Pallavicinia is a globally distributed genus in the liverwort family Pallaviciniaceae. Thallus is simple and contains a strong hair-like midrib. Thallus area except midrib made out of one layer of cells. Thallus is dark green in color and it is very small (3-6 cm in long and 4-5 mm broad). Margins are entirely or irregularly lobed. Most species are distributed in tropical, subtropical or temperate regions. It grows in shady and moist environments, such as moist soil-covered rocks and banks of fresh water streams. Female thallus lobes have cup-shaped fringed receptacles.

Species

  1. Pallavicinia ambigua
  2. Pallavicinia baldwinii
  3. Pallavicinia blytii
  4. Pallavicinia byssophora
  5. Pallavicinia isoblasta
  6. Pallavicinia levieri
  7. Pallavicinia lyellii
  8. Pallavicinia radiculosa
  9. Pallavicinia serrata
  10. Pallavicinia spinosa
  11. Pallavicinia subciliata
  12. Pallavicinia valida
  13. Pallavicinia xiphoides

formerly included

  1. P. crassifrons, syn of Jensenia crassifrons
  2. P. erimona, syn of Hattorianthus erimonus
  3. P. erythropus, syn of Jensenia erythropus
  4. P. hibernica, syn of Moerckia hibernica
  5. P. rubescens, syn of Symphyogyna brasiliensis
  6. P. stephanii, syn of Makednothallus stephanii
  7. P. subflabellatus, syn of Makednothallus subflabellatus
  8. P. tenuinervis, syn of Symphyogyna tenuinervis
  9. P. wallisii, syn of Jensenia wallisii