@article{Moya1992,
  author    = {Mar{\´i}a T. Moy{\´a}},
  title     = {Phenological observations and sex ratios in Marchantia chenopoda L. (Hepaticae: Marchantiaceae)},
  journal   = {Tropical bryology},
  number    = {6},
  pages     = {161 -- 168},
  year      = {1992},
}