Th. [thallus] grey-white with tiny black spots (fungus?)
Apo. (apothecia) disc. v. deep scarlet; crowded, epruinose
margins v. crenulate
Specimen notes
Herbarium history:
Peter Child Collection No 652
Supplementary remarks:
The holotype of the lichenicolous fungus, Arthonia haematommatum, is on the specimen Haematomma alpinum Rogers. The two cannot be separated so the Arthonia has the same CHR accession number as the Haematomma.
Gibb ES, Dec 2007
Type:
Holotype of Arthonia haematommatum Kalf. & Haf., in K. Kalb, J. Hafellner & B. Staiger, Biblthca Lichenol. 59: 201 (1995).
Supplementary remarks:
Platte Nr. 73 Probe Nr.: 1244
Inhaltsstoffe (DC):
Atranorin
Placodiolsäure
Haematommon
B. Staiger, 5.7.1995