-are (locative suffix), suffix denoting a community.
aspect (aspectus, appearance), the seasonal impress of a formation, e.g., the spring aspect.
association, the arrangement of individuals in vegetation.
atmometer (ἀτμός, vapor), an instrument for measuring evaporation.
atropurpureus, dark purple.
atrovirens, dark green.
autochore (αὐτός, self), motile plants, or those with motile spores; autochthonous (χθών, ground), native.
avellaneus, drab.
barrier, a physical or biological obstacle to migration or ecesis.
bathyphyti´um (βαθύς, low), a lowland plant formation.