SCIENCE|natural and applied sciences
- an Eagraíocht Idirnáisiúnta um Staidéar ar Phlandaí Súmhara Reference Faomhadh an téarma seo mar chuid de Thionscadal Lex
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- International Organisation for Succulent Plant Study | International Organization for Succulent Plant Study | IOS
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- Definition organisation with the aim of promoting the study and conservation of succulent and allied plants and to encourage international cooperation amongst those interested in them Reference International Organizations for Succulent Plant Research (19.5.2021)
- Comment Established in 1950 at the Städtische Sukkulenten-Sammlung, Zürich, Switzerland.