— phytosociologic /fuy'teuh soh'see euh loj"ik, -soh'shee-/ , phytosociological , adj. — phytosociologially , adv. — phytosociologist , n.
/fuy'toh soh'see ol"euh jee, -shee-/ , n.
the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
[ 1925-30; PHYTO- + SOCIOLOGY ]