Has a predilection for moist circumneutral or less acidic sites, including the shores of the Severn River, abandoned sand or gravel pits, and ditches along roads or railways, especially where there is a calcareous substrate. Often growing in moss, sometimes in open areas or in partial to full shade beneath willows, alders and other shrubs. Companion plants vary considerably from site to site, but include Closed Gentian, Rose Pogonia, Nodding Ladies'-tresses, Field Milkwort, Poison Ivy and Variegated Horsetail. Blooms in mid June. Rare in Muskoka.
( TRT )
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Last revision: 7/10/96
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