Flora of New Zealand Series

≡*Lecidea lobariella Nyl., Flora 52: 296 (1869).

Description : Apothecia black, scattered, plane with a fine margin, later convex and immarginate, 0.3–0.6 mm diam. Exciple pale to dark red-brown, of radiating, somewhat thickened, dark-brown hyphae. Hypothecium dark-brown or dark red-brown. Hymenium hyaline, 50–70 μm tall; epithecium thin, red-brown to sooty, red-brown. Asci with a gelatinous cap, clavate to cylindrical, 45–60 × 11–15 μm. Paraphyses septate, branching towards apices, 2 μm thick, apices with a red-brown gelatinous cap. Ascospores 1-septate, red-brown, ellipsoidal, thin-walled, slightly constricted at septum, 12–14(–17) × 4.5–6.5 μm.

N: S: A: Throughout. On thalli of Pseudocyphellaria coriacea, P. coronata, P. rufovirescens (Kondratyuk & Galloway 1994, 1995a). Also in Tasmania (on P. rubella), Papua New Guinea, Europe, Great Britain, Scandinavia, North, Central and South America and South Africa (Hafellner 1979; Santesson 1993; Goward et al. 1994a; Esslinger & Egan 1995; Martínez & Hafellner 1998; Diederich 2003; Hawksworth 2003; Ihlen et al. 2004a; Santesson et al. 2004).

Cosmopolitan

Hosts : Species of Lobaria (Hafellner 1979: 119) and Pseudocyphellaria (Kondratyuk & Galloway 1994, 1995a).

Illustration : Hafellner (1979: 119, fig. 20).

* Dactylospora lobariella is characterised by: the lichenicolous habit; the red-brown 1-septate ascospores; and the lichenicolous habit on foliose lichens of the Lobariaceae (see above).