Jane asked about viruses in Arisaema triphyllum. I don't know about viruses, but both Arisaema triphyllum and Podophyllum peltatum are frequently infected with rusts of the genus Puccinia. I don't remember any cases of these rusts jumping to cognate exotic species - yet. Jim McKenneyMontgomery County Maryland, USA, USDA zone 7, where × Amarcrinum is still blooming freely. _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/…