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机译:Megalastrum (Dryopteridaceae) in Brazil, Paraguay, and Uruguay
New York Bot Garden, Bronx, NY 10458 USA.;
Inst Bot, BR-01061970 Sao Paulo, Brazil.;
Univ Fed Parana, Dept Bot, BR-81531980 Curitiba, Parana, Brazil.;
Megalastrum; Dryopteridaceae; Brazil; floristics; taxonomy; systematics; ferns;