> 12.5 percent seems high for a known fatal condition among photosynthetic species. I very rarely see that. Because it happened to two different species at the same time, I would suspect some unusual environmental condition. Maybe a unintentional chemical treatment or irradiation of some kind. Live in an industrial area or have a cell tower above your house? (mostly joking, lol) -- This email has been checked for viruses by Avast antivirus software. https://www.avast.com/antivirus/ _______________________________________________ pbs mailing list pbs@lists.pacificbulbsociety.net http://lists.pacificbulbsociety.net/cgi-bin/… Unsubscribe: <mailto:pbs-unsubscribe@lists.pacificbulbsociety.net>