Powdery mildew

B Botryobasidium blight Botryobasidium conspersum B Botryobasidium laeve Botryobasidium laeve B Botryobasidium pruinatum Botryobasidium pruinatum B Botryobasidium subcoronatum Botryobasidium subcoronatum R Rhizoctonia root rot Botryobasidium vagum B Botryoconis disease Botryoconis A Apple botryoconiosis Botryoconis saccardoi B Botryodiplodia canker Botryodiplodia B Botryodiplodia canker of maple Botryodiplodia acerina B Botryodiplodia branch dieback Botryodiplodia hypodermia B Botryodiplodia palm disease Botryodiplodia palmarum B Botryodiplodia leaf spot Botryodiplodia pandani B Botryohypochnus Botryohypochnus B Botryohypochnus isabellinus Botryohypochnus isabellinus B Botryosphaeria canker Botryosphaeria B Botryosphaeria festucae blight Botryosphaeria festucae A Apple ring rot Botryosphaeria kuwatsukai B Botryosphaeria canker of Douglas-fir Botryosphaeria pseudotsugae B Botryosphaeria canker of oak Botryosphaeria quercuum B Botryosphaeria dieback Botryosphaeriales B Botryosporium blight Botryosporium B Botryosporium rot Botryosporium longibrachiatum B Botryosporium blight Botryosporium pulchrum B Botryotinia Botryotinia B Botrytis neck rot of onion Botryotinia squamosa B Botryotrichum Botryotrichum B Botryotrichum domesticum Botryotrichum domesticum B Botryotrichum murorum Botryotrichum murorum B Botrytis neck rot of onion Botrytis aclada O Onion neck rot Botrytis allii C Clover botrytis Botrytis anthophila I Iris bulb rot Botrytis convoluta G Gray mold of crocus Botrytis croci B Botrytis blight of lilies Botrytis elliptica C Chocolate spot Botrytis fabae S Snowdrop gray mold Botrytis galanthina H Hyacinth botrytis Botrytis hyacinthi G Grey mold Botrytis lanea P Peony botrytis blight Botrytis paeoniae W White rot of leek Botrytis porri G Gray mold pseudocinerea Botrytis pseudocinerea T Tulip fire Botrytis tulipae B Bovista Bovista B Bovista aestivalis Bovista aestivalis B Bovista dermoxantha Bovista dermoxantha M Mud puffball Bovista limosa B Bovista nigrescens Bovista nigrescens B Bovista paludosa Bovista paludosa L Lead-grey puffball Bovista plumbea B Bovistella Bovistella B Bovistella radicata Bovistella radicata B Brachybasidiaceae Brachybasidiaceae D Dothiorella necrosis Dothiorella B Brasiliomyces Brasiliomyces P Powdery mildew of mallows Brasiliomyces malachrae B Brasiliomyces malvastri Brasiliomyces malvastri B Brazilian wheat streak Brazilian wheat B Brefeldiella Brefeldiella B Brefeldiella brasiliensis Brefeldiella brasiliensis B Brefeldiellaceae Brefeldiellaceae