Haematomma subpuniceum (Müll.Arg.) B.de Lesd.
Lecanora subpunicea Müll. Arg., Rev. mycol. 10: 62 (1888).
Thallus crustose, greyish-white, thick, continuous, uneven to somewhat granular, areolate-cracked, margins effigurate, to 12 cm diam., saxicolous. Apothecia lecanorine, scattered, sessile or semi-immersed, 1 mm diam., disc scarlet, matt, without pruina, thalline margin concolorous with thallus, persistent, entire or crenulate. Ascospores 1-3-septate, 25-35 × 3.5-5 µm.
N: Three Kings Is. On coastal rocks on cliffs.
?Pantropical
H. subpuniceum is the only known saxicolous species of the genus in New Zealand, easily recognised by its scarlet apothecia. It is so far only recorded from coastal rocks on the Three Kings Is.
