Bull. Inst. Jamaica, Sci. Ser. 5: 63. 1953.
Stems short- to long-creeping, 3–10 mm diam. Leaves monomorphic to somewhat dimorphic, evergreen, fertile leaves with longer petioles, to 2 m or more. Petiole tan, to ca. 1 m × 10 mm, at base with scales absent or ephemeral. Blade 50–120 cm, with apical pinna similar to lateral pinnae and 1/2 to nearly equaling longest lateral pinna; buds often present at base of proximal pinna. Pinnae to 20 pairs or more, widest at or near rounded or broadly cuneate base, 20–30 × 2–6 cm, margin entire to crenulate; main lateral veins of fertile pinnae 2–4 per cm, with 12–20 rows of areoles between costa and margin, secondary veins somewhat curved. Indument abaxially of mostly adpressed, curved hairs 0.2–0.3 mm on costae; blades glabrous adaxially. Sori oblong-arcuate, uniseriate between lateral veins on cross-veins; indusia lacking; sporangia glabrous. 2n = 144.
Habitat: Hammocks in subacid, swampy soil in full shade
Elevation: 0–50 m
Fla., s Mexico, West Indies in the Antilles, South America in Colombia, n Venezuela.
Thelypteris reticulata is very rare in the flora.