Gnomonia leptostyla

Gnomonia leptostyla
	Topside view of a Juglans regia leaf infected by G. leptostyla
	Underside view of a Juglans regia leaf infected by G. leptostyla
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Diaporthales
Family:	Gnomoniaceae
Genus:	Gnomonia
Species:	G. leptostyla
Binomial name
	Gnomonia leptostyla; (Fr.) Ces. & De Not., (1863)
Synonyms
	Gloeosporium juglandis(Lib.) Mont., (1849); Gnomonia juglandis(DC.) Traverso; Leptothyrium juglandisLib.,: no. 164 (1832); Marssonia juglandis(Lib.) Sacc., (1884); Marssoniella juglandis(Lib.) Höhn., (1916); Marssonina juglandis(Lib.) Magnus, (1906); Neomarssoniella juglandis(Lib.) U. Braun, (1991); Sphaeria juglandisDC., (1815); Sphaeria leptostylaFr., (1823)

Last updated August 17, 2025

Gnomonia leptostyla is a fungal plant pathogen. It is newly named Ophiognomonia leptostyla and occurs on walnut ( Juglans spp.) and causes leaf blotch and leaf spots which is called walnut anthracnose or walnut black spot. The anamorph is Marssoniella juglandis.^[1]

References

↑ Sogonov MV, Castlebury LA, Rossman AY, Mejia LC, White JF (2008). "Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales". Studies in Mycology. 62: 1–79. doi:10.3114/sim.2008.62.01. PMC 2621335 . PMID 19287541.

External links

This Diaporthales-related article is a stub. You can help Wikipedia by expanding it.

This fungal tree disease article is a stub. You can help Wikipedia by expanding it.

This page is based on this Wikipedia article
Text is available under the CC BY-SA 4.0 license; additional terms may apply.
Images, videos and audio are available under their respective licenses.

[1] Sogonov MV, Castlebury LA, Rossman AY, Mejia LC, White JF (2008). "Leaf-inhabiting genera of the Gnomoniaceae, Diaporthales". Studies in Mycology. 62: 1–79. doi:10.3114/sim.2008.62.01. PMC 2621335 . PMID 19287541.

[1]

Taxon identifiers
Ophiognomonia leptostyla	Wikidata: Q1659652 CoL: 49XGS EPPO: GNOMLE GBIF: 5952582 iNaturalist: 1145390 IndexFungorum: 512187 MycoBank: 512187 NCBI: 187235 Observation.org: 799883 Open Tree of Life: 343685 PPE: ophiognomonia-leptostyla SpeciesFungorum: 512187
Sphaeria leptostyla	Wikidata: Q59548029 CoL: 6YWM5 GBIF: 2566997 IndexFungorum: 163326 IRMNG: 10205339 MycoBank: 163326 SpeciesFungorum: 163326

Gnomonia leptostyla

Topside view of a Juglans regia leaf infected by G. leptostyla

Underside view of a Juglans regia leaf infected by G. leptostyla
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Sordariomycetes
Order:	Diaporthales
Family:	Gnomoniaceae
Genus:	Gnomonia
Species:	G. leptostyla
Binomial name
*Gnomonia leptostyla* (Fr.) Ces. & De Not., (1863)
Synonyms
Gloeosporium juglandis(Lib.) Mont., (1849) Gnomonia juglandis(DC.) Traverso Leptothyrium juglandisLib.,: no. 164 (1832) Marssonia juglandis(Lib.) Sacc., (1884) Marssoniella juglandis(Lib.) Höhn., (1916) Marssonina juglandis(Lib.) Magnus, (1906) Neomarssoniella juglandis(Lib.) U. Braun, (1991) Sphaeria juglandisDC., (1815) Sphaeria leptostylaFr., (1823)