Among the more usual, yellow flowers are these, belonging to yet another pea family member. The Meadow Vetchling (Lathyrus pratensis) creeps and scrambles its way through and around the other plants, almost overlooked as its grey-green leaves merge with its neighbours.Hypericum perforatum). A beautiful plant, which gets its name from the minute perforations in its leaves. You can just make out these perforations in my picture, in the leaves on the right hand side.
Epilobium angustifolium). These too buck the trend of yellow and white with their pink flower spikes. Sometimes called Fireweed because it is almost always among the first large plant species to re-populate an area made barren by fire.