23-05-25 Misc.: Master/doctor theses
23-05-25 Research: Grass litter decomposition on Sarobetsu mire (paper)
23-05-22 Research: Marchantia papillata ssp. grossibarba
23-05-22 Seminar: Symbiosis in nature (February 1 14:45-, D103)
23-04-17 Research: Flora on Mount Usu (Revise)
23-03-11 Research: Plant community dynamics on volcanoes
23-03-11 Research: Specimen checklist (Revise)
23-02-28 Lecture: HUSTEP (Introduction to Environmental Earth Science)
23-02-23 Lecture: Catalog: lectures and practices in 2023 (Revised)

23-05-29 Plants: Potentilla canadensis, Petasites fragrans, Omphalodes verna
23-05-08 Glossary: bioethics, agricultural science, green revolution