Kessler, Michael, Smith, Alan R. (2008). New species of grammitid ferns (Polypodiaceae, Polypodiopsida) from Bolivia
.
8(3), 10.1016/j.ode.2007.04.003
Kessler, Michael, Smith, Alan R. (2008). New species of grammitid ferns (Polypodiaceae, Polypodiopsida) from Bolivia
. 8(3), 10.1016/j.ode.2007.04.003