White mountain-avens can be found in Arctic and alpine areas of Europe, Asia and North America (extending as far south as Colorado). It is colony-forming and quite common along higher elevation rocky roadsides in Jasper and Banff National Parks; mid-September is a good time to witness it in fruit en masse.

The US Forest Service provides a detailed account of Dryas octopetala (PDF). For a quicker read, Paul Slichter writes about Dryas octopetala on his wildflowers of Oregon and Washington site.

Posted by: Daniel Mosquin    Source

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