Vermisporium obtusum H.J. Swart & M.A. Will. 1983

Details

Name scientific

Vermisporium obtusum H.J. Swart & M.A. Will., Trans. Brit. Mycol. Soc. 81 499 (1983)

Preferred name

Allelochaeta obtusa (H.J. Swart & M.A. Will.) Crous 2018

Taxonomy reference

Crous, P.W.; Liu, F.; Cai, L.; Barber, P.A.; Thangavel, R.; Summerell, B.A.; Wingfield, M.J.; Edwards, J.; Carnegie, A.J.; Groenewald, J.Z. 2018: Allelochaeta (Sporocadaceae): pigmentation lost and gained. Fungal Systematics and Evolution 2: 273-309.

Nomenclature

Original authors

H.J. Swart & M.A. Will.

Authors

H.J. Swart & M.A. Will.

Publication place

Swart, H.J.; Willamson, M.A. 1983: Australian leaf-inhabiting fungi XVI. Vermisporium, a new genus of coelomycetes on Eucalyptus leaves. Transactions of the British Mycological Society 81(3): 491-502.

Year published

1983

Publication page

499

Nomenclatural code

ICN

Basionym

Vermisporium obtusum H.J. Swart & M.A. Will. 1983

Type locality

Australia

Taxonomic rank

species

Canonical form

Vermisporium obtusum

Classification

Kingdom

Fungi

Phylum

Ascomycota

Genus

Vermisporium

Species

obtusum

Associations

View full associations record

Association type

Associated organism

Association source

has host

Eucalyptus delegatensis R.T.Baker

Anonymous (2003)

has host

Eucalyptus macarthurii H.Deane & Maiden

Bain, J. (2003)

has host

Eucalyptus delegatensis R.T.Baker

Dick, M.A. (1990)

has host

Eucalyptus

Flux, A.; Gadgil, P.; Bain, J.; Nuttall, M. (1993)

has host

Eucalyptus delegatensis R.T.Baker

Gadgil, P.D. (in association with Dick, M.A.; Hood, I.A.; Pennycook, S.R.) (2005)

Descriptions

Gadgil, P.D. (in association with Dick, M.A.; Hood, I.A.; Pennycook, S.R.) 2005: Fungi on trees and shrubs in New Zealand. Fungi of New Zealand. 4. Fungal Diversity Press.

Vermisporium obtusum H.J. Swart & M.A. Will. 1983

Description

Type: Foliicolous Fungi; Description: Conidiomata stromatic, acervular, scattered to gregarious, sub-epidermal, angular to rounded, occasionally confluent, up to 0.25 mm in diameter; on straw-coloured to pale brown spots which are individually up to 7 mm in diameter but often confluent, on both sides of leaves. Conidia ellipsoid fusiform, straight or slightly curved, 3-septate, 45–80 × 3–6 μm, hyaline; apical cell slightly attenuated to a blunt tip, longer than the other cells; median two cells cylindrical; basal cell with a narrow, truncate base and a 3–5 μm long, excentric appendage.

Distribution

Distribution: Auckland, Coromandel, Waikato, Bay of Plenty, Taupo, Wellington, Nelson, Westland, Dunedin.; 1st Record: Dick (1990).

Notes

Pathogenicity

Significance: Associated with necrotic leaf spots. Pathogenicity not known.; Host(s): Eucalyptus delegatensis, E. fraxinoides, E. regnans.