On the Distributional History of the Arctic-alpine Moss Cyrtomnium hymenophylloides (Mniaceae) in North America.
|Title||On the Distributional History of the Arctic-alpine Moss Cyrtomnium hymenophylloides (Mniaceae) in North America.|
|Publication Type||Journal Article|
|Year of Publication||1996|
Herbarium specimens of Cyrtomnium hymenophylloides document that this calcicole moss is widespread at lowland stations across the North American Arctic, largely north of treeline. It is found southward in the Rocky Mountains of western Canada, often in high elevation vegetation, and in New York-New England-eastern Canada in mountainous areas, but at lower altitudes beneath deciduous or conifer-deciduous forest. Its southeasternmost disjunct stations, which occur north of the glacial boundary, are interpreted as relicts on the basis of a late-Pleistocene fossil recovered from sediment of glacial Lake Hitchcock, southeastern Vermont. Extant