common European perennial having showy yellow and orange flowers
white snapdragon
Noun
California plant with slender racemes of white flowers
woody nightshade
Noun
poisonous perennial Old World vine having violet flowers and oval coral-red berries
white horse nettle
Noun
weedy nightshade with silvery foliage and violet or blue or white flowers
wild spurge
Noun
common perennial United States spurge having showy white petallike bracts
wolf's milk
Noun
tall European perennial naturalized and troublesome as a weed in eastern North America
wood spurge
Noun
European perennial herb with greenish yellow terminal flower clusters
wild tobacco
Noun
tobacco plant of South America and Mexico
whitecup
Noun
prostrate woody South American herb with white tubular flowers often tinged with blue or rose
wartweed
Noun
not unattractive European weed whose flowers turn toward the sun
wartwort
Noun
not unattractive European weed whose flowers turn toward the sun
water fennel
Noun
European poisonous herb with fibrous roots
wild parsnip
Noun
biennial weed in Europe and America having large pinnate leaves and yellow flowers and a bitter and somewhat poisonous root
whorled caraway
Noun
a caraway with whorled leaves
water hemlock
Noun
tall erect highly poisonous Eurasiatic perennial herb locally abundant in marshy areas
winter fern
Noun
large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers
water parsnip
Noun
stout white-flowered perennial found wild in shallow fresh water
wild parsley
Noun
any of various uncultivated umbelliferous plants with foliage resembling that of carrots or parsley
water dropwort
Noun
European poisonous herb having tuberous roots, yellow juice that stains the skin, yellow flowers and foliage resembling celery
water fern
Noun
ferns that grow in water
water clover
Noun
water fern of Europe and Asia and the eastern United States distinguished by four leaflets resembling clover leaves
white rust
Noun
fungus causing a disease characterized by a white powdery mass of conidia
white slime mushroom
Noun
a type of slime mushroom
winter urn
Noun
a common name for a variety of Sarcosomataceae
white fungus
Noun
a fungus that attacks living fish and tadpoles and spawn causing white fungus disease: a coating of white hyphae on especially peripheral parts (as fins)
water mold
Noun
parasitic or saprobic organisms living chiefly in fresh water or moist soil
winter mushroom
Noun
an edible agaric that is available in early spring or late fall when few other mushrooms are
wine-maker's yeast
Noun
used in making wine
wheat rust
Noun
rust fungus that attacks wheat
wheat flag smut
Noun
fungus affecting leaves and stems of wheat
witches' butter
Noun
a yellow jelly fungus
waxycap
Noun
any fungus of the family Hygrophoraceae having gills that are more or less waxy in appearance
woody plant
Noun
a plant having hard lignified tissues or woody parts especially stems
water plant
Noun
a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
withy
Noun
strong flexible twig
water pore
Noun
a pore that exudes water on the surface or margin of a leaf of higher plants
water stoma
Noun
a pore that exudes water on the surface or margin of a leaf of higher plants
wall fern
Noun
mat-forming lithophytic or terrestrial fern with creeping rootstocks and large pinnatifid fronds found throughout North America and Europe and Africa and east Asia
watermelon begonia
Noun
grown as a houseplant for its silvery striped fleshy foliage
wall rue
Noun
small delicate spleenwort found on a steep slope (as a wall or cliff) of Eurasia and North America
wall rue spleenwort
Noun
small delicate spleenwort found on a steep slope (as a wall or cliff) of Eurasia and North America
wood fern
Noun
any of various ferns of the genus Dryopteris
wood-fern
Noun
any of various ferns of the genus Dryopteris
woodfern
Noun
any of various ferns of the genus Dryopteris
western holly fern
Noun
North American fern
woodsia
Noun
any fern of the genus Woodsia
walking fern
Noun
ferns having lanceolate fronds that root at the tip
water horsetail
Noun
Eurasia
wood horsetail
Noun
Eurasia except southern Russia
whisk fern
Noun
chiefly tropical clump-forming plants of skeletal appearance resembling whisk brooms