cliff brake

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Plant seedlings emerging from rich fertile soil

Do Plants Feel Pain?

Anemone coronaria, the poppy anemone, Spanish marigold, or windflower, is a species of flowering plant.

What’s the Difference Between Angiosperms and Gymnosperms?

Hemp (Cannabis sativa).

9 Mind-Altering Plants

Sunlight shining on leaves. Photosynthesis

What Does Photosynthesis Produce?

Flower bingo

Britannica’s Flower Bingo

Discover

Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Mona Lisa, oil on wood panel by Leonardo da Vinci, c. 1503-06; in the Louvre, Paris, France. 77 x 53 cm.

Why Is the Mona Lisa So Famous?

Close up of books. Stack of books, pile of books, literature, reading. Homepage 2010, arts and entertainment, history and society

12 Novels Considered the “Greatest Book Ever Written”

earthquake. Heavily damaged school in the town of Yingxiu after a major earthquake struck China's Sichuan Province on May 12, 2008.

The 6 Deadliest Earthquakes Since 1950

Thanksgiving Turkey with all the sides

Why Do We Eat Turkey on Thanksgiving?

John F. Kennedy as a boy with his family

What Did We Call America’s Elite Before the “1 Percent”?

Thumbnail for flags that look alike quiz Russia, Slovenia, Iceland, Norway

Flags That Look Alike

cliff brake: Facts & Related Content

Written and fact-checked by The Information Architects of Encyclopaedia Britannica

Facts

Also Known As	cliffbrake • Pellaea

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Topics

button fern sickle fern Pteridaceae lip fern

Quiz

Venus's-flytrap. Venus's-flytrap (Dionaea muscipula) one of the best known of the meat-eating plants. Carnivorous plant, Venus flytrap, Venus fly trap

Plants: From Cute to Carnivorous

Demystified

Plant seedlings emerging from rich fertile soil

Do Plants Feel Pain?