TY  - JOUR 
T1  - Lycophytes and ferns of an Amazonian-Cerrado ecotone in Maranhão State, Northeastern Brazil: identification key and annotated list of taxa.
JO  - Biota Neotropica
A1  - Silva Junior, Wagner Ribeiro da
A1  - Prado, Jefferson
A1  - Ferreira, Alessandro Wagner Coelho
A1  - Fernandes, Rozijane Santos
A1  - Oliveira, Hermeson Cassiano de
SN  - 1676-0603
UL  - 10.1590/1676-0611-BN-2023-1564
VL  - 24 
Y1  - 2024
PB  - Brazil 
ER  -