phytocoenosis
/ˌfʌɪtəʊsɪˈnəʊsɪs/(also phytocoenose) Ecology
noun
A community of plants; all of the plant species found at a particular site, considered collectively.
Origin
1930s. From phyto- + Hellenistic Greek κοίνωσις mingling, sharing. Compare Italian fitocenosi.