UK invasive

Spanish bluebell Hyacinthoides hispanica showing pale blue flowers and differences between this and the native Bluebell Hyacinthoides non-scripta.  For more, please see my blog on telling the difference between these species.dark anthers, blue anthers,

Skunk cabbage Lysichiton americanus showing the glossy leaves and yellow lily like flowers.

Shallon Gaultheria shallon showing white flowers, purple berries, and leathery leaves

Sea-buckthorn Hippophae rhamnoides showing pale blue glaucous foliage and cross section of single berry.

Salmonberry Rubus spectabilis showing ripe and unripe fruit along with the decorative bright pink blossoms.  Illustration also shows the clear link between this plant and other Rubus species such as Raspberry and Blackberry

Rhododendron ponticum showing pale violet flowers in full bloom, and the smooth and glossy dark green leaves

Purple Dewplant Disphyma crassifolium showing the succulent leaves tinged red, and the purple daisy-like flowers.