Phoma exigua var. linicola

Phoma exigua var. linicola is a fungal plant pathogen that affects flax.

Phoma exigua var. linicola
Scientific classification
Kingdom:	Fungi
Division:	Ascomycota
Class:	Dothideomycetes
Subclass:	Pleosporomycetidae
Order:	Pleosporales
Family:	Incertae sedis
Genus:	Phoma
Species:	P. exigua
Variety:	P. exigua var. linicola
Trinomial name
Phoma exigua var. linicola (Naumov & Vassiljevsky) P.W.T. Maas, (1965)
Synonyms
Ascochyta linicola Naumov & Vassiljevsky, Mater. Mycol. Phytopath. Leningrad 5: 3 (1926) Phoma exigua f.sp. linicola Malc. & E.G. Gray, Trans. Br. mycol. Soc. 51: 619 (1968) Phoma linicola Naumov, (1926)

The disease is passed on in the seed. The effects are more pronounced after the plant has flowered. Brown discolorations can be seen with small black dots, the pycnidia, where the spores are formed. The disease severely impacts the fiber quality.^[1]