acrogens defined in 1939 yearacrogens - Acrogens (Gr. akron, top; gen-, to be born);
acrogens - Plants that grow by additions to the summit only. The term was formerly used to denote the higher Cryptogams, ferns, mosses and horsetails, while the lower Cryptogams, algae and fungi, were called amphigens (growing all over). Apical growth occurs also in algae, however. But both terms are now obsolete.
near acrogens in Knolik
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