@article{YanoMeloVicenteFilho1999,
  author    = {Adriana Mayumi Yano-Melo and Carlos Vicente and Lauro Xavier Filho},
  title     = {Influence of Cladonia substellata Vainio extracts and usnic acid on germination and growth of Allium cepa L. seedlings},
  journal   = {Tropical bryology},
  number    = {16},
  pages     = {11 -- 15},
  year      = {1999},
}