My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

The Oniwaban was in charge of information gathering and security during the Edo period.

He is an expert in phytopathology, making a significant contribution to agriculture.

Chrysophyta perform photosynthesis underwater, supplying oxygen.

He is an expert in paleobotany.

He is an expert in paleobotany, conducting research on plants from the dinosaur era.

This biennial plant matures and blooms over the course of two years.

Phytobenthos is an important part of the marine ecosystem.