| Oltmannsiellopsidales | |
|---|---|
Scientific classification  | |
| (unranked): | Viridiplantae |
| Division: | Chlorophyta |
| Class: | Ulvophyceae |
| Order: | Oltmannsiellopsidales T.Nakayama, Shin Watanabe & I.Inouye |
| Families | |
Oltmannsiellopsidales is an order of green algae [1] in the class Ulvophyceae. [2]
Chlamydomonadales, also known as Volvocales, are an order of flagellated or pseudociliated green algae, specifically of the Chlorophyceae. Chlamydomonadales can form planar or spherical colonies. These vary from Gonium up to Volvox. Each cell has two flagella, and is similar in appearance to Chlamydomonas, with the flagella throughout the colony moving in coordination.
Ulothrix is a genus of green algae in the family Ulotrichaceae.
The Chlorellales are an order of green algae in the class Trebouxiophyceae.
Cladophorales are an order of green algae, in the class Ulvophyceae.
Prasiolales is an order of green algae in the class Trebouxiophyceae.
Ulotrichales is an order of green algae in the class Ulvophyceae.
Caulerpaceae is a family of green algae in the order Bryopsidales.
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.
The Dasycladaceae is one of the two extant families of green algae of the order Dasycladales. When found in Palaeozoic limestones, they typically indicate depositional depth of less than 5m.
Kornmanniaceae is a family of green algae in the order Ulvales.
The Tetrasporaceae are a family of green algae, specifically of the Chlamydomonadales.
Trentepohliaceae are a family of green algae in the order Trentepohliales.
Chlorogonium is a genus of green algae in the family Haematococcaceae. This alga has a notable mutualistic relationship with the American toad, allowing the tadpoles to develop faster when covered with Chlorogonium.
Collinsiella is a genus of green algae in the order Ulotrichales.
Helicosporidium is a genus of colorless, pathogenic algae in the class Trebouxiophyceae of the green algae. It is a parasite found in the gut of insects, and a close relative of Prototheca.
The Closteriaceae are one of four families of Charophyte green algae in the order Desmidiales (desmids). It contains two genera, Closterium and Spinoclosterium.
The Desmidiaceae are one of four families of charophyte green algae in the order Desmidiales (desmids).
Mesostigma is a genus of unicellular biflagellate freshwater green algae, with a single species Mesostigma viride, covered by an outer layer of basket‐like scales instead of a cell wall. As of February 2022, AlgaeBase classified it as the only genus in the family Mesostigmataceae, the only family in the order Mesostigmatales, the only order in the class Mesostigmatophyceae. It is now considered to be one of the earliest diverging members of green plants/algae (Viridiplantae).
Nils Gustaf Lagerheim (1860–1926) was a Swedish botanist, mycologist, phycologist, and pteridologist.
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