genus Wyethia
— Navneord
– Engelsk
～ coarse leafy perennial plants resembling sunflowers found especially in the western United States
genus Wynnea
— Navneord
– Engelsk
～ a genus of fungi belonging to the family Sarcoscyphaceae
gen X
— Navneord
– Engelsk
～ the generation following the baby boom (especially Americans and Canadians born in the 1960s and 1970s)
generation X
— Navneord
– Engelsk
～ the generation following the baby boom (especially Americans and Canadians born in the 1960s and 1970s)
genus Xanthium
— Navneord
– Engelsk
～ coarse herbs having small heads of greenish flowers followed by burrs with hooked bristles
genus Xanthomonas
— Navneord
– Engelsk
～ a genus of bacteria similar to Pseudomonas but producing a yellow pigment that is not soluble in water
genus Xanthorroea
— Navneord
– Engelsk
～ grass trees; sometimes placed in family Xanthorrhoeaceae
genus Xanthosoma
— Navneord
– Engelsk
～ tropical American tuberous perennials
genus Xenicus
— Navneord
– Engelsk
～ type genus for the Xenicidae
genus Xenopus
— Navneord
– Engelsk
～ an African clawed frog; in some classifications made the type genus of a separate family Xenopodidae
genus Xenorhyncus
— Navneord
– Engelsk
～ East Indian and Australian storks
genus Xenosaurus
— Navneord
– Engelsk
～ type and sole genus of Xenosauridae: slender-bodied Mexican lizards having the upper surface covered with tiny granules and tubercles
genus Xeranthemum
— Navneord
– Engelsk
～ genus of annual densely hairy herbs of Mediterranean to southwestern Asia
genus Xerobates
— Navneord
– Engelsk
～ possible new genus for desert and Texas tortoises based on recent research
genus Xerophyllum
— Navneord
– Engelsk
～ small genus of North American herbs having grasslike basal leaves: squaw grass; sometimes placed in family Melanthiaceae
Gregory XII
— Navneord
– Engelsk
～ the Italian pope from 1406 to 1415 who worked to end the Great Schism and who retired to make it possible (1327-1417)
Gregory XIII
— Navneord
– Engelsk
～ the pope who sponsored the introduction of the modern calendar (1572-1585)
genus Xiphias
— Navneord
– Engelsk
～ type genus of the Xiphiidae
Gregory XVI
— Navneord
– Engelsk
～ Italian pope from 1831 to 1846; conservative in politics and theology; worked to propagate Catholicism in England and the United States (1765-1846)
genus Xylaria
— Navneord
– Engelsk
～ type genus of Xylariaceae; fungi with perithecia in the upper part of erect black woody stromata