An illustrated flora of the northern United States, Canada and the British possessions. From Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. Воспроизведено в оригинальной авторской орфографии издания 1913 года (издательство "New York : Scribner"). Это и многое другое вы найдете в книге An illustrated flora of the northern United States, Canada and the British possessions (Nathaniel Lord Britton)