Charophyta


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Charophyta

a group of the ALGAE, including the stoneworts, which inhabits ponds.
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Accumulations of charophyte calcified oospheres, the gyrogonites, were previously usually interpreted as indicators of lowered salinity, however, many charophyte species from the Devonian sections have been found to be associated with typical marine assemblages, showing that the first representatives of the Charophyta were adapted to a wider variety of sedimentary environments than their modern relatives (Georgescu & Braun 2006).
The work of collectors gathers information of the phyla: Cyanobacteria, Rhodophyta, Ochrophyta (including Phaeophyceae and Xanthophyceae), Bacillariophyta, Chlorophyta and Charophyta, the best represented being Bacillariophyta and Rhodophyta.
Sus especimenes de algas Charophyta son de Puebla, fueron obtenidos en 1907 y se encuentran resguardos en BM, MEXU y US.
Floristica: Se registro un total de 89 especies en 30 transectos, de las cuales una era Charophyta, 10 Bryophyta, cinco Pteridophyta, 31 monocotiledoneas y 42 eucotiledoneas.
Lago Cuicocha: En el Lago Cuicocha existen las clases de macrofitas Bryophyta y Charophyta que crecen en profundidades de hasta 35 m, las plantas vasculares se encuentran hasta en 14 m.
An identification key for oospores of the extant charophytas of New Zealand.