Leaf Spot

Phyllosticta kalmicola

Phyllosticta kalmicola is a common, yet significant plant pathogen in the family Botryosphaeriaceae.
Leaf Spot - Phyllosticta kalmicola Leaf spot is caused by the fungus Phyllosticta kalmicola. It is characterized by irregular, silvery spots with reddish borders. The black specks are the fruiting bodies (pycnidia) of the fungus. All the mountain laurels (Kalmia latifolia) that I passed while hiking were afflicted by this fungus. https://www.jungledragon.com/image/60186/leaf_spot_-_phyllosticta_kalmicola.html https://www.jungledragon.com/image/60185/leaf_spot_-_phyllosticta_kalmicola.html Geotagged,Kalmia,Kalmia latifolia,Kalmia latifolia disease,Leaf Spot,Phyllosticta,Phyllosticta kalmicola,Spring,United States,leaf spot,mountain laurel,mountain laurel disease,plant disease

Appearance

Leaf spot is characterized by round to irregular-shaped silvery spots that are up to 5 mm in diameter. They have reddish to purple borders. The black specks are the fruiting bodies (pycnidia) of the fungus, and form in the centers of older spots. Leaf spot is most severe under crowded, shaded, and excessively moist conditions.
Leaf Spot - Phyllosticta kalmicola Leaf spot is caused by the fungus Phyllosticta kalmicola. It is characterized by irregular, silvery spots with reddish borders. The black specks are the fruiting bodies (pycnidia) of the fungus. All the mountain laurels (Kalmia latifolia) that I passed while hiking were afflicted by this fungus. https://www.jungledragon.com/image/60184/leaf_spot_-_phyllosticta_kalmicola.html https://www.jungledragon.com/image/60186/leaf_spot_-_phyllosticta_kalmicola.html Geotagged,Kalmia,Kalmia latifolia,Leaf Spot,Phyllosticta,Phyllosticta kalmicola,Spring,United States,fungus,leaf spot,mountain laurel,plant pathogen

Naming

Synonym: Mycosphaerella colorata
Leaf Spot - Phyllosticta kalmicola Leaf spot is caused by the fungus Phyllosticta kalmicola. It is characterized by irregular, silvery spots with reddish borders. The black specks are the fruiting bodies (pycnidia) of the fungus. All the mountain laurels (Kalmia latifolia) that I passed while hiking were afflicted by this fungus. https://www.jungledragon.com/image/60184/leaf_spot_-_phyllosticta_kalmicola.html https://www.jungledragon.com/image/60185/leaf_spot_-_phyllosticta_kalmicola.html Geotagged,Kalmia latifolia,Leaf Spot,Phyllosticta,Phyllosticta kalmicola,Spring,United States,fungus,leaf spot,mountain laurel,plant pathogen

Habitat

Leaf spot is a plant pathogen on Mountain Laurel (Kalmia latifolia) as well as some other members of the Ericaceae family.

References:

Some text fragments are auto parsed from Wikipedia.

https://en.wikipedia.org/wiki/Phyllosticta
http://eol.org/pages/18163464/names?all=1
Taxonomy
KingdomFungi
DivisionAscomycota
ClassDothideomycetes
OrderBotryosphaeriales
FamilyBotryosphaeriaceae
GenusPhyllosticta
SpeciesPhyllosticta kalmicola
Photographed in
United States of America