Pteris biaurita, the thinleaf brake, is a fern species in the genus Pteris. It is widely distributed around the world, including Africa, the Americas, and Asia. The plants are 70–110 cm in height, with erect, woody rhizomes 2–2.5 cm in diameter, and the apex densely covered with brown scales.
Campteria biaurita (L.) Hook.
Campteria galeotti (Fée) T. Moore
Litobrochia biaurita (L.) J. Sm.
Litobrochia galeottii Fée
Pteris flavicaulis Hayata
Sp. Pl. 2: 1076 1753.