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Quadro Mertensia paniculata - Mary Vaux Walcott

Quadro Iris missouriensis - Mary Vaux Walcott

Quadro Azalée dell'Ovest - Mary Vaux Walcott

Quadro Trille cireux - Mary Vaux Walcott

Quadro Renoncule aquatique - Mary Vaux Walcott

Quadro Cholla bâton de marche - Mary Vaux Walcott

Quadro Trille d'Underwood - Mary Vaux Walcott

Quadro Trille simile - Mary Vaux Walcott

Quadro Trille sessile - Mary Vaux Walcott

Quadro Trille bianco - Mary Vaux Walcott

Quadro Stewartia de Virginie - Mary Vaux Walcott

Quadro Stewartia de Virginie - Mary Vaux Walcott

Quadro Claytonia de Virginie - Mary Vaux Walcott

Quadro Tradescantia de Virginie - Mary Vaux Walcott

Quadro Mertensia virginica - Mary Vaux Walcott

Quadro Viola des marais - Mary Vaux Walcott

Quadro Violette orbiculaire Viola orbiculata - Mary Vaux Walcott

Quadro Vesce d'Amérique Vicia americana - Mary Vaux Walcott

Quadro Verveine de Wright Verbena wrightii - Mary Vaux Walcott

Quadro Véronique de Wormskjold Veronica wormskjoldii - Mary Vaux Walcott

Quadro Véronique à feuilles de serpolet Veronica serpyllifolia - Mary Vaux Walcott

Quadro Iris printanier Iris verna - Mary Vaux Walcott

Quadro Attrape-mouche di Venere Dionaea muscipula - Mary Vaux Walcott

Quadro Sans titre - Mary Vaux Walcott

Quadro Sans titre Tripterocalyx pedunculatus - Mary Vaux Walcott

Quadro Esquisse inachevée - Mary Vaux Walcott

Quadro Magnolia à grandi foglie Magnolia tripetala - Mary Vaux Walcott

Quadro Jeffersonie a due foglie Jeffersonia diphylla - Mary Vaux Walcott

Quadro Tête de tortue Chelone glabra - Mary Vaux Walcott

Quadro Lis turban Lilium superbum - Mary Vaux Walcott