PHEMERANTHUS CONFERTIFLORUS : NEW ALIEN SPECIES TO EUROPE

摘要

Phemeranthus confertiflorus (Montiaceae) is reported as a new alien species to Europe. It is native to North America and used as decorative in rock gardens. The specimens of this plant were collected in Bucharest (Romania) and deposited in BUC. The mode of introduction of the plant is unknown, most likely escaped from cultivation. Data about habitat and population of the taxon are presented. One of the plants that accompany Phemeranthus confertiflorus is also an alien to Europe – Portulaca pilosa and this is the first record of this plant for Romania.