Browsing by year: people, organizations and landmarks:
Specimen
Black rot of grapevine (Guignardia bidwellii) on Vitis amurensis Rupr. (Amur grape)June 1 1999
Danielson, Donna
Specimen
Black spot of elm (seeds) (Stegophora ulmea) on Ulmus laevis Pall. (RUSSIAN ELM)May 10 1999
Ware, George
Specimen
Botrytis blight (Botrytis cinerea) on Crataegus mollis (Torr. & Gray) Scheele (downy hawthorn)May 11 1999
Danielson, Donna
Specimen
Crown rust (Puccinia coronata) on Rhamnus cathartica L. (common buckthorn)May 27 1999
Whelan, Christopher J.
Specimen
Dothistroma needle blight (Dothistroma pini) on Pinus flexilis James (limber pine)April 21 1999
Danielson, Donna
Specimen
Maple anthracnose (Discula spp.) on Acer saccharum Marsh. (sugar maple)May 25 1999
Danielson, Donna
Specimen
Melanconium canker (Melanconium betulinum) on Betula platyphylla Sukatchev (Asian white birch)June 15 1999
Danielson, Donna