J. Siemonsma

发表

Plant resources of southeast Asia

N. Soetjipto, J. Siemonsma, 1989 .

Plant resources of South-East Asia. No. 8. Vegetables.

J. Siemonsma, Kasem Piluek, 1993 .

West african okra — Morphological and cytogenetical indications for the existence of a natural amphidiploid of Abelmoschus esculentus (L.) Moench and A. manihot (L.) Medikus

J. Siemonsma, 1982, Euphytica.

Variety choice and seed supply by smallholders

A. Linnemann, J. Siemonsma, 1989 .

Plant resources of South-East Asia : proceedings of the first PROSEA International Symposium, May 22-25, 1989, Jakarta, Indonesia

N. Soetjipto, J. Siemonsma, 1989 .

Plant resources of South-East Asia No. 9: plants yielding non-seed carbohydrates.

M. Flach, P. Jansen, J. Siemonsma, 1999 .

The cultivation of okra (Abelmoschus spp.), a tropical fruit vegetable, with special reference to the Ivory Coast.

J. Siemonsma, 1982 .

Plant resources of South-East Asia, No.13. Spices.

M. Nesbitt, C. D. Guzman, J. Siemonsma, 2000 .

Plant resources of tropical Africa. Basic list of species and commodity grouping.

R. Lemmens, J. Siemonsma, L. Oyen, 2002 .

Canna indica L.

J. Siemonsma, H. Ong, 1996 .