Comprehensive Description
provided by North American Flora
Phyllosticta chrysanthemi Ellis & Dearness, Can
Rec. Sci. 5: 267. 1893.
Spots subcircular, numerous, several often becoming confluent and irregular, raised on the upper side of the leaf and depressed on the under surface, reaching a diameter of 2-3 mm., yellowish-brown, paler on the under side; pycnidia minute, scattered over the infected spot, mainly on the upper side of the leaf, reaching a diameter of 80-100 [*; spores ellipsoid, slightly smoky, 2-3 X 4-5 /x.
On Carduaceae:
Chrysanthemu?n sinense Sabine, Canada. Type locality: London, Ontario, on Chrysanthemum sinense. Distribution: Known only from the type locality.
- bibliographic citation
- Fred Jay Seaver. 1922. PHYLLOSTICTALES; PHYLLOSTICTACEAE (pars). North American flora. vol 6(1). New York Botanical Garden, New York, NY