stonewort


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Related to stonewort: liverwort, club moss

stonewort:

see ChlorophytaChlorophyta
, phylum (division) of the kingdom Protista consisting of the photosynthetic organisms commonly known as green algae. The organisms are largely aquatic or marine.
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stonewort

[′stōn‚wȯrt]
(botany)
The common name for algae comprising the class Charophyceae, so named because most species are lime-encrusted.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The conclusion that stoneworts have zygotic meiosis is based largely on Oehlkers (1916) and the lack of plausible alternative interpretations.
Coleochaete, Chaetosphaeridium, stoneworts, and embryophytes all produce a multicellular haploid body, and all produce large non-motile 'female' gametes and small motile 'male' gametes.
Whether stoneworts retain their zygotes depends on how this character is defined.
This implies that interpolation of a multicellular diploid phase, between syngamy and meiosis, evolved after the divergence of stoneworts and embryophytes.
An overloading of nutrients lost from fields can boost the growth of algae, which in turn squeezes out plants like stoneworts and water buttercups.
Almost all lagoons have waterlilies (Nymphea spp.), pondweeds (Potamogeton spp.), and stoneworts (Chara spp.), and are surrounded by reed (Phragmites australis), reedmace (Typha spp.), bulrush (Scirpus lacustris), triangular bulrush (S.