Charles B. Heiser

Names for the cultivated Capsicum species (Solanaceae)

Names for the bird peppers [Capsicum - Solanaceae]

New species of Capsicum from South America

Variation in the bottle gourd

The relationships of the Naranjilla, Solanum quitoense

A statistical study of relationships of certain species of the Solanum nigrum complex

Taxonomy

The gourd book

Solanum caripense y el origin de Solanum muricatum

A revison of the South American species of Helianthus

Sangorache, an amaranth used ceremonially in Ecuador

A new annual sunflower, Helianthus deserticolus, from the southwestern United States

Peppers of the Americas

Nightshades the paradoxical plants

The garden huckleberry and the sunberry

A revision of the South American species of Helianthus

Three new annual sunflowers (Helianthus) from the southwestern United States

The penis gourd of New Guinea

Breeding behavior of cultivated peppers

Male sterility and partial male sterility in sunflowers

Variation and subspeciation in the common sunflower, Helianthus annuus

[Letter to the editor of The Professional Geographer]

Nightshades (A Series of books in biology)

Higher plants

Notes on some species of Solanum (sect. Leptostemonum) in Latin America

A revision of the genus Schkuhria

Taxonomic and genetic studies on the cultivated peppers, Capsicum annuum L.C. frutescens L.

Monograph of psilostrophe

Methods in systematic research

Student days with Edgar Anderson, or, how I can to study sunflowers

Introgression re-examined

The fascinating world of the nightshades

Hybridization in the annual sunflowers

New chromosome numbers in Helianthus and related genera (Compositae)

Taxonomy of Capsicum sinense Jacq. and the geographic distribution of the cultivated Capsicum species

Totoras, Taxonomy, and Thor

Notes on the origin of two ornamental sunflowers, Helianthus multiflorus L. and H. laetiflorus Pers

A "new" cultivated sunflower from Mexico

The gourd book

The North American sunflowers (Helianthus)