Collard: References & Edit History

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  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type Description Contributor Date
Article title updated for style. Oct 31, 2026
Deleted Web site: National Center for Biotechnology Information - PubMed Central - Brassica oleracea var. acephala (kale) improvement by biological activity of root endophytic fungi. Apr 10, 2026
Add new Web site: Pennsylvania State University - Plant Village - Collard greens. Jan 30, 2026
Add new Web site: WebMD - Health Benefits of Collard Greens. Sep 27, 2025
Add new Web site: University of California - Agriculture and Natural Resources - Collard. Aug 15, 2025
Add new Web site: National Center for Biotechnology Information - PubMed Central - Brassica oleracea var. acephala (kale) improvement by biological activity of root endophytic fungi. Jul 03, 2025
Add new Web site: Colorado State University - Food Source Information - Collard Greens. May 09, 2025
Anniversary information added. May 12, 2023
Add new Web site: Clemson Cooperative Extension - Home and Garden Information Center - Collards. Dec 16, 2022
Corrected display issue. Aug 22, 2018
Media added. Mar 10, 2016
Expanded physical description and mentioned insect pests. Jul 16, 2015
Added new Web site: University of Illinois Extension - Collards. Jun 06, 2006
Article added to new online database. Jul 20, 1998
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