Ridiculous R4

Plant A

Plant C

Quiz

Plant B

Plant D

Plant A is Answer Dactylorhiza x venusta (Hybrid Marsh orchid)

Plant B is Answer Sagina x normaniana (Scottish Pearlwort)

Plant C is Answer Equisetum pratense (Shade horsetail)

Plant D is Answer Teucrium fruticans (Shrubby Germander)