緑色 みどりいろ植物 しょくぶつ かいであれば
midoriiroshokubutsuakaideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 緑色植物亜界

1. If it is a subkingdom of green plants; If it were a subkingdom of green plants

Ba Conditional