TY - JOUR T1 - Response of spores and young gametophytes of Cyathea delgadii Sternb. (Cyatheaceae) and Blechnum brasiliense Desv. (Blechnaceae) to different light levels JO - Acta Botanica Brasilica A1 - Hiendlmeyer, Rosane A1 - Randi, Aurea Maria SN - 0102-3306 UL - 10.1590/S0102-33062007000400015 VL - 21 Y1 - 2007 PB - Brasil ER -