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natural areas inventory - Niagara Peninsula Conservation Authority

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EXCLUDED SPECIESChecklist of the Vascular Plants of <strong>Niagara</strong> Regional Municipality, Ontario(M.J. Oldham March 2010)SCIENTIFIC NAME COMMON NAME NIAGARA NOTES COSEWIC MNR FAMILYAsplenium scolopendrium L. var.americanum (Fern.) Kartesz &GandhiAmerican Hart'stongueFernApparently planted in the vicinity of <strong>Niagara</strong> Falls and/or <strong>Niagara</strong>Glen in the late 1800s, the basis for a number of early literature reports(Day 188, Cameron 1895, Zenkert 1934, Hamilton 1943). "The plantsat <strong>Niagara</strong> Falls, which are probably extirpated, may have been plantedthere" (Argus et al. 1982-1987). W. Scott (TRT) from <strong>Niagara</strong> Falls in1895. = Phyllitis scolopendrium, Scolopendrium vulgareSC SC ASPLENIACEAEBarbarea verna (Miller) Aschers Spring Winter-cressBetula populifolia MarshallBetula pubescens EhrhartBetula x sandbergii BrittonGray BirchEuropean White Birch(B. papyrifera X B.pumila)Bidens aristosa (Michaux) Britton Tickseed Beggar-ticksBidens laevis (L.) Britton, Sterns &Poggenb.Blephilia ciliata (L.) Benth.Boechera retrofracta (Graham) A.Löve & D. LöveSmooth Bur-marigoldDowny WoodmintHolboell's Rock-cressReported by Day (1888, as Barbarea praecox) from "Brock'sMonument, Ontario (Macoun)". This report possibly in error since notmentioned in Macoun's (1883-1892) "Catalogue of Canadian Plants".No subsequent reports from the region.Regional reports (e.g. Brady et al. 1980, Jonsson-Ninniss andMiddleton 1991) may be based on Betula pendula.Reports (as Betula alba) by Cameron (1895) and Yaki (1970) areprobably based on plantings.No specimens have been examined to substantiate reports fromWainfleet Bog (Jonsson-Ninniss and Middleton 1991), and notobserved during the ANSI <strong>inventory</strong> (Macdonald 1992). A hybridbetween B. papyrifera and B. pumila, the latter not known from<strong>Niagara</strong>.A 2007 report from Welland (NAI database) is unconfirmed. Thisintroduced species is otherwise known in Ontario only from Windsor.Local reports (e.g. Day 1888, Panton 1890, Cameron 1895), a speciesnot reliably known from Ontario (Morton and Venn 1990), areprobably based on Bidens cernua.A 1976 report (NAI database) is dubious and perhaps based on asimilar species (e.g. Clinopodium vulgare or Prunella vulgaris).Reported "... in the [<strong>Niagara</strong>] Glen" by Hamilton (1943; as Arabisholboellii). No specimens seen and not otherwise known fromsouthwestern Ontario (Oldham 1993); not known from New York state(Mitchell and Tucker 1997). = Arabis holboellii var. retrofracta.BRASSICACEAEBETULACEAEBETULACEAEBETULACEAEASTERACEAEASTERACEAELABIATAEBRASSICACEAEBotrychium lunaria (L.) Sw.Common MoonwortNo specimens have been located to substantiate early literature reportsfrom the <strong>Niagara</strong> Parks System (Cameron 1895) and <strong>Niagara</strong> Falls("found growing in open spaces in the woods near the School forApprentice Gardeners"; Hamilton 1943). This species is not otherwisereported from southwestern Ontario (Cody and Britton 1989).OPHIOGLOSSACEAENatural Heritage Areas Inventory, 2010 9-209

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