Dense, Low-Lying Clouds
This page is the CodyCross answer for the clue below from Forests, Group 1985, Puzzle 5 (Flowering Plants).
Question is: Dense, Low-Lying Clouds
and the answer is: GROUNDFOG
Word Meaning:
GROUND FOG — (weather) A low-lying fog extending only a few feet above ground.
Definitions from Wiktionary.