Poa urssulensis Trin. var. kanboensis (Ohwi) Olonova & G.Zhu (Synonym : Poa kanboensis Ohwi)

Family : Poaceae

Poa ussuriensis Roshev.

Family : Poaceae

Podocarpus macrophyllus (Thunb.) Sweet (Synonym : Podocarpus forrestii Craib & W.W.Sm.)

Family : Podocarpaceae

Pogonia japonica Rchb.f. (Synonym : Pogonia ophioglossoides (L.) Ker Gawl. var. japonica (Rchb.f.) Finet)

Family : Orchidaceae

Pogonia minor (Makino) Makino (Synonym : Pogonia japonica Rchb.f. var. minor Makino)

Family : Orchidaceae

Pogostemon stellatus (Lour.) Kuntze (Synonym : Dysophylla esquirolii H.Lév.)

Family : Lamiaceae

Pogostemon yatabeanus (Makino) Press (Synonym : Dysophylla Lythroides Diels)

Family : Lamiaceae

Polemonium caeruleum L. subsp. kiushianum (Kitam.) H.Hara

Family : Polemoniaceae

Polemonium caeruleum L. subsp. laxiflorum (Regel) Koji Ito (Synonym : Polemonium racemosum Kitam. var. laxiflorum (Regel) Nakai ex W.T.Lee)

Family : Polemoniaceae

Pollia japonica Thunb.

Family : Commelinaceae