County-Level Geographic Distributions for 47 Exotic Plant Species in Midwest USA and Central Canada, Compiled 2019
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Geographic distribution data were collected based on county level occurrences (or converted from point occurrences to county level occurrences) within the five focal...
地理分布数据基于五个重点研究区域内的县级出现记录(或由点状出现记录转换为县级出现记录)采集所得



