Exobasidium burtii Zeller
no common name
Exobasidiaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
no common name
Exobasidiaceae
Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.
Introduction to the Macrofungi
Photograph
Species Information
Summary:
Exobasidium burtii forms pale circular leaf spots on Rhododendron albiflorum.
Microscopic:
spores (14.0)16.0-24.0 x 3.2-5.5 microns, "straight or slightly curved but strongly hooked at base and thus with laterally projecting hilum", 0-1(3)-septate, "small secondary spores occasionally seen"; basidia 4(5)-spored, projecting 36-50 microns beyond cuticle, 8.0-10.0 microns wide, sterigmata 5.0-6.5 x 1.5-1.7 microns; conidia often abundant, (3.0)4.5-14.0 x 0.8-1.3 microns, acicular or elliptic
Notes:
Collections were examined from BC (Savile).
Habitat and Range
SIMILAR SPECIES
Exobasidium canadense occurs on Rhododendron canadense and Exobasidium decolorans Harkn. occurs in California on Rhododendron occidentale (Savile).Habitat
on Rhododendron albiflorum (white rhododendron also known as cascade azalea)