''Botrydium'' is a genus of

thalloid Thallus (plural: thalli), from Latinized Greek (), meaning "a green shoot" or "twig", is the vegetative tissue of some organisms in diverse groups such as algae, fungi, some liverworts, lichens, and the Myxogastria. Many of these organisms wer ...

algae Algae ( , ; : alga ) are any of a large and diverse group of photosynthetic, eukaryotic organisms. The name is an informal term for a polyphyletic grouping that includes species from multiple distinct clades. Included organisms range from ...

. Specimens can reach around 2 mm in size and produce

tetraspore Tetraspores are red algae spores produced by the tetrasporophytic (diploid) phase in the life history of algae in the Rhodophyta as a result of meiosis.Jones, W.E. Revised and reprinted 1964. A Key to the genera of the British seaweeds.''Field St ...

Species

Some currently recognised species: * '' Botrydium becherianum'' * '' Botrydium corniforme'' * '' Botrydium cystosum'' * '' Botrydium divisum'' * ''

Botrydium granulatum ''Botrydium'' is a genus of thalloid algae. Specimens can reach around 2 mm in size and produce tetraspore Tetraspores are red algae spores produced by the tetrasporophytic (diploid) phase in the life history of algae in the Rhodophyta a ...

'' * '' Botrydium intermedium'' * '' Botrydium milleri'' * '' Botrydium pachydermum'' * '' Botrydium stoloniferum'' * '' Botrydium tuberosum'' * '' Botrydium wallrothii''

References

Heterokont genera Xanthophyceae Taxa named by Karl Friedrich Wilhelm Wallroth {{heterokont-stub