Flora of New Zealand Series

I. ericetorum (L.) Zahlbr., Wiss. Mitt. Bosn. Herzeg. 3: 605 (1895).

Lichen ericetorum L., Sp. Pl.: 1141 (1753).

Thallus thick, granular-papillate or ± glomerulate, spreading irregularly, 0.5-2.0 cm diam., green when wet, pale grey-white when dry, corticolous, humicolous or muscicolous. Apothecia prominent, sessile, constricted at base, scattered, discrete or ± contiguous and deformed through mutual pressure, 1-3 mm diam., round to irregular, plane to ± undulate-contorted, disc matt, flesh-pink, epruinose, minutely wrinkled or roughened, thalline margin white, wrinkled-striate, conspicuous at first then excluded with age. Ascospores mainly 1-septate, septum sinuous, 17-24 × 4-5 µm. Chemistry: Thallus K+ yellow, apothecia K+ orange, C+ orange. Thamnolic, perlatolic and squamatic (tr.) acids.

N: South Auckland (south-west slopes of Pirongia, c. 360 m). On rotting stumps (?tawa) in paddock of stumps. First collected by J.K. Bartlett on 18 July, 1982.

Bipolar

The New Zealand collection agrees, chemically, anatomically and morphologically with Northern Hemisphere material.