(二十七)、蔥草科 Xyridaceae
Hansen, B. 1979a. Notes on Asian species of Xyris. Bot. Tidsskr. 74(1): 21-25.
Hansen, B. 1979b. The genus Xyris in Thailand and Indochina. Acta Phytotax.
　　Geobot. 30(4-6): 189-194 .
Rudall, P. J. and M. G. Sajo. 1999. Systematic position of Xyris: flower and seed
　　anatomy. Int. J. Pl. Sci. 160(4): 795-808.

(二十八)、角果藻科 Zannichelliaceae
Sidik, B. J., Z. H. Harah, A. M. Pauzi and S. Madhavan. 1999. Halodule species from
　　Malaysia: distribution and morphological variation. Aquatic Bot. 65(1-4): 33-45.

(二十九)、甘藻科 Zosteraceae
Tomlinson, P. B. and U. Posluzny. 2001. Generic limits in the seagrass family
　　Zosteraceae. Taxon 50: 429-437.