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bluegrass

(Encyclopedia) bluegrass, any species of the large and widely distributed genus Poa, chiefly range and pasture grasses of economic importance in temperate and cool regions. In general, bluegrasses…

toothwort

(Encyclopedia) toothwort, any species of the genus Dentaria [Lat. dens=tooth, for the toothed rhizomes of some species], slender perennials of the family Cruciferae (or Brassicaceae; mustard family…

goldenrod

(Encyclopedia) goldenrod, any species of the large genus Solidago of the family Asteraceae (aster family), chiefly North American weedy herbs. They have small yellow flowers clustered, often in…

tarweed

(Encyclopedia) tarweed, any of several related resinous herbs (chiefly species of Hemizonia and Madia) of the family Asteraceae (aster family), having strongly scented and sticky herbage. Most North…

blenny

(Encyclopedia) blenny, common name of various species of extremely numerous small fishes belonging to the suborders Blennioidei (blennies) and Notothenioidei (Antarctic blennies). They are…

biological diversity

(Encyclopedia) biological diversity or biodiversity, the number of species in a given habitat. Scientists have variously estimated that there are from 3 to 30 million extant species, of which 2.5…

ant

(Encyclopedia) ant, any of the 2,500 insect species constituting the family Formicidae of the order Hymenoptera, to which the bee and the wasp also belong. Like most members of the order, ants have a…

drongo

(Encyclopedia) drongodrongodrŏngˈgō [key], any of the insect-eating Old World birds of the family Dicruridae. Most species have black plumage with an iridescent purple or green shimmer and long,…

oxalis

(Encyclopedia) oxalisoxalisŏkˈsəlĭs [key] or wood sorrel, any species of the plant genus Oxalis. Most of the cultivated kinds are tropical herbs used as window plants. The leaves are usually…

iguana

(Encyclopedia) iguanaiguanaĭgwäˈnə [key], name for several large lizards of the family Iguanidae, found in tropical America and the Galapagos. The common iguana (Iguana iguana) is a tree-living,…