I am a new member of this list and I am searching for tropical Isoetes and Marsilea species for my aquarium! Can anybody help? Gerfried -- Mag. Gerfried Deutsch Karl-Franzens-University Graz Institute of Botany Holteigasse 6 A-8010 GRAZ AUSTRIA phone: ++43 316 380 5662 fax: ++43 316 380 9883 e-mail: gerfried.deutsch at kfunigraz_ac.at home: http://www-ang.kfunigraz.ac.at/~deutschg/home.htm