| Penium | |
|---|---|
 | |
| Penium polymorphum | |
Scientific classification  | |
| (unranked): | Viridiplantae |
| (unranked): | Charophyta |
| Class: | Zygnematophyceae |
| Order: | Desmidiales |
| Family: | Peniaceae |
| Genus: | Penium Bréb. ex Ralfs |
| Species | |
Penium is a genus of green algae, and the sole member of the family Peniaceae. [1] The genus contains about 39 species.
Mamiellales are an order of green algae in the class Mamiellophyceae. Their cells and flagella are covered with spiderweb-like scales of several types. Some species lack scales but possess pigments similar to those of the scale-bearing species.
Chlorellaceae are a family of green algae in the order Chlorellales.
Cladophoraceae are a family of green algae in the order the Cladophorales. This family includes notably the genus Chaetomorpha which has a few members used in saltwater aquariums.
Asteromonas is a genus of green algae in the family Asteromonadaceae. It has been described from saline, marine, and brackish environments. It is closely related to the genus Dunaliella, another genus common in saline waters.
Boergesenia is a genus of green algae in the family Siphonocladaceae.
Monomastix is a genus of green algae in the class Mamiellophyceae. It is the only genus in the family Monomastigaceae, which in turn is the only family in the order Monomastigales.
Oltmannsiellopsis is a genus of marine colonial flagellate green algae in the Oltmannsiellopsidaceae family of Chlorophyta. It was named in reference to the similar genus Oltmannsiella. It has three species, O. viridis, which forms four-celled colonies, O. unicellularis, which is single celled, and O. geminata, which forms two-celled colonies. In Japanese it is called ウミイカダモ.
Physolinum is a genus of green algae in the family Trentepohliaceae. The only species in the genus, Physolinum monilia, is currently regarded as a synonym of Trentepohlia rigidula.
Trentepohlia is a genus of filamentous chlorophyte green algae in the family Trentepohliaceae, living free on terrestrial supports such as tree trunks and wet rocks or symbiotically in lichens. The filaments of Trentepohlia have a strong orange colour caused by the presence of large quantities of carotenoid pigments which mask the green of the chlorophyll.
Actinotaenium is a genus of green algae, specifically of the Desmidiaceae.
Bambusina is a genus of fresh-water green algae in the family Desmidiaceae.
Genicularina is a genus of green algae, specifically of the Gonatozygaceae.
Gonatozygon is a genus of green algae, specifically of the Gonatozygaceae.
Onychonema is a genus of green algae, specifically of the Desmidiaceae.
Sphaerozosma is a genus of green algae, specifically of the Desmidiaceae.
Spondylosium is a genus of green algae, specifically of the Desmidiaceae.
Staurodesmus is a genus of green algae, specifically of the Desmidiaceae.
Tetmemorus is a genus of green algae, specifically of the Desmidiaceae.
Triploceras is a genus of desmid in the family Desmidiaceae.
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