The Genus Watsonia. A Systematic Monograph
Kirstenbosch, National Botanic Gardens, 1989. 'The 52 species recognized here are described in complete botanical detail, with ... detailed analyses of their characteristics'. More
Kirstenbosch, National Botanic Gardens, 1989. 'The 52 species recognized here are described in complete botanical detail, with ... detailed analyses of their characteristics'. More
Kirstenbosch, National Botanic Gardens, 1986. Colour illustrations by Fay Anderson. The Annals of Kirstenbosch Botanic Gardens Volume 14. More
Kirstenbosch, National Botanic Gardens, 1986. Colour illustrations by Fay Anderson. The Annals of Kirstenbosch Botanic Gardens Volume 14. More
Vlaeberg, Fernwood Press, 1998. Line drawings by John C. Manning. More