Moreaua rodwayi (McAlpine) Vánky


Thecaphora rodwayi (McAlpine) Thirum. & Neerg.
Tolyposporium rodwayi McAlpine


Sori in the spikelets completely hidden by the floral envelopes, forming a black granular-powdery mass of spore balls around the inner floral organs. Infection systemic; all spikelets of an inflorescence affected and becoming slightly swollen.

Spore balls subglobose, ovoid, elongate or irregular, 35–100 (–110) × 30–60 µm, reddish to blackish brown, composed of 20–100 (or more?), radially arranged firmly agglutinated spores.

Spores subpyramidal or irregular, flattened on the contact sides, in surface view irregularly polyangular, 8–17 × 5–12 µm, in optical median view subcuneiform, 8–25 µm long, reddish to chestnut-brown; wall of the free surface 2–3 µm thick, irregularly verruculose, with a pale rounded germ pore 3.0–3.5 µm diam.; wall of contact sides c. 0.5 µm thick, smooth.

Host family: Cyperaceae
Host species: Lepidosperma effusum Benth.
Lepidosperma filiforme Labill
Lepidosperma gladiatum Labill.
Lepidosperma gunnii Boeck.
Lepidosperma laterale R.Br.
Lepidosperma neesii Kunth
Lepidosperma quadrangulatum A.A.Ham.
Lepidosperma squamatum Labill.
Lepidosperma viscidum R.Br.
Lepidosperma sp.


States & Territories: NSW, QLD, TAS, VIC, WA