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Onagraceae
Epilobium
Epilobium tetragonum
Epilobium tetragonum
L., 1753
39% complete
Square-stemmed willowherb
Sp. Pl.: 348 (1753)
Specifications
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Synonyms
Epilobium glabellum var. tetragonum
(L.) Maiden & Betche
Chamaenerion tetragonum
(L.) Scop.