yel'low-green al'gae

a group of common single-celled and colonial algae of the phylum Chrysophyta, having mostly yellow and green pigments, occurring in soil and on moist rocks and vegetation and also as a slime or scum on ponds and stagnant waters. Also,yel'low green" al'gae.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

yellow-greenyellow gum
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