あかうきくさじゃなかったです
赤浮草じゃなかったです
akaukikusajanakattadesu

Noun
Desu Copula

The polite, past negative form of あかうきくさ

1. It wasn't reddish floating weed.; It wasn't a red water plant.

Past/Perfective
Negative
Polite
Casual Register
Usually Written in Kana