ようしゅさんごぼうであれば
洋種山牛蒡であれば
yōshusan gobōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of ようしゅやまごぼう

1. If it is burdock root…; If it’s a foreign variety of burdock…

Ba Conditional
Usually Written in Kana