- Zhurbenko M.P.
- Plant and Fungal Systematics
- 67(2): 34–39
Atronectria thelotrematis, a lichenicolous pyrenomycete growing on Thelotrema
lepadinum, is described as new to science from Chile. The species is characterized by black
perithecioid ascomata; a brown, not changing color in K and lactic acid, N+ reddish orange
exciple resembling textura angularis or textura epidermoidea; 0–4-septate periphyses; a I−,
K/I− hymenium with rather rare lipid droplets; the absence of distinct interascal filaments;
inoperculate, unitunicate, cylindrical, 8-spored, I−, K/I− asci; and hyaline to occasionally
light brown, smooth to mostly finely verruculose, 1-septate, homopolar ascospores, uniseriate
in the ascus. A key to ten species of lichenicolous fungi known to occur on Thelotrema
Key words: lichen parasites, South America, taxonomy.
- Monday, 02 January 2023 11:35