acrocarpous moss(n = noun.plant) acrocarp - a moss in which the main axis is terminated by the archegonium (and hence the capsule);
is a kind of moss

acrocarpous, arctic moss, beard moss, black moss, bog moss, club moss, iceland moss, irish moss, little club moss, long moss, moss, moss agate, moss animal, moss campion, moss family, moss genus, moss green, moss hart, moss locust, moss phlox, moss pink, peat moss, pleurocarpous moss, reindeer moss, rose moss, scale moss, sea moss, spanish moss, sphagnum moss, spike moss, staghorn moss