over a quarter of all known subpopulations in Canada and the United States.
- Taxon
- Isoetes minimaIsoetes minimae0
- Outcome
- all known subpopulationse1
- Value
- just over a quartere1
- Setting
- Canada and the United Statese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia”
e1“These constitute just over a quarter of all known subpopulations in Canada and the United States”
Claim · model-written summary
Isoetes minima is found in sloping pocket meadows in Canada that are naturally fragmented within a larger forested matrix.
- Taxon
- Isoetes minimaIsoetes minimae0
- Outcome
- sloping pocket meadowse2
- Qualifier
- naturally fragmented within a larger forested matrixe2
- Setting
- Canadae2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia”
e2“The species is found in Canada in sloping pocket meadows that are naturally fragmented within a larger forested matrix”
Claim · model-written summary
Isoetes minima grows in spring seepage areas.
- Taxon
- Isoetes minimaIsoetes minimae0
- Outcome
- spring seepage arease3
- Qualifier
- thin soils that discourage the establishment of larger, more vigorous vascular plant competitorse3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia”
e3“The plants grow in spring seepage areas in thin soils that discourage the establishment of larger, more vigorous vascular plant competitors”
Claim · model-written summary
Isoetes minima has only recently been confirmed as a distinct species.
- Taxon
- I. minimaIsoetes minimae4
- Outcome
- distinct speciese4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e4“I. minima has only recently been confirmed to be a distinct species”
Claim · model-written summary
Isoetes minima was assessed as Endangered by COSEWIC in 2019.
- Taxon
- Isoetes minimaIsoetes minimae0
- Outcome
- assessed as Endangerede5
- Qualifier
- by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC)e5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Columbia Quillwort (Isoetes minima), is currently known from four subpopulations, all within a 25-km radius of Castlegar in the Selkirk and Monashee Mountain ranges of southern British Columbia”
e5“in 2019, it was assessed as Endangered by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC)”
Claim · model-written summary
A comparison of critical identification features of closely related species and a dichotomous key for Isoetes species in British Columbia are provided.
IsoetesOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e6“provide a comparison of critical identification features of closely related species as well as a dichotomous key for Isoetes species in British Columbia”