a glacier that moves down from a high valley

slender fern of northern North America with shining chestnut-colored stipes and bipinnate fronds with usually distinct marginal sori

slender fern of northern North America with shining chestnut-colored stipes and bipinnate fronds with usually distinct marginal sori

perennial rhizomatous herbs of Asia and Australia and Polynesia having ginger-scented rhizomes

southeastern Asian perennial with aromatic roots

southeastern Asian perennial with aromatic roots

southeastern Asian perennial with aromatic roots

southeastern Asian perennial with aromatic roots

southeastern Asian perennial with aromatic roots

southeastern Asian perennial with aromatic roots