[9] Also 'Three perplexing names of species of Campanula L.'[10] and 'The taxonomy and conservation of Campanula primulifolia (Campanulaceae), a critically endangered species in the Iberian Peninsula' in 2010 (with Anna Trias-Blasi, Eddie, William M.M.
[12] In 1999, he was honoured by the naming of Ianhedgea, a genus of flowering plants belonging to the family Brassicaceae from central Asia and Tibet.
[15] In 2010, with other members of the Royal Botanical Garden, he identified various plant specimens for Mark Price's book 'Animal Re-introductions: The Arabian Oryx in Oman'.
[16] On 31 January 2012, he appealed (on behalf of the Royal Botanic Garden) via the BBC to the Pakistani government to release more than 4,000 copies of a botany text book destined for Afghanistan schools and environmental groups.
[3] It is the 'Field Guide Afghanistan Flora and Vegetation', written by Ian and Siegmar-Walter Breckle in 2010.