Ramularia inaequale

(Preuss) U. Braun

LEAF SPOTS amphigenous, subcircular to somewhat irregular, 1-15(-20) mm diam, sometimes elongated, at first greyish green, rarely purplish violet, later pale to dark brown, with an indefinite or a conspicuous, narrow to moderately wide brown or purplish violet halo.

CAESPITULI amphigenous, punctiform, greyish white.



CONIDIOPHORES (cp) in small to moderately rich large fascicles, occasionally solitary, developing from stromata, through stomata, erect, straight, subcylindric to geniculate-sinuous, simple, rarely branched, 5-50(-65) x 1.5-5.0(-8.0) µm, aseptate or 2-septate, hyaline, smooth.

CONIDIA (c) catenate, sometimes in branched chains, narrowly ellipsoid-ovoid, subcylindric, fusiform, cylindrical, hyaline, smooth to verruculose, 0-3-septate, (6.0-)10.0-40.0(-60.0) x (1.0-)1.5-4.5(-5.0) µm; ends obtuse to subacute; hila slightly thickened and darkened.


PLANT HOST AND DISTRIBUTION. Ramularia inaequale occurs on many plant species of different genera of the family Asteraceae, subfamily Cichorioideae (Braun 1998). The fungus has an almost worldwide distribution. It prefers temperate regions of the world.

NOTES. The teleomorph of R. inaequale is Mycosphaerella hieracii (Sacc. & Briard) Jaap (Braun 1998).


Braun U. 1998. A monograph of Cercosporella, Ramularia and allied genera. Vol. 2. IHW-Verlag.