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Cirsium pitcheri, sometimes called Pitcher's thistle or dune thistle, is a species of thistle native to sand dune shorelines along the upper Great Lakes. It is native Description · History and identification · Distribution.
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Photographs with specific locations or mapping coordinates are always helpful. Volunteer with your local nature club or provincial park to participate in surveys or stewardship work focused on species at risk. Skip to main content.
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Recommended for you How species at risk are protected Species at risk in Ontario List How to comment on protecting species at risk How to get an Endangered Species Act permit or authorization Conserving biodiversity. Natural factors, such as browsing by White-tailed deer are also a threat to this thistle.
Action we are taking Threatened Species and their general habitat are automatically protected. Recovery strategy A recovery strategy advises the ministry on ways to ensure healthy numbers of the species return to Ontario.
Read the executive summary May 31, Read the recovery strategy May 31, Government response statement A government response statement outlines the actions the government intends to take or support to help recover the species. Read the habitat summary January 1, Read the regulation January 1, What you can do Report a sighting Report a sighting of an endangered animal or plant to the Natural Heritage Information Centre.
Volunteer Volunteer with your local nature club or provincial park to participate in surveys or stewardship work focused on species at risk. Be a good steward Private land owners have a very important role to play in species recovery; if you find Pitchers thistle on your land, you may be eligible for stewardship programs that support the protection and recovery of species at risk and their habitats. Zina Pitcher, who discovered the plant while serving as an army surgeon during the s at Fort Brady, Sault Ste.
Thistles and sand · Álvaro Toledo
Marie on Lake Superior. Share facebook twitter Print. Tags Environment and energy , Wildlife and nature , Species at risk. However, climate did influence weevil synchrony with wavyleaf flower head initiation, and phenological synchrony was important in determining R.
The earlier R.
Thistles plant on the beach.
Neither weevil abundance nor availability of wavyleaf flower heads predicted R. Instead, the strongest predictor of R. Egg load on wavyleaf thistle decreased as the number of Platte thistle flower heads at a site increased. Thus, wavyleaf thistle experienced associational defense in the presence of flowering by its now declining native congener, Platte thistle.