Jaccard P., 1896: Lecon inaugurale du cours de Paléontologie végétale, professée á la Faculté des sciences de l’Université de Lausanne. 17 pp. (in French). Bulletin de la Société vaudoise des Sc. nat. 31(119): 3-19.

 Jalas J., 1955: Rhacomitrium lanuginosum (Hedw.) Brid. als Klimaindikator in Ostfennoskandien. 16 pp. (in German). Archivum Societatis Zoologicae Botanicae Fennicae Vanamo 9: 73-88.

 Jedicke A., Furch B., Saint-Paul U., Schlüter U.-B., 1989: Increase in the oxygen concentration in Amazon waters resulting from the root exudation of two notorious water plants, Eichhornia crassipes (Pontederiaceae) and Pistia stratiotes (Araceae). 17 pp. Amazoniana 11(1): 53-69.

 Jolivet P., 1985: Un myrmecophyte hors de son pays d’Origine: Clerodendrum fallax Lindley, 1844 (Verbenaceae) aux iles du Cap Vert. 7 pp. [BOT 234] [BOT 295] 

 Junk W. J., 1970: Investigations on the Ecology and Production-Biology of the „Floating Meadows“ (Paspalo-Echinochloetum) on the middle Amazon. Part I: The floating vegetation and its ecology. [Investigaçoes sôbre a Ecologia e a Biologia de produçao dos „tapetes flutuantes“ (Paspalo-Echinochloetum) no médio Amazonas. Parte Ia: A vegetaçao flutuante e a sua ecologia.] 47 pp. Amazoniana 2(4): 449-495.