Links
Societies, Groups
Fachgesellschaft andere Sukkulenten e.V. (de)
The Haworthia Society
Yahoo Groups: Haworthia
Science, Archives, Data Bases
Botanical Garden Information System
International Code of Botanical Nomenclature (ICBN), St. Louis Code (2000)
International Code of Botanical Nomenclature (ICBN), Tokyo Code (1994)
Plant Images
Cok & Ine Grootscholten: Haworthia (en)
Haworthia Gallery (cz)
Aloe (Google), Aloe (AllTheWeb)
Gasteria (Google), Gasteria (AllTheWeb)
Haworthia (Google), Haworthia (AllTheWeb)
Pasquale Ruocco: Haworthia, Aloe & Gasteria
Homepages, Blogs
François Hoes: Haworthia
Jakub Jilemicky: Haworthias & Gasterias
Joyce L. Cocozza: Haworthia
Philippe Faucon: Haworthia
Succulent Nurseries, Seed Sources
Eden-Plants
B & T World Seeds
Exotica - Botanical Rarities
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