(Parnassia), any of about 15 species of low perennial herbs, in the family Parnassiaceae, distributed throughout the Northern Hemisphere. The plants ... [1 related articles]
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http://www.britannica.com/eb/a-z/g/60
Grass of Parnassus (Parnassia palustris) is a perennial herb of the family Saxifragaceae. It is a bog plant native to Europe, north Africa, north and west Asia and North America. It has large solitary white flowers.
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http://www.probertencyclopaedia.com/browse/BGA.HTM
Plant, unrelated to grasses, found growing in marshes and on wet moors in Europe and Asia. It is low-growing, with a rosette of heart-shaped stalked leaves, and has five-petalled white flowers with conspicuous veins growing singly on stem tips in late summer. (
Parnassia palustris, family Parnassiaceae.)
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https://www.encyclo.co.uk/local/21221
No exact match found.
