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Riella

Scientific Name: Riella

Family: Riellaceae

Category: Liverwort

Growth:

Duration:

Other Names:

       

Riella: A Unique Aquatic Liverwort

The text primarily discusses the name "Riella" and mentions various individuals and businesses with that name. However, it also contains information about the genus Riella in the context of botany.

Considerations for Pets

  • The text mentions that Riella species are small plants that grow submerged in shallow water. If you have an aquarium with aquatic pets, consider whether the introduction of any new plant, including Riella, could pose a risk of obstruction due to its small size.

Considerations for Children

  • The text mentions that Riella species are small plants. If children are around a body of water with Riella, consider that these small plants may be easily displaced and ingested.

Scientific Classification and Nomenclature

  • Scientific Name: Riella
  • Common Name: (Not specified in the text)
  • Riella is the only genus in the liverwort family Riellaceae.
  • It belongs to the class Hepaticae.
  • It's part of the order Sphaerocarpales.

Distribution and Habitat

  • Riella alatospora has been reported from cultured sediments from a salt pan near Springfield (Western Cape), South Africa.
  • Allorge (1932) studied the distribution of known species of Riella.

Morphological Characteristics

  • Riella species are described as small, thalloid aquatic liverworts.
  • They possess unique morphological and ecological features.
  • Species of Riella subgenus Trabutiella are characterized by their distinct features.

Ecological Role

  • The genus Riella occupies a unique position among the Hepaticae.
  • Species of Riella are peculiar enough in that they show well-marked distinguishing vegetative features.

Quirky Facts

  • The text mentions that species of Riella are "peculiar enough," suggesting they have some unusual or striking characteristics that set them apart from other liverworts.
  • One research project involved "a worldwide revision of Riella including samples throughout." This implies a broad geographic distribution and the existence of different variations or species across the globe.

Further Information

  • The Brigham and Women's Hospital Find a Researcher Faculty Research Directory may contain information about researchers studying Riella.