Announces that the International Waterlilly and Water Garden Society (IWGS) approved Nymphaea and Nelumbo collections around the world. Collection regulations; Reference materials include the monograph "Identification of Hardy Nymphaea, Encyclopedia of the Waterlily," by Charles O. Masters and "Water Gardening, Water Lilies & Lotus," by Perry D. Slocum and Peter Robinson; List of IWGS certified collections.