Marsh Marigold (Caltha palustris)
Tuberous Water-lily (Nymphaea odorata ssp. tuberosa)
Red Trillium (Trillium erectum)
 Plants of Lanark County, Ontario (Revised Edition)
  by David J. White
Links
The following sites are useful botanical references.

Flora of North America - an ongoing project based at Harvard University with 8 of a planned 30 volumes on the North American flora now published. Bound volumes can be purchased but all text and illustrations are available free online.
Flora Ontario - checklist and database of Ontario plants with full synonomy, based at the University of Guelph.
Northern Ontario Plant Database - an ongoing project based at Algoma University College and Great Lakes Forestry Centre, Sault Ste. Marie to make available descriptions and specimen information on northern Ontario plants.
Natural Heritage Information Centre - species list for significant vascular plants in Ontario. Part of the Ministry of Natural Resources.
The Field Botanists of Ontario - details of planned field trips and useful links.
The Canadian Wetland Classification System - second edition. This publication (in PDF format) can be downloaded free of charge.
COSEWIC - Committee on the Status of Endangered Wildlife in Canada. Information on rare, threatened, and endangered species.
Walter Muma's Plant sites - illustrates many southern Ontario trees & shrubs, wildflowers, ferns, and grasses, sedges, & rushes. Walter's sites contain extensive links.
Andy's Northern Ontario Wildflowers - illustrates many central and northern Ontario wildflowers, ferns, mosses, lichens, and fungi.
The US Dept. of Agriculture Plants Database - checklist of US plants with full synonomy, distribution maps, and photos.

© David J. White 2008
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