Lindsaea cuneata var. lessonii (Bory) C.Chr.
L. lessonii Bory in Duperrey Voy. Coq. 1, 1828, 278, t. 37, f. 2.
Lamina up to 25 × 10 cm., ovate-lanceolate, often simply pinnate. Primary pinnae up to 8 × 3 cm., lanceolate. Secondary pinnae towards base of primary pinna obliquely ovate-oblong, up to 15 × 6 mm., often confluent and becoming pinnatifidly lobed. Sori confluent, often extending down lateral margins of lobes.
DIST.: N. From c. 38º 30' northwards.
Intermediate forms are not uncommon and may be due to hybridism as suggested by Carse (see Cockayne and Allan in Ann. Bot., Lond. 48, 1934, 8).