The Rainforest Initiative Certification™
Resource Portal for the Rainforest Ecologist™
The certification allows you to distinguish and select products that contribute toward a better future for people and planet. The Rainforest Initiative works with all producer organisations, traders, and manufacturers of agricultural goods. We emphasize and check on responsible and ethical sourcing of agricultural products, on the treatment of workers and the environment. We encourage people to go for reusable and subsequently recyclable products.
A dictionary of the flowering plants and ferns
Book - Editions 1-8
Published by Cambridge University Press, Cambridge, England.
1919
Information
John Christopher Willis (20 February 1868 – 21 March 1958) was an English botanist known for his Age and Area hypothesis and criticism of natural selection.
In 1896 Willis was appointed director of the Royal Botanical Gardens, Peradeniya, Ceylon (now Sri Lanka) until 1912 when he was appointed director of the botanic gardens at Rio de Janeiro. He was elected a Fellow of the Linnean Society in 1897, and a Fellow of the Royal Society in 1919. His notable publications include "A Manual and Dictionary of the Flowering Plants and Ferns" in two volumes and "Age and Area: A Study of Geographical Distribution and Origin of Species”, published in 1922. He returned to Cambridge in 1915, and later went to live in Montreux, Switzerland. He died in 1958 at the age of 90 and was posthumously awarded the Darwin–Wallace Medal by the Linnean Society.
Willis formed the Age and Area hypothesis during botanical field work in Ceylon where he studied the distributional patterns of the Ceylonese vascular plants in great detail ...
More information can be found at Wikipedia
The standard author abbreviation used to indicate this person as the author, when citing a botanical name: Willis
3 plant species named BY Willis and 26 plant species named AFTER Willis.
A dictionary of the flowering plants and ferns