Much of her work consists of portraits, including of Mexican cultural figures such as José Luis Cuevas and Juan Rulfo.
[2] She published ten books of her photography, including Formas Silenciosas and Cien retratos por Daisy Ascher.
[3] Ascher's influences included Eugene Atget, Alfred Stieglitz, Henri Cartier-Bresson, and Manuel Alvarez Bravo[4] as well as Richard Avedon, Yousuf Karsh and Sam Haskins, all of them dedicated to portraits.
[5] Mexican historian Fernando Benítez (1912-2000) wrote of Ascher, "Daisy masks and unmasks.
Daisy armed with her magic eye, penetrates, bathes in light, covers with shadows, stands out and vanishes, and leaves us a gallery of amazing ghosts.