Phaeothyriolum microthyrioides (G. Winter) H.J. Swart 1986

Details

Name scientific

Phaeothyriolum microthyrioides (G. Winter) H.J. Swart, Trans. Brit. Mycol. Soc. 87 87 (1986)

Preferred name

Phaeothyriolum microthyrioides (G. Winter) H.J. Swart 1986

Biostatus

Origin

Occurrence

Georegion

Schema

Biostatus source

Comment

Exotic

Present

New Zealand

Political Region

Nomenclature

Authors

(G. Winter) H.J. Swart

Original authors

G. Winter

Combination authors

H.J. Swart

Publication place

Swart, H.J. 1986: Australian leaf-inhabiting fungi XXII. Microthyrium-like fungi on Eucalyptus. Transactions of the British Mycological Society 87(1): 81-91.

Year published

1986

Publication page

Nomenclatural code

ICN

Basionym

Asterina microthyrioides G. Winter 1885

Taxonomic rank

species

Canonical form

Phaeothyriolum microthyrioides

Classification

Kingdom

Fungi

Phylum

Ascomycota

Class

Dothideomycetes

Order

Microthyriales

Family

Microthyriaceae

Genus

Phaeothyriolum

Species

microthyrioides

Synonyms

Associations

View full associations record

Association type

Associated organism

Association source

has host

Eucalyptus delegatensis R.T.Baker

Dick, M.A. (1982)

has host

Eucalyptus delegatensis R.T.Baker

Dick, M.A.; Gadgil, P.D. (1983)

has host

Eucalyptus

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

has host

Eucalyptus delegatensis R.T.Baker

Pennycook, S.R. (1989)

has host

Eucalyptus maculata

Anonymous (2002)

has host

Eucalyptus delegatensis R.T.Baker

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

has host

Eucalyptus maculata

Ridley, G.S. (2002)

has host

Eucalyptus botryoides Sm.

Ridley, G.S.; Dick, M.A. (2001)

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.

Phaeothyriolum microthyrioides (G. Winter) H.J. Swart 1986

Description

Type: Foliicolous Fungi; Description: Ascomata thyriothecial, aggregated in small groups, superficial, more or less conical, circular in outline with an irregular margin, dark brown, 0.1–0.2 mm in diameter, ostiole sunken; frequently arranged in concentric circles or semicircles on faintly chlorotic leaf spots which often develop a purple to red margin. Asci clavate, 50–90 × 15–22 μm. Ascospores fusiform, 1-septate, 18–26 × 4–6 μm, hyaline.

Distribution

Distribution: Northland, Auckland, Waikato, Bay of Plenty, Taupo, Rangitikei, Wanganui, Wellington, Gisborne, Hawkes Bay, Wairarapa, Nelson, Buller, Westland, Fiordland, Southland.; 1st Record: Dick (1982: as Microthyrium eucalypti).

Notes

Pathogenicity

Significance: Commonly occurs in the lower crown on older leaves but causes little damage.; Host(s): Eucalyptus delegatensis, E. fastigata, E. fraxinoides, E. johnstonii, E. regnans.