Presumably members of the Hegg family (daughters of Franz Hegg), Norway. The Hegg family were partners of the Ecke Ranch in Europe for plant licensing.
Group photograph of Lizbeth Ecke, Paul Ecke III, Chairman Ha, Paul Ecke, Jr., Chairman Ha's wife, Sue Kint, Elisabeth "Jinx" Ecke at an unidentified event
From left to right: Paul Ecke Sr., Magdalena Ecke, Mildred Macphearson (Magdalena Ecke's best friend), Gertrude Fohl and her daughter Louise Fohl (long time family friends).
From left to right: Joel Goldsmith, Goldsmith Seeds, Joseph Fischer, Fischer Geraniums, Paul Ecke III, Tom Doak, Yoder Brothers, and Richard Goldsmith, Goldsmith Seeds. The Flower Fields Alliance included four independent flower breeders.