Moreaua laevigata (Websdane & Vánky) Vánky


Tolyposporium laevigatum Websdane & Vánky


Sori in the flowers completely hidden by the floral envelopes, the black initially agglutinated, later granular-powdery mass of spore balls covering the surface of the inner aborted floral organs.

Spore balls globose, subglobose, ovoid or ellipsoidal, 50–85 × 45–60 µm, blackish brown, opaque, composed of many (40–100 or more) firmly cohering spores.

Spores in median view subcuneiform, elongate or irregular, 12–25 µm long, in surface view the free surface of the spores irregularly polygonal, (5–) 8.0–13.5 × (3–) 5–11 µm, dark reddish to blackish brown; wall of the free surface slightly convex, 2.5–5.0 µm thick, with irregular often confluent low warts; wall of contact sides c. 0.5 µm thick, smooth.

Host family: Cyperaceae
Host species: Schoenus laevigatus W.Fitzg.


States & Territories: WA