Salvinia molesta is a Weed of National Significance In Australia. It is regarded as one of the worst aquatic weeds in Australia because of its invasiveness, potential for spread, and economic and ...

Ferns are closely related to flowering plants but remain much less studied. Genome sequences of two ferns help redress this imbalance, and illuminate their mechanisms of defence and nitrogen fixation.

Repairs are underway, but the city says it may take the remainder of the day to fix.

Institute of Natural Medicine, University of Toyama, 2630-Sugitani, Toyama 930-0194, Japan, and National Cancer Center Hospital East, 6-5-1Kashiwa, Chiba 277-8577, Japan * To whom correspondence ...