Table 1.

Number of recorded rust fungi (Uredinales) as a percentage of the number of vascular plants in various countries.

Country	No. rust species	No. plant species	Rusts as % of plants	Reference
South Africa	397	23420	1.7 %	A. Wood, unpubl. data
Zimbabwe	143	4440	3.2 %	A. Wood, unpubl. data
Hawaii	22	1897	1.1 %	Gardner (1994)
Great Britain	238	1443	16.5 %	Wilson & Henderson (1966)
Norway	265	ca. 2000	13.3 %	Gjærum (1974)
Japan	790	4022	19.6 %	Hiratsuka et al. (1992)
Canadian arctic	53	325	16.3 %	Parmelee (1989)
Guatemala	416	ca. 8000	5.2 %	Hennen & McCain (1993)
El Salvador	140	ca. 2500	5.6 %	Hennen & McCain (1993)