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Eurychorda Smut

Scientific Name
Restiosporium eurychordae
Scientific Author
Vánky
Taxonomy
Basidiomycota, Ustilaginomycetes, Ustilaginales, Ustilaginaceae
Status
Native Australian Species
Reliability
High
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Diagnostic Images

Host symptoms
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Caption
Restiosporium eurychordae on Eurychorda complanata - BRIP 46596. Scale bar = 1 cm.
Source
Roger Shivas DEEDI
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Diagnostic Images (4)
Diagnostic Notes
Sori in all capsules of an inflorescence, rounded, flattened, 1.0–1.5 mm diam., hidden by the floral envelopes, filled with a dark blackish brown semi-agglutinated to granular-powdery mass of spore balls and spores.

Spore balls globose, ovoid, ellipsoidal to irregular, 50–100 (–140) × 30–80 µm, olivaceous brown to subopaque, composed of tens of loosely connected spores that separate readily by pressure.

Spores globose, ovoid, ellipsoidal, elongate, usually subpolyhedrally irregular, rarely with short acute tips at the angles, 11–20 (–24) × 9.0–13.5 (–14.5) µm, medium dark olivaceous brown; wall uniformly thick or slightly uneven, 1.0–2.0 (–2.5) µm thick; in LM smooth, in SEM finely low-verruculose, especially on the free surface.
More Information
Specimen Contact
Roger Shivas
Author
Roger Shivas
Created
07/12/2010 11:18 AEST
Last Updated
07/12/2010 11:18 AEST
Citation
Roger Shivas (2010) Eurychorda Smut (Restiosporium eurychordae ) Updated on 12/7/2010 11:18:10 AM Available online: PaDIL - http://www.padil.gov.au.
Image Use
Free for use under the Creative Commons Attribution 3.0 Australia License

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