Monographs Details: Lindsaea guianensis (Aubl.) Dryand. subsp. guianensis
Authority: Mori, S. A., et al. 1997. Guide to the vascular plants of central French Guiana: Part 1. Pteridophytes, gymnosperms, and monocotyledons. Mem. New York Bot. Gard. 76: 1-422.
Description:Species Description - Fronds bipinnate but juvenile fronds often pinnate, with terminal pinnules similar but smaller in size to others, the apex becoming pinnatifid; petiole pale brown; blade 20-65 cm long, with (1)4-7(13) pairs of subopposite or alternate pinnae, the young plants usually with fewer pairs of pinnae than illustrated in Figure 27F, 10-25 cm long; pinnules rounded, in 30-70 pairs, often overlapping, 7-12 mm long, the upper ones reduced. Sori continuous along margin. Scattered but common, in swamps and along river margins.