David Koretz is CEO of BlueTie, Inc., an email and collaboration services provider and Adventive, Inc., an online ad solutions company. What media-related trends have you observed in 2009 at BlueTie ...
73 adventive wild species occur in the flora of Israel: 39 are of tropical origin, 20 are North American. The geographical distribution pattern suggests that about two thirds of the species reached ...
THIS is an interesting book. The usual lists and records of alien plants are not particularly inviting to the botanist generally, and there is no doubt a tendency to look with a tolerant eye upon the ...
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