Mary Vaux Walcott 植物
美国双花。北美洲林奈`American Twinflower. Linnaea borealis americana (1925) by Mary Vaux Walcott
鸟类
沙柳、蒙塔努斯、利耶堡北沙柳、德莱塞里沙柳、利耶堡沙柳`Parus salicarius, montanus, borealis Liljeborg, Dresseri, meridionalis Liljeborg by Johann Friedrich Naumann
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