เรื่อง ทะเบียนพันธุพืชในประเทศไทย

Helwingia japonica Dietr. Helwingiaceae
Hemarthria compressa (L.f.) R. Br. Poaceae
Hemerocallis aurantiaca Bak. Tall Yellow Day Lilly,
Lemon Lily
Hemerocallidaceae
Hemerocallis flava L. Hemerocallidaceae
Hemerocallis sp. Hemerocallidaceae
Hemicyclia Hemicyclia Euphorbiaceae
Hemigraphis colorata Blume Acanthaceae
Hemigraphis glaucescens (Nees) Cl. Acanthaceae
Hemigraphis schomburgkii Craib Acanthaceae
Hemigraphis sp. Acanthaceae
Hemionitis arifolia (Burm.f.) Moore Pteridaceae
Hemiorchis rhodorrhachis K.Schum. Zingiberaceae
Hemipilia calophylla Parish & Rchb.f. Orchidaceae
Hemsleya sp. Cucurbitaceae
Henckelia appressipilosa B.L. Burtt Gesneriaceae
Henckelia browniana A. Weber Gesneriaceae
Henckelia filicalyx B.L. Burtt Gesneriaceae
Henckelia flava (Ridl.) A. Weber Gesneriaceae
Henckelia inaequalis (Ridl.) A. Weber Gesneriaceae
Henckelia porphyrea B.L. Burtt Gesneriaceae
Henckelia reptans (Jack) Spreng. var. monticola
(Ridl.) A. Weber
Gesneriaceae
Henckelia rugosa (Ridl.) A. Weber Gesneriaceae
Henslowia sessilis Craib Santalaceae
Henslowia sp. Santalaceae
Heptaca latifolia Gardn. & Champ. Actinidiaceae
Heracleum siamicum Craib var. gracilius Craib Umbelliferae
Heracleum sp. Umbelliferae
Herbenaria sp. Orchidaceae
Heritiera khidii Kosterm. Sterculiaceae
Heritiera sp. Sterculiaceae
Hernandia peltata Meisn. Hernandiaceae
Hernandia sp. Hernandiaceae