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plantain

(Encyclopedia)plantain plănˈtĭn [key], any plant of the genus Plantago, chiefly annual or perennial weeds of wide distribution. Many species are lawn pests and the pollen is often a hay fever irritant. P. psylli...

Triceratops

(Encyclopedia)Triceratops trīsĕrˈətŏps [key] [Gr., = three-horn face], genus of ornithischian quadruped dinosaurs of the late Cretaceous period. Because of some variations in sample fossils, it was thought...

ragweed

(Encyclopedia)ragweed, any plant of the genus Ambrosia, coarse, weedy herbs belonging to the family Asteraceae (aster family), most of which are native to America. They have inconspicuous greenish flowers and soft ...

Randall, John Ernest, Jr.

(Encyclopedia)Randall, John Ernest, Jr., 1924–2020, American ichthyologist, b. Los Angeles, Ph.D. Univ. of Hawaii, Manoa, 1955. A marine taxonomist, he named 30 new genera and hundreds of new species of fish. Par...

agar, substance obtained from seaweed

(Encyclopedia)agar äˈgär, āˈ–, ăgˈär [key], product obtained from several species of red algae, or seaweed, chiefly from the Ceylon, or Jaffna, moss (Gracilaria lichenoides) and species of Gelidium, harve...

brodiea

(Encyclopedia)brodiea or brodiaea both: brədēˈə [key], any plant of the genus Brodiaea, herbs of the family Liliaceae (lily family), with narrow leaves and blue or purple star-shaped flowers. The many North Ame...

balsam, garden

(Encyclopedia)balsam, garden, common name for the species Impatiens balsamina, a member of the jewelweed family. ...

loblolly pine

(Encyclopedia)loblolly pine, common name for the pine species Pinus taeda, found in the SE United States. ...

running pine

(Encyclopedia)running pine, common name for the plant species Lycopodium clavatum, also called ground pine. See Lycopodiophyta. ...

leopard

(Encyclopedia)leopard, large carnivore of the cat family, Panthera pardus, widely distributed in Africa and Asia. It is commonly yellow, buff, or gray, patterned with black spots and rings. The rings, unlike those ...