society, a subdivision of the formation, characterized by a principal species.
sparse, scattered singly.
spermatostrote (σπέρμα, ατος, seed), a plant migrating by means of seeds.
sphyri´um (σφύρον, ankle, talus), a succession in a talus soil.
spongophyll (σπόγγος, a sponge), a leaf consisting of sponge tissue.
sporadophyti´um (σποράς, άδος, scattered), an open formation.
-spore (σπορά, seed, fruit), combining term for migration contrivance; sporostrote, a plant migrating by means of spores.
stability, the condition in which the plant makes little or no response.
stabilization, the tendency typical of succession, in which the successive stages become more stable.
stasi´um (στάσις, a standing), a stagnant pool formation; stasad, a plant of stagnant water.