Resolving the genus Phaeographina Muell. Arg. in China
Author
Jia, Ze-Feng
Author
Luecking, Robert
text
MycoKeys
2017
21
13
32
http://dx.doi.org/10.3897/mycokeys.21.11986
journal article
http://dx.doi.org/10.3897/mycokeys.21.11986
1314-4049-21-13
Phaeographis pleiospora (Zahlbr.) Z.F. Jia &
Luecking
comb. nov.
Phaeographina lecanographa var. pleiospora
Bas.: Zahlbr., in Handel-Mazzetti, Symb. Sin. 3: 61, 1930. Type: China. Fujian, Chung 596b (W, holotype!).
Description.
Thallus corticolous, crustose, surface pale grey to yellowish-grey, smooth to slightly rough; apothecia rounded to shortly elongate, erumpent to prominent, usually fissured, single, rarely branched, 1-3 mm long and 0.5-2 mm wide; thalline margin partially exposing the (dark) brown disc; labia inconspicuous; discs opened, brown; proper exciple laterally carbonized; hymenium inspersed; 2-4 ascospores per ascus, brown, ellipsoid to subovate, muriform, 60-80
x
20-30
µm
,
I-
.
Chemistry.
Norstictic acid.
Notes.
This species is distinguished from
Phaeographis lecanographa
by the smaller ascospores (60-80
x
20-30
µm
vs. 85-150
x
25-50
µm
).