...The affinities of Ptychohyla apparently are not with any of theother groups that have been generically separated from Hyla...
William E. Duellman 「A Review of the Middle American Tree Frogs of the Genus Ptychohyla」
...This plant appears to be generically distinct from Erigeron,particularly in its stipitate pappus...
Charles Sturt 「Expedition into Central Australia」
便利!手書き漢字入力検索