Mycosphaerella fraxinicola

Mycosphaerella fraxinicola
Spots
Scientific classification Edit this classification
Kingdom: Fungi
Division: Ascomycota
Class: Dothideomycetes
Order: Capnodiales
Family: Mycosphaerellaceae
Genus: Mycosphaerella
Species:
M. fraxinicola
Binomial name
Mycosphaerella fraxinicola
(Schwein.) House[1]

Mycosphaerella fraxinicola is a species of fungi that causes leaf spots on ash trees.[2] It appears in late summertime.[3][4]

Description

Initially, the leaf spots start out as irregularly shaped and pale green before rotting to black. Spots measure between 5 to 15 mm (0.2 to 0.6 in).[3][5]

References

  1. ^ "Mycosphaerella fraxinicola (Schwein.) House". Global Biodiversity Information Facility. Retrieved 30 July 2025.
  2. ^ Citizen science observations for Mycosphaerella fraxinicola at iNaturalist
  3. ^ a b "Ash Leaf Spot". bygl.osu.edu. 2016-07-07. Retrieved 2025-07-31.
  4. ^ "Ash | Texas Plant Disease Handbook". plantdiseasehandbook.tamu.edu. Retrieved 2025-07-31.
  5. ^ "Ash (Fraxinus spp.)-Leaf Spots". Pacific Northwest Pest Management Handbooks. 2015-09-11. Retrieved 2025-07-31.