cotton grass

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Related to cotton grasses: common cotton grass

cotton grass,

common name for sedgessedge,
common name for members of the Cyperaceae, a family of grasslike and rushlike herbs found in all parts of the world, especially in marshes of subarctic and temperate zones.
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 of the genus Eriophorum.
References in periodicals archive ?
In the typical tundra, there are no trees, shrubs are scarce and sedges and cotton grasses dominate the herbaceous vegetation.
Plants it supports include sphagnum mosses, heathers and cotton grasses.
Over large parts of the moss there are heather, cotton grasses, bog myrtle and cross-leaved heath, as well as sphagnum moss carpets with sundew, and cranberry.