THE presence of Eichornia crassipes (water hyacinth) in the Nile has already been reported 1. Since then its presence in force has been noted in the River Sobat; but its spread downstream in the ...

Paraplectanoides crassipes have a unique squat morphology and colour patterns, with females largely orange and males overall black, he explained. Females have a body length of 9-12mm, while males ...

The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.

This plant is listed on Schedule 9 of the UK Wildlife & Countryside Act as an invasive, non-native species and is banned from sale. See cultivation notes for further details A floating, aquatic ...