African club moss is a creeping ground cover fern that spreads quickly, preventing seedling regeneration.

African feather grass is a perennial grass that forms large clumps up to two metres tall. From November to April, it produces long, thin flower heads.

Agapanthus grows as clumps of arching, strap-like green leaves with a watery sap. It produces purplish-blue or white flowers on top of tall stalks.

Akebia currently has a limited distribution in Northland. It is a twining vine or ground cover, with leaves of five oval shaped leaflets.

Alligator weed is a perennial emergent aquatic plant that can also grow in terrestrial areas.

Bright green seaweed with horizontal runners that reach up to nine meters.

Worker ants are only 2–3 mm long and are a uniform honey-brown colour.

An evergreen perennial up to 45cm high. Its has clusters of 5-7 deep blue flowers in December that only come out in bright sunlight. 

Asian clam occurs in estuaries and brackish waters, particularly in mud, sand, peat and clay surfaces.

The Asian date mussel is generally 10-25mm in length but can grow to 30mm.  It has a smooth olive-green to greenish-brown shell, with zig-zag markings and iridescent radiating bands.

Asian paddle crabs are relatively large swimming crabs with the potential to compete with native crabs for space and food.

Paper wasps are distinguished by their body shape, which is slender and 13-25mm long. They have reddish-brown to black bodies with yellow rings and reddish areas on the abdomen.