Another bulbocodium hybrid. by Harold Koopowitz, California • December 31, 2018 • 5 CommentsClick the photo to see a larger view Lawrence Trevanian made ‘Gold Step’ a cross of ‘Alfriston, 2Y-R, by N. bulbocodium. This cross is fertile. I think Lawrence once told be that he had doubled the number of chromosomes to restore fertility. I made the first hybrids with… Read more →