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57 birthwort family species
Asarum rosei
Aristolochia lingulata
Aristolochia fimbriata
Aristolochia goldieana
Asarum sorriei
Asarum speciosum
Aristolochia chilensis
Asarum lemmonii
Aristolochia foetida
Aristolochia californica
Asarum harperi
Asarum virginicum
Asarum lewisii
Asarum contractum
Asarum heterophyllum
Asarum minus
Asarum naniflorum
Aristolochia baetica
Aristolochia arborea
Aristolochia purpusii
Aristolochia ringens
Aristolochia macroura
Aristolochia coryi
Aristolochia grandiflora
Aristolochia watsonii
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