Comprehensive Description
provided by North American Flora
Allodus asperior (Ellis & Bv.) Orton, Mem
N. Y. Bot. Gard. 6: 193. 1916.
Puccinia asperior Ellis & Ev. Bull. Washburn Lab. Nat. Hist. 1: 3. 1884. Dicaeoma asperius Kuntze, Rev, Gen. 3^: 468. 1898. Puccinia oregonensis Earle, Bull. N. Y. Bot. Gard. 2: 349. 1902. Allodus oregonensis Arth. Result. Sci. Congr. Bot. Vienne 345. 1906.
Pycnia chiefiy epiphyllous and caulicolous, gregarious, in small groups 1-2 mm. across on leaves, on stems in larger groups, sometimes 15 mm. long, flattened, honey-yellow, 100145 fj. in diameter by 65-80 fx high; ostiolar filaments 25-30 fx long.
- bibliographic citation
- Joseph Charles Arthur, Herbert Spencer Jackson, Clayton Roberts Orton. 1921. (UREDINALES); AECIDIACEAE (continuatio); DICAEOMA ON CARDUACEAE; ALLODUS. North American flora. vol 7(6). New York Botanical Garden, New York, NY