เรื่อง ทะเบียนพันธุพืชในประเทศไทย

Pycreus pumilus (L.) Nees ex C.B. Clarke Cyperaceae
Pycreus pumilus (L.) Nees ex C.B. Clarke subsp.
membranaceus (Vahl) T. Koyama
Cyperaceae
Pycreus sanguinolentus (Vahl) Nees ex C.B. Clarke Cyperaceae
Pycreus stramineus (Nees) C.B. Clarked Cyperaceae
Pycreus sulcinus C.B. Clarke Cyperaceae
Pycreus unioloides (R.Br.) Urban Cyperaceae
Pygeum Pygeum Rosaceae
Pygmaeopremna sp. Verbenaceae
Pyramidanthe sp. Annonaceae
Pyrenacantha volubilis Wight Icdinaceae
Pyrenaria garrettiana Craib Theaceae
Pyrenaria sp. Theaceae
Pyrostegia sp. Bignoniaceae
Pyrrosia acrostichoides Ching Polypodiaceae
Pyrrosia angustata (Sw.) Ching Polypodiaceae
Pyrrosia angustissima (Gies. ex Diels) Tagawa & K.
Iwats.
Polypodiaceae
Pyrrosia costata (Presl ex Bedd.) Tagawa & K. Iwats. Polypodiaceae
Pyrrosia floccigera (Blume) Ching Polypodiaceae
Pyrrosia flocculosa (D.Don) Ching Polypodiaceae
Pyrrosia heteractis (Mett. ex Kunhn) Ching var.
minor Ching
Polypodiaceae
Pyrrosia lanceolata L. Polypodiaceae
Pyrrosia mannii (Gies.) Ching Polypodiaceae
Pyrrosia nuda (Gies.) Ching Polypodiaceae
Pyrrosia penangiana (Hook.) Holtt. Polypodiaceae
Pyrrosia porosa (Wall. ex Presl) Hoven. Polypodiaceae
Pyrrosia sp. Polypodiaceae
Pyrrosia varia (Kaulf.) Farw. Polypodiaceae
Pyrus sp. Rosaceae
Quamoclit Quamoclit Convolvulaceae
Quarcus sp. Fagaceae
Quercifilix zeylanica (Houtt.) Copel. Dryopteridaceae