Flora of New Zealand Series

≡Lecidea plesia C.Knight, Trans. N. Z. Inst. 7: 361 (1875).

=Lecidea rhyparobola Nyl., Lich. Nov. Zel.: 92 (1888).

≡Patellaria rhyparobola (Nyl.) Müll.Arg., Bull. Herb. Boissier 2, App.1: 65 (1894).

≡Bilimbia rhyparobola (Nyl.) Hellb., Bihang K. Sv. Vet.-Akad. Handl. 21 (3/13): 102 (1896).

≡Bacidia rhyparobola (Nyl.) Zahlbr., Cat. lich. univ. 4 (1): 138 (1926).

Type : New Zealand. Sine loco [probably Wellington], Charles Knight 65 – WELT (not seen).

Lecidea rhyparobola. Holotype. New Zealand. Sine loco [probably Wellington], Charles Knight 326 – H-NYL 19073.

Description : Flora (1985: 33)

N: Northland (Kawerua), Wellington. On rocks.

Endemic

Illustrations : Knight (1875a: pl. XXIII, fig. 13 – as Lecidea plesia); Nylander (1888: tab. 1, fig. 14 – as Lecidea rhyparobola).

Bacidia plesia is characterised by: the saxicolous habit; the pale ochraceous, areolate thallus; the black hypothallus; and broadly ellipsoidal, 4–5-septate ascospores, 25–35 × 8–12 μm.