Coleosporium viburni Arthur 1907

Comprehensive Description

provided by North American Flora

Coleosporium viburni Arth. Bull. Iowa Agr. Coll. Dep. Bot
1884: 163. 1884.
O and I. Pycnia and aecia unknown.
Uredinia hypophyllous, scattered or somewhat gregarious, 0.5 mm. across, eariy naked, yellow fading to brownishwhite, ruptured epidermis conspicuous ; urediniospores ellipsoid, 19-25 by 24-32^; wall medium thick, 2-2.5^, closely verrucose, with prominent, irregular tubercles.

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bibliographic citation: Joseph Charles Arthur. 1907. UREDINALES; COLEOSPORIACEAE, UREDINACEAE, AECIDIACEAE (pars). North American flora. vol 7(2). New York Botanical Garden, New York, NY

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