水韭屬
Microspore \Mi"cro*spore\, n. [Micro- + spore.] (Bot.)
One of the exceedingly minute spores found in certain
flowerless plants, as {Selaginella} and {Isoetes}, which bear
two kinds of spores, one very much smaller than the other.
Cf. {Macrospore}.
Isoetes
n : type and genus of the Isoetaceae and sole extant genus of
the order Isoetales [syn: {genus Isoetes}]