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"A tree which grows plentifully in Europe and in Siberia. It is a native of Britain, and is frequent in Scotland, where it is found even at an elevation of 1500 feet above the sea. It has recieved the specific name tremula, from the readiness with which its leaves are thrown into a tremulous motion by the slightest breath of wind. a, a portion of a branch with catkins; b, do., with leaves." — Chambers' Encyclopedia, 1875

Aspen

"A tree which grows plentifully in Europe and in Siberia. It is a native of Britain, and is frequent…

Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

Aspen

Also known as Populus tremula. A medium-sized tree growing up to 10-25 meters tall.

A trembling fern with fronds ranging between 2 feet and 4 feet in length, and 6 inches and 2 feet in width. They are commonly found in greenhouses in New Zealand and Australia.

Pteris Tremula

A trembling fern with fronds ranging between 2 feet and 4 feet in length, and 6 inches and 2 feet in…