Dear Mike; I always thought there were just 2 species -calamus and gramineus. Is this just a synonym? a form? a geographic variety or truely distinct? Tell us more. Jim W. James W. Waddick Voice: 816 746 1949 8871 NW Brostrom Rd E-MAIL: jim-jim@swbell.net Kansas City MO 64152 Fax: 816 746 1939 Zone 5/6 - Winter low -10=B0F Summer high +100=B0F