Is this mould on my leaves?

[HippyInEngland]

Hi guys, ive noticed this growing on 1 of my plants, its a lowryder#2 growing in a greenhouse, im in the UK and we have had 30 days of rain in the last 35 days, i was wondering if its mould starting or mildew because of the damp air, its on several leaves and is circular in shape about the size of half a dime.

 

[Mr.Wakenbake]

yup looks like mold to me man... get yourself some garden sulphur and dust the plants with it. It will go away afterwards.