Powdery mildew

X Xanthopyreniaceae Xanthopyreniaceae X Xanthoria Xanthoria C Common orange lichen Xanthoria parietina X Xenasma Xenasma X Xenasma pulverulentum Xenasma pulverulentum X Xenasmataceae fungi Xenasmataceae X Xenoacremonium infection Xenoacremonium X Xenoacremonium recifei Xenoacremonium recifei X Xenodidymella disease Xenodidymella S Spur blight Xenodidymella applanata X Xenodidymella asphodeli Xenodidymella asphodeli X Xenodidymella catariae leaf spot Xenodidymella catariae X Xenodidymella humicola Xenodidymella humicola X Xenomeris Xenomeris X Xenomeris abietis Xenomeris abietis X Xenopyrenochaetopsis Xenopyrenochaetopsis X Xenopyrenochaetopsis pratorum Xenopyrenochaetopsis pratorum X Xenosperma Xenosperma X Xenosperma ludibundum Xenosperma ludibundum X Xenosphaeropsis Xenosphaeropsis X Xenosphaeropsis rot of pear Xenosphaeropsis pyriputrescens X Xenoteratosphaeria Xenoteratosphaeria X Xenoteratosphaeria jonkershoekensis Xenoteratosphaeria jonkershoekensis X Xerocomellus Xerocomellus V Velvet bolete Xerocomellus pruinatus X Xerocomus Xerocomus A Armenian bolete Xerocomus armeniacus C Chestnut bolete Xerocomus badiorufus B Bay bolete Xerocomus badius B Bicolor bolete Xerocomus bicolor X Xerocomus bubalinus Xerocomus bubalinus R Red cracking bolete Xerocomus chrysenteron G Golden-threaded Bolete Xerocomus chrysonemus X Xerocomus cisalpinus Xerocomus cisalpinus R Red cracking bolete Xerocomus communis X Xerocomus declivitatus Xerocomus declivitatus I Impolite bolete Xerocomus depilatus O Oak-loving bolete Xerocomus dryophilus R Rusty-colored bolete Xerocomus ferrugineus X Xerocomus hortonii Xerocomus hortonii H Half-red bolete Xerocomus impolitus M Moravian bolete Xerocomus moravicus X Xerocomus persicolor Xerocomus persicolor P Porosporous bolete Xerocomus porosporus X Xerocomus ripariellus Xerocomus ripariellus R Ruby bolete Xerocomus rubellus X Xerocomus silwoodensis Xerocomus silwoodensis S Suede bolete Xerocomus subtomentosus X Xerocomus truncatus Xerocomus truncatus Z Zeller's bolete Xerocomus zelleri X Xeromphalina Xeromphalina X Xeromphalina campanella Xeromphalina campanella X Xeromphalina cauticinalis Xeromphalina cauticinalis X Xerula Xerula X Xerula pudens Xerula pudens R Rooting shank Xerula radicata X Xylaria carpophila Xylaria carpophila X Xylaria filiformis Xylaria filiformis X Xylaria friesii Xylaria friesii X Xylaria guepinii Xylaria guepinii