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natural areas inventory - Niagara Peninsula Conservation Authority

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Checklist of the Vascular Plants of <strong>Niagara</strong> Regional Municipality, Ontario(M.J. Oldham March 2010)SCIENTIFIC NAME COMMON NAME NIAG NIAGARA NOTES HAMI HANO COSEWIC MNR SRANK FAMILYAchillea millefolium L. Yarrow CA common species of open, disturbed<strong>areas</strong>. The species is probably bothnative (ssp. lanulosa (Nutt.) Piper) andintroduced (ssp. millefolium) in <strong>Niagara</strong>,I/N I S5 ASTERACEAEbut the relative proportion of each is notwell known.Most reports of A. calamus (a rareintroduced European species) areactually this species, though A.Acorus americanus (Raf.)Sweet-flagR calamus, the sterile European triploid,Raf.may also occur. The two are veryR2 VU S4 ACORACEAEdifficult to distinguish (Packer andRingius 1984).Actaea pachypoda Elliott White Baneberry C Common in woodlands. C C S5 RANUNCULACEAERecent records from two sites andseveral additional historicallyActaea racemosa L. Black Cohosh Rdocumented locations. M.J. Oldham#34128 (NHIC) from Four Mile CreekI R3 S2 RANUNCULACEAEnear <strong>Niagara</strong>-on-the-Lake in 2007. =Cimicifuga racemosa.Actaea rubra (Aiton) Willd. Red Baneberry C Common in woodlands. C U S5 RANUNCULACEAEActaea x ludovici B. Boivin(A. pachypoda X A.rubra)hybAn uncommon hybrid between twonative species.hyb -- SE1 RANUNCULACEAEAdiantum pedatum L. Northern Maidenhair U Uncommon in rich woods. C C S5 PTERIDACEAEA pre-1975 report from St. JohnsAdlumia fungosa (Aiton)<strong>Conservation</strong> Area (<strong>Niagara</strong> FallsClimbing Fumitory RHE. Greene ex BrittonNature Club 1975) is the only regionalR1 RH S4 PAPAVERACEAEreport.Rare weed, first documented fromAegilops cylindrica Host Jointed Goat-grass IR Ontario near Port Colborne in 2006 (M.J. -- -- SE1 POACEAEOldham #32597, DAO, MICH, TRTE).Rare escape from cultivation (B. LarsonAegopodium podagraria L. GoutweedIR #91-199, TRT, from <strong>Niagara</strong> SectionEscarpment ANSI in 1991).I I SE4 APIACEAEAesculus glabra Willd. var.glabraOhio BuckeyeIRRare escape from cultivation (M.J.Oldham #32641, DAO, NHIC, fromwoods at Paradise Grove in 2006).Probably native in Canada only onWalpole Island (Darbyshire and Oldham1985).I -- S1 SAPINIDACEAENatural Heritage Areas Inventory, 2010 9-41

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