Life … Plants Vascular Plants Dicots Mustards, Capers, and Allies Mustard Family Wallflower Swiss Treacle-mustard species 599 observations Swiss Treacle-mustard Erysimum rhaeticum Supports All 8 native animalssupported in the US Plant eaters Animals that feed on it Mallard, Common Raven, Eurasian Jackdaw, Redpoll 5 Flower visitors Pollinators and other flower visitors Yellowish Cuckoo Bumble Bee, Annulate Masked Bee, Little Masked Bee 3 Close