leptopteris superba
- n New Zealand with pinnate fronds and a densely woolly stalks; sometimes included in genus Todea
leptoptilus crumeniferus
- n large African black-and-white carrion-eating stork; its downy underwing feathers are used to trim garments
leptospira
- n important pathogens causing Weil's disease or canicola fever
leptospirosis
- n an infectious disease cause by leptospira and transmitted to humans from domestic animals; characterized by jaundice and fever
leptosporangium
- n a sporangium formed from a single epidermal cell; characteristic of the Filicales or of almost all modern ferns
leptotyphlops humilis
- n burrows among roots of shrubs and beneath rocks in desert and rocky hillside areas and beach sand of western United States
lepus
- n a constellation in the southern hemisphere near Orion and Columba
- n type genus of the Leporidae: hares
lepus americanus
- n large large-footed North American hare; white in winter
lepus arcticus
- n a large hare of northern North America; it is almost completely white in winter
lepus californicus
- n the common jackrabbit of grasslands and open areas of western United States; has large black-tipped ears and black streak on the tail