In the same manner, at the present day, we see that very many European productions cover the ground in La Plata, New Zealand, and to a lesser degree in Australia, and have beaten the natives; whereas extremely few southern forms have become naturalised in any part of the northern hemisphere, though hides, wool, and other objects likely to carry seeds have been largely imported into Europe during the last two or three centuries from La Plata and during the last forty or fifty years from Australia.
Era berean, egun ikusten dugu Europako ekoizkin askok estaltzen dutela La Plata, Zeelanda Berri eta, neurri txikiagoan, Australiako herrialdea, eta bertakoak azpiratu dituztela; artean, ostera, hegoaldeko forma oso gutxi klimaratu da ipar hemisferioko ezein aldetan, nahiz eta azken bizpahiru mendeetan haziak eramateko moduko larru, artile eta beste horrelako asko inportatu den Europara La Platatik eta azken berrogei edo berrogeita hamar urteetan Australiatik.