Gustav Hertz
— Navneord
– Engelsk
~ German physicist who with James Franck proved the existence of the stationary energy states postulated by Bohr (1887-1975)
Gerhard Herzberg
— Navneord
– Engelsk
~ Canadian physicist (born in Germany) noted for contributions to understanding the structure of molecules (born in 1904)
genus Heterotheca
— Navneord
– Engelsk
~ genus of yellow-flowered North American herbs
genus Heuchera
— Navneord
– Engelsk
~ genus of North American herbs with basal cordate or orbicular leaves and small panicled flowers
genus Hevea
— Navneord
– Engelsk
~ small genus of South American trees yielding latex; "rubber trees are usually cultivated in plantations"
George Charles Hevesy de Hevesy
— Navneord
– Engelsk
~ Hungarian chemist who studied radioisotopes and was one of the discoverers of the element hafnium (1885-1966)
genus Hexagrammos
— Navneord
– Engelsk
~ type genus of the Hexagrammidae
genus Hexalectris
— Navneord
– Engelsk
~ a monocotyledonous genus of the family Orchidaceae
genus Hexamita
— Navneord
– Engelsk
~ flagellates free-living or parasitic in intestines of birds
genus Hexanchus
— Navneord
– Engelsk
~ a genus of Hexanchidae
genus Hibbertia
— Navneord
– Engelsk
~ evergreen heathlike or scandent shrubs of Madagascar; Australasia; Polynesia
genus Hibiscus
— Navneord
– Engelsk
~ large genus of tropical and subtropical herbs and shrubs and trees often grown as ornamentals for their profusion of large flowers in a variety of colors