1. PaDIL Species Factsheet

Scientific Name: nivale (Liro) Vánky , , , Microbotryaceae

Common Name Sagina Smut Live link: http://www.padil.gov.au/aus-smuts/Pest/Main/140049

Image Library Smut Fungi of Australia Live link: http://www.padil.gov.au/aus-smuts/

Partners for Smut Fungi of Australia image library

Queensland Government https://www.daf.qld.gov.au/ 2. Species Information

2.1. Details Specimen Contact: Roger Shivas - [email protected] Author: Roger Shivas Citation: Roger Shivas (2010) Sagina Smut(Microbotryum nivale )Updated on 2/24/2012 Available online: PaDIL - http://www.padil.gov.au Image Use: Free for use under the Creative Commons Attribution-NonCommercial 4.0 International (CC BY- NC 4.0)

2.2. URL Live link: http://www.padil.gov.au/aus-smuts/Pest/Main/140049

2.3. Facets Columella: absent Distribution: SA Host Family: Caryophyllaceae Peridium: absent Sorus position: inflorescence Sorus shape: globose to short cylindrical Spore balls: absent Spore mass texture: agglutinated, powdery Spore shape: globose or subglobose, ovoid to ellipsoidal Spore surface ornamentation: reticulate Status: Native Australian Species Sterile cells: absent

2.4. Other Names Ustilago nivalis Liro

2.5. Diagnostic Notes **Sori** in ovules, filling the swollen capsules with an initially agglutinated, later powdery purplish brown spore mass. Infection systemic.

**Spores** globose, subglobose, broadly ellipsoidal or ovoid, 10.5–13.0 (–14) × 10.5–12.5 µm, pale yellowish brown with a violet tint; wall 1.5–2.5 µm thick, finely reticulate, 5–8 meshes per spore diameter; muri 0.7–1.0 (–1.5) µm high, in median view appearing as acute projections, in SEM the interspaces are verruculose or occasionally with 1 or 2 protuberances. 3. Diagnostic Images

Microbotryum nivale on Sagina apetala - Microbotryum nivale on Sagina apetala - ADW 1635. Scale bar = 2 mm. ADW 1635. Scale bar = 10 µm. Host symptoms: Roger Shivas DEEDI Light micrograph: Roger Shivas DEEDI

Results Generated: Sunday, September 26, 2021