Excerpt from Contributions From the Herbarium of the Geological Survey of Canada
Since the publication in 1890 of Part V.of Prof. John Macoun"s Catalogue of Canadian Plants the geographical range of many species has been extended, many additional Это и многое другое вы найдете в книге Contributions From the Herbarium of the Geological Survey of Canada (Classic Reprint) (James M. Macoun)