Filed As:

Roccellaceae
Opegrapha diffracticola R.C.Harris & Ladd ( holotype )

All Determinations:

Opegrapha diffracticola R.C.Harris & Ladd det. R. C. Harris, 2004

Location:

United States of America. Missouri. Maries Co. Spring Creek Gap Conservation Area east of County Road 340 (Old Hwy 63), ca. ½ mile north of US 63. Alt. 240 - 320 m. (787 - 1050 ft.)

Collector(s):

R. C. Harris 46555 with , 04 May 2002

Description:

Ascomata lirelliform, growing on thallus and apothecia of Bacidia diffracta, sessile, fusiform to " oblong, undivided to once branched, 0.3-0.5 H 0.2 mm, solitary and scattered or aggregated into irregular clusters, to 3 H 2 mm in size; disk concealed by appressed lips. Exciple brown-black, greenish black in KOH, entire, thickened below, to 50-60 :m thick. Hypothecium thin, colorless. Epihymenium yellow-brown (KOH-). Hymenium colorless, I+ patchily blue-green. Asci ovoid, with 8 " biseriately arranged spores. Ascospores remaining colorless, 3-septate, with thin halo, 13-15 x 4-4.5 :m. Pycnidia brown, " globose, ca. 100 :m mm across. Conidia rod-shaped, 4.5 H 1.0 :m. Distribution. Apparently common in the Ozark region and known also from Vermont and Wisconsin, but probably occurs throughout the range of its host which is widely distributed in eastern North America (see Ekman, 1996).

Habitat:

floodplain forest. bark of Juniperus virginiana.
Host: Bacidia diffracta S.Ekman

Identifiers:

NY Barcode: 799618
GUID: 93722ef4-d6e3-4c5e-a28c-56dfa2902b9d

Map:

Coordinates: (38.1372, -91.8022)

Distribution:

Map all specimens of this taxon
(If georeferenced specimens are available)