relevé In phytosociology, the basic field unit recorded. The area should be uniform in floristic composition, and of uniform relief and soil type. The unit size varies with the type of community, but should at least embrace the minimal area. Site and soil data, as well as vegetation form, composition, and species are noted.

relevé In phytosociology, the basic field unit recorded. The area should be uniform in floristic composition, and of uniform relief and soil type. The unit size varies with the type of community, but at least should embrace the minimal area. Site and soil data, as well as vegetation form, composition, and species, are noted.