> as lemmas

1916 F. E. Clements Plant Succession ix. 182 While the surfaces of rock and of dune-sand may be almost equally dry, the differences of hardness and stability result in very dissimilar adseres. These may be distinguished as lithoseres..and psammoseres.

1964 V. J. Chapman Coastal Vegetation vi. 150 The dune succession..is quite clearly a prisere, and since it develops on sand it is often known as a Psammosere.

1984 Jrnl. Ecol. 72 26 Early successional composition was..considered to be highly deterministic, allowing the definition of a multitude of seres (eusere, hydrosere, mesosere, psammosere, pyrosere, xerosere, etc.).