Opegrapha

Lichens of Virginia
Ex Lichen Herbarium of James C. Lendemer (hb. Lendemer)
DUPLICATE
Ovezrapha sp.
Pet. James C. Lendemer - March 15.2005
UNITED STATES OF AMERICA. VIRGINIA. WARREN
COUNTY.: On bark, in mixed hardwood forest (Quercus, Acer, Carya,
Ulmus, and sparse Nyssa), in a narrow, rocky stream valley (widening
towards north end), Posey Hollow, Smithsonian Conservation and Research
Center, south of Front Royal. - elev. 900-1100 ft. - UTM 17 747429E
4308606N - Lat. 38° 53' 29MN, Long. 78° 08' 50"W - Assoc, spp.: Pyxine
sorediata, Myelochroa aurulenta, Flavoparmelia caperata.
Thallus corticolous, crustose, immersed, photobiont lacking in places, esorediate;
lirellae broad, short, tapering to pointed ends, blue-black, mostly unbranched; margins
persisting, slightly undulate; discs pruinose, exposed; epihymenium brown, with
pruina granules (KOH+ brownish-red/orange); hymenium hyaline, not inspersed;
hypothecium tan/brown; exciple black, present below; ascospores colorless/hyaline,
ca. 8-per ascus, tapering fusiform/clavate, 4-celled, cells roughly equal, 16-18 x 4-
5jim; pycnidia conical, superficial, pruinose, blue-black; conidia colorless, rod shaped,
tapering to blunt ends, 4-celled, 11-12 x (1.5)-2-2.5|im.	I NFW york crn-Awir'ii r,ADncN
Collection data: James C. Lendemer #3821	04585i2&
March 11, 2005 - 11 .March.2005 - 11.111.2005
000033 2t
YO^
BOTANICAL
04585128