緑藻りょくそう植物しょくぶつもんでしょう
ryokusōshokubutsumondeshō

Noun
Desu Copula

Expresses probability in a polite manner ("probably…") of 緑藻植物門

1. Probably a green alga.; Possibly a green alga.

Polite
Presumptive
Conjecture