Special issues may be ordered from the editor or from booksellers by title and ISBN number. Alsterworthia members receive a discount on special issues when ordering from Alsterworthia International only. Members' discounts are published each year in the November journal.
Alsterworthia International Special Issues with prices to the public inclusive of uninsured surface mail.
No. 1. A Haworthia Species concept update. Ingo Breuer. £9.00. Facilitates the comparison of 5 classifications. List of accepted names all (177) illustrated, basionyms and synonyms. Comparison of authors' accepted names. 24 A4 pages.
No. 2. Bulbinella in New Zealand by Lesley Milicich, School of Biological Sciences, Victoria University. £8.00. (Article is included in the July 2003 journal.) Comprehensive coverage of the small number of species native to New Zealand including two sub-antarctic islands.
No. 3. "Aloe pumila, Haworthia pumila; what or who is confused?" & "Classification with purpose (Madagascan aloes & Poellnitzia rubriflora by Brace Bayer. 12 A4 pages. £7.00.
No. 4. Molecular phylogenetics Treutlein et al. Alooideae-Asphodelaceae and the genera thereof, What should we learn from history? H. limifolia v. arcana. Bruce Bayer. £11.00.
No. 5. Asphodelaceae of southern Africa. An annotated check list. (Reprinted from Strelitzia 15) £8.00.
No. 6. Riversdale - Mecca for magnificent haworthias by Kobus Venter. Geology by Pieter Bosch. 46 A4 pages with many habitat colour photos. Produced primarily for non-members but available to members for £15.00
No. 7. New Haworthia species/combinations published subsequent to Haworthia Revisited - Part 1. 36 A4 pages. Includes all except those published by Dr Hayashi, which will be the subject of Part 2 to be published later. £12.00.
No. 8. Colour-illustrated experiences of two expeditions for succulents in central, south and southwestern Madagascar. 252 colour photos. £15.00
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