Toothcup (also known as toothcup meadow-foam in British Columbia) (Rotala ramosior) was designated by the Committee on the Status of Endangered Wildlife in Canada (COSEWIC) as Endangered in April 1999 and this status was confirmed in 2000. Toothcup is listed as Endangered under Schedule 1 of the federal Species at Risk Act. The plant is listed as Endangered under Ontario's Endangered Species Act 2007.
There are three extant populations and one likely extirpated population in British Columbia, and four extant populations and one extirpated population The largest viable population occurs in British Columbia on private land. Plants on First Nations land made up an additional 1.5% of the British Columbia population. In Ontario, there is an approximately equal split between plants on public (Crown and provincial park land) versus private lands.
Toothcup is currently Red-listed (S1) (critically imperiled) in British Columbia and Ontario. The species is listed as Endangered (Not Regulated) on the Species at Risk in Ontario list, and is a candidate for regulation under the provincial Endangered Species Act (1971). Toothcup is an annual, obligate wetland plant that is subject to wide fluctuations in numbers based on rainfall and water levels. Biologically limiting factors include restricted habitat availability and specific germination requirements, resulting from toothcup's affinity for strongly fluctuating water levels. Threats to toothcup include habitat loss or degradation; changes in ecological dynamics or natural processes (flood regime); invasive species; and cattle browsing, trampling and recreational activities (ATV use) which are potential minor threats.
National Toothcup Recovery Team. 2008. Recovery Strategy for the toothcup (Rotala ramosior) in British Columbia and Ontario. Ministry of Environment. BC Recovery Strategy (Species at Risk)
Topic: Recovery Planning
Keywords: sara, cosewic, bc, species at risk, recovery planning
Scientific Name: Rotala ramosior
English Name: Toothcup Meadow-foam
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