Featured species

Codium parvulum

Codium parvulum is a green seaweed found in infralittoral habitats, originally described from the Red Sea. It entered the Mediterranean via the Suez...

Vespa velutina (Asian hornet)

Vespa velutina (Hymenoptera: Vespidae) is a hornet of Asian origin which is a predator of social hymenopterans, and in particular of honey bees (Apis...

Parthenium hysterophorus (parthenium weed)

P. hysterophorus is an annual herb that aggressively colonises disturbed sites. It is considered as one of the ‘100 most invasive species in the...

Albizia chinensis (Chinese albizia)

A. chinensis is a large, multipurpose tree up to 30 m tall and 1 m diameter. It has a very wide native distribution including India, China and...

Hyptis suaveolens (pignut)

Hyptis suaveolens is an annual herb that grows in disturbed habitats. It is a prolific seed producer and in dense infestations can yield up to 3000...

Gammarus tigrinus

Gammarus tigrinus is a small gammarid amphipod naturally occurring in fresh to brackish waters of the East coast of North America. The species was...

Paspalum densum (dense crowngrass)

P. densum is a fast-growing grass species naturally distributed across Central and South America and the West Indies (Brummitt, 2013). Within its...

Ulva ohnoi

It is hard to determine whether occurrences of U. ohnoi are native or exotic because Ulva taxonomy using observation of morphological characteristics...

Paratachardina pseudolobata (lobate lac scale)

Paratachardina pseudolobata (lobate lac scale) is a tiny insect that only reaches 2mm in length. It has found its way to Florida and has been...

Varanus indicus (ambon lizard)

Varanus indicus (mangrove monitor) is a terrestrial-arboreal monitor lizard that has been introduced to several locations for its meat, skin or as a...