P. brassicae

P. brassicae may refer to:


 * Phyllosticta brassicae, a fungal pathogen
 * Phytometra brassicae, a moth that is very destructive to plants
 * Phytophthora brassicae, a water mould
 * Pieris brassicae, a pest butterfly
 * Plasmodiophora brassicae, a plant pathogen
 * Pyrenopeziza brassicae, a plant pathogen