Carl Nägeli

Phyllophoraceae is a family of red algae in the order Gigartinales.

The Gracilariaceae is a small family of red algae, containing several genera of agarophytes. It has a cosmopolitan distribution, in which 24 species are found in China, six in Great Britain and Ireland, and some in Australia and Chile. They are normally found in intertidal bays, backwaters, and estuaries. The family have been extensively investigated over the last 30 years, and various studies have yielded comprehensive information on their life history, cultivation, taxonomy, and utilization (Bellorin et al. 2002, Rueness 2005). Studies on the structure of their reproductive organs and the

Acrochaetium is a genus of marine red alga. Names brought to synonymy Acrochaetium elegans (K.M.Drew) Papenfuss 1945 is a synonym of Colaconema elegans (K.M.Drew) I.-K.Hwang & H.-S.Kim.

Mesotaenium is a genus of algae belonging to the family Mesotaeniaceae. The species of this genus are found in Europe and Northern America. Species: Mesotaenium aplanosporum C.E.Taft Mesotaenium berggrenii (Wittrock) Lagerheim Mesotaenium caldariorum (Lagerheim) Hansgirg Mesotaenium chlamydosporum de Bary Mesotaenium degreyi W.B.Turner Mesotaenium dodekahedron Geitler Mesotaenium endlicherianum Nägeli Mesotaenium fusisporum (P.L.Crouan & H.M.Crouan) De Toni Mesotaenium hansgirgii Schmidle Mesotaenium heimii Bourrelly Mesotaenium kramstae Lemmerm. Mesotaenium macrococcum (Kützing) J.Roy &

Microthamnion is a genus of green algae in the family Microthamniaceae. It is found in freshwater habitats around the world, preferably with low levels of pollution; it is typically attached to solid substrates.

Dictyosphaerium is a genus of green algae, in the family Chlorellaceae. It occurs in freshwater habitats around the world and is planktonic. The name comes from the Greek roots diktyon, meaning "net", and sphaira, meaning "ball", referring to its morphology.

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Pleurotaenium is a genus of green algae, specifically of the desmids (Desmidiaceae). It is a cosmopolitan genus, with about 50 species. Members of Pleurotaenium are found in freshwater habitats, and may be found in acidic, neutral or alkaline waters.

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Nephrocytium is a genus of green algae in the class Chlorophyceae. Formerly placed in the family Oocystaceae, it is currently placed in its own family, Nephrocytiaceae. The name Nephrocytium is derived from the Ancient Greek νεφρός (nephrós, "kidney") and κύτος (kytos, "vessel").

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Gloeocystis is a genus of green algae in the family Radiococcaceae. Members of this genus are widely distributed and found in the plankton of freshwaters, in soil or mosses, or on rocks or wood. Gloeocystis consists of colonies of cells embedded in an irregular mucilaginous envelope. The mucilaginous material is typically lamellate, i.e. forms concentric layers around cells or groups of cells. Cells are spherical to ovoid, with smooth cell walls. Cells have a single nucleus and one parietal chloroplast with a single pyrenoid. Asexual reproduction occurs via the formation of autospores; two to

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