E-Flora BC: Electronic Atlas of the Flora of British Columbia

Exobasidium burtii Zeller
no common name
Exobasidiaceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi

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Distribution of Exobasidium burtii
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Species Information

Summary:
Exobasidium burtii forms pale circular leaf spots on Rhododendron albiflorum.

Collections were examined from BC (Savile).

Fruiting body:
forming "pale, unhypertrophied, circular leaf spots" usually 0.5-1.5cm across

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

Habitat / Range

on Rhododendron albiflorum (white rhododendron also known as cascade azalea)

Similar Species

Exobasidium canadense occurs on Rhododendron canadense and Exobasidium decolorans Harkn. occurs in California on Rhododendron occidentale (Savile).

Status Information

Origin Status	Provincial Status	BC List (Red Blue List)	COSEWIC
Native	SNR	Yellow	Not Listed

BC Ministry of Environment: BC Species and Ecosystems Explorer, the authoritative source for conservation information in British Columbia.

Taxonomic and Nomenclatural Links

Genetic information (NCBI Taxonomy Database)
Taxonomic Information from the World Flora Online
Index Fungorium
Taxonomic reference: Savile(1)

Additional Range and Status Information Links

NatureServe Explorer
California Fungi (MykoWeb)

Additional Photo Sources

Images From CalPhoto
Google Image Search
Flickr Image Search
MycoKey Pictures
Images from MykoWeb

Glossaries

Matchmaker: Mushrooms of the Pacific Northwest

Related Databases

Matchmaker - Mushrooms of the Pacific Northwest
Keys to Mushrooms of the Pacific Northwest
Pacific Northwest Fungi--Online Journal

Species References

Savile(1)

References for the fungi

General References

Google Scholar Search

Recommended citation: Author, Date. Page title. In Klinkenberg, Brian. (Editor) 2020. E-Flora BC: Electronic Atlas of the Plants of British Columbia [eflora.bc.ca]. Lab for Advanced Spatial Analysis, Department of Geography, University of British Columbia, Vancouver. [Accessed: 2024-07-18 7:30:02 AM ]

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