Brito, E. da S., da Conceição, G. M. e Peralta, D. F. (2009) “NOTES ON GEOGRAPHIC DISTRIBUTION: POTTIACEAE, HYOPHILA INVOLUTA (HOOK.) JAEG. & SAUERB. (NEW OCCURRENCE IN THE STATE OF MARANHÃO, BRAZIL), HYOPHILA APICULATA FLEISCH (NEW OCCURRENCE IN BRAZIL)”, PESQUISA EM FOCO, 17(2). doi: 10.18817/pef.v17i2.223.