Abstract
Thi s wor k pre sent s a flori sti c survey o f the pterido phyte s (Lycophyta e Monilo phyta ) o f the Parque Ambiental of Belem in the Municipality of Belem, State of Para. This Park is part of the a Environmental Protected Area, representing one of the last relatively conserved forest remnants in Belem metropolitan area. Through collections realized from October 2002 to January 2004, 18 families, 30 genera and 49 species were recorded. The families with the largest number of species were Polypodiaceae and Hymeno phylla ceae , both with six specie s, folo wed by the Pterida ceae , with fi ve specie s. The mostre - presentative genera were Trichomanes L., with fi ve specie s, folo wed by Cyathea Sm., Microgramma C. Presl, Thelypteris Schmidel, Nephrolepis Schott and Lindsaea Dryand, with three species each. Of the 49 species recorded for the area, two are new references for the State of Para, Danaea trifoliata Kunze and Lindsaea divaricata Klotzsch, and two, for the North Region of Brazil: Cyclodium heterodon (Schrad.) T. Moore var. abbreviatum (Presl) A.R. Sm. and Thelypteris chrysodioides (Fee) C.V. Morton.
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