•
Diodia aulacosperma K.Schum. - Socotra, Somalia, Kenya, Tanzania •
Diodia barbata (
Poir.)
DC. - Guyana, Dominican Republic •
Diodia barbigera Hook. &
Arn. - Mexico •
Diodia blepharophylla Standl. - Mexico •
Diodia discolor DC. - French Guiana •
Diodia flavescens Hiern - Angola, Zambia •
Diodia indecora DC. - Mexico •
Diodia kuntzei K.Schum. - Venezuela, Bolivia, Peru, Brazil, Argentina, Paraguay •
Diodia lithospermoides K.Schum. - Peru •
Diodia macrophylla K.Schum. - Brazil, Paraguay •
Diodia microcarpa K.Schum. ex Glaziou - Brazil •
Diodia mitens Bello - Puerto Rico •
Diodia othonii Rizzini - Brazil •
Diodia paludosa Kuntze - Paraguay •
Diodia perforata Urb. - Haiti •
Diodia rubricosa Hiern - Ghana, Ivory Coast, Liberia, Nigeria, Sierra Leone •
Diodia saponariifolia (
Cham. &
Schltdl.)
K.Schum. - Central and South America •
Diodia saponarioides C.Presl - Mexico, Brazil, Argentina, Paraguay •
Diodia scandens Benth. -
Western,
Central, and
Eastern Africa •
Diodia simplex Sw. - Cuba, Jamaica •
Diodia verticillata Vahl - Brazil, Lesser Antilles •
Diodia virginiana L. - Virginia buttonweed - south-central and south-eastern United States from Texas to Kansas, east to Florida and New Jersey; also Connecticut, Cuba and Nicaragua. Naturalized in Japan, Taiwan and northern California ==References==