yellow-green algae

American  

Or yellow green algae

noun

Biology.

1. 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.

---

Etymology

Origin of yellow-green algae

First recorded in 1925–30

Example Sentences

The further I go, the more dreamlike the dive becomes, drapes of yellow-green algae on the rock walls wafting in the current.

From The Wall Street Journal