Comprehensive Description
provided by North American Flora
Phyllosticta alcides Sacc. Michelia 1: 135. 1878
Phyllosticta Alcides Ellis & Kellerm. Ohio Nat. 3: 223. 1902.
Spots white or whitish, circular or subcircular in form or several coalescing and then becoming irregular, reaching a diameter of 3-4 mm., visible only on the upper side of the leaf; pycnidia few, scattered over the infected spot, black, erumpent, reaching a diameter of 100 ju; spores ellipsoid, about 3 X 6-7 /t.
On Salicaceae:
Populus alba L., Ohio.
Populus trichocarpa T. & G., Idaho. Type locality: Europe, on Populus alba. Distribution: Ohio and Idaho; also in Europe.
- bibliographic citation
- Fred Jay Seaver. 1922. PHYLLOSTICTALES; PHYLLOSTICTACEAE (pars). North American flora. vol 6(1). New York Botanical Garden, New York, NY
