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Comprehensive Description ( англиски )

добавил North American Flora
Nigredo leptoderma (Sydow) Arthur
Uromyces lepiodermus Sydow ; Sydow & Butler, Ann. Myc. 4 : 430. 1906. Uredo Isachnes Sydow ; Sydow & Butler, Ann. Myc. 4 : 444. 1906. Uredo Panici-prostrati Sydow ; Sydow & Butler, Ann. Myc. 4 : 444. 1906. Puccinia (?) panicicola Arth. Bull. Torrey Club 34 : 586. 1908.
O and I. Pycnia and aecia unknown.
Uredinia amphigenous, scattered, oval, 0.1-0.3 mm. wide by 0.2-0.4 mm. long, soon naked, pulverulent, dark cinnamon brown, ruptured epidermis noticeable ; urediniospores broadly ellipsoid or obovoid, 23-25 by 26-30 ^ ; wall dark cinnamon-brown, rather thin, /z, closely and strongiy echinulate-verrucose with blunt points, the pores usualiy 3 or 4, sometimes only 2, equatorial.
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библиографски навод
Joseph Charles Arthur, Frank Dunn Kern. 1912. (UREDINALES); AECIDIACEAE (continuatio), GYMNOSPORANGIUM. North American flora. vol 7(3). New York Botanical Garden, New York, NY
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North American Flora