Born in Mexico in 1957, she studied Visual Arts at the Old Academy of San Carlos (UNAM). She was especially interested in her teacher Kati Horna’s work throughout her course; Horna's personality, together with the magical and expressive dimension of her photography, had a strong impact on the development of Flor's work. She perfected her photographic skills through a couple of different focuses: by delving into printing processes like palladium platinum and by printing her photographic portfolios in silver on gelatin, and by working as an assistant in Manuel Álvarez Bravo's camera obscura.