Image Number: 4822069

Photographer:
Descriptor:
Development
Description:
Initial infection (left) appears as raised circular areas on the leaves covered with powdery white fungus cells which can spread over leaf surface (right).
Image type:

You must attribute the work in the manner specified (but not in any way that suggests endorsement).

Image location:
United States

Subject

Kingdom: Fungi
Phylum: Ascomycota
Subphylum: Pezizomycotina
Class: Leotiomycetes
Order: Erysiphales
Family: Erysiphaceae
Genus: Microsphaera
Subject: Microsphaera penicillata (Wallr.) Lév.

Host

Kingdom: Plantae
Phylum: Magnoliophyta
Class: Magnoliopsida
Subclass: Hamamelidae
Order: Urticales
Family: Ulmaceae
Genus: Ulmus
Subject: Ulmus alata Michx.
Node Affiliation:
Image uploaded:
Wednesday, May 23, 2001
Image last updated:
Friday, August 31, 2001