@article{articlec46d6e92,
title   = {Probable first occurrence of Lycopodiales in the Gondwana Neopaleozoic},
author = {Ricardi-Branco, Frésia and Bernardes-de-Oliveira, Mary Elizabeth Cerruti and Rocha-Campos, A. C.},
year = {2002},
doi = {10.1590/s0001-37652002000300029},
journal   = {Anais da Academia Brasileira de Ciências}
}