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An ephemerophyte Sorghum halepense is a very rare species in Lower Silesia. Before 1945, it was recorded from 2 sites in Wrocław and 1 in Legnica. The paper presents 3 new sites of the species noted in Wrocław in the years 2001 and 2002. Seeds of S. halepense were transported here with bird food.
Two new for Wrocław localities of Artemisia annua L., the species not recognised since 1976 in this city, has been found. The plant grew on a sack with sand, on railway and on a new sidewalk near a church. Formerly it was reported within Wrocław city limits several times, usually from rubbish. This paper presents short description of this species, its ecological and climatic requirements, information...
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