It is no doubt not inconceivable that some of these white and pink forms are some of the very many hybrids of willowherbs detailed, but the author will leave those identifications to experts.

Hybridises with other Willowherbs, namely:

• Short-fruited Willowherb (Epilobium obscurum) to produce Epilobium × anglicum
• Square-stalked Willowherb (Epilobium tetragonum) to produce Epilobium × brevipilum
• Broad Leaved Willowherb (Epilobium montanum) to produce Epilobium × erroneum
• American Willowherb (Epilobium ciliatum) to produce Epilobium × novae-civitatis
• Pale Willowherb (Epilobium roseum) to produce Epilobium × goerzii
• Hoary Willowherb (Epilobium parviflorum) to produce Epilobium × subhirsutum

Distinguishing Feature :

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