Among the numerous permanent collections with woodcuts by Hnizdovsky are: The Addison Gallery of American Art, Andover, MA; Burnaby Art Gallery, British Columbia; Butler Institute of American Art, Youngstown, OH; Chrysler Museum at Norfolk, VA; Cleveland Museum of Fine Arts; Davison Art Center, Wesleyan University; Duke University Museum of Art, Durham, NC; Dulin Gallery of Art, Knoxville, TN; Hunt Institute for Botanical Documentation, Pittsburgh; Henry Art Gallery, University of Washington, Seattle; Lauren Rogers Museum of Art, Laurel, MS; Louisiana Arts and Science Center, Baton Rouge; Louisiana State Museum, New Orleans; Minneapolis Institute of Arts; Mississippi Museum of Art, Jackson; Museum of Fine Arts, Boston; National Museum of American Art, Washington, DC; New Orleans Museum of Art; New York Public Library; Philadelphia Museum of Art; Tweed Museum of Art, University of Minnesota; The U.S. Information Agency, Washington, DC; Library of Congress and White House, Washington, DC; University of Delaware; Virginia Museum of Fine Arts, Richmond; Winnipeg Art Gallery and Yale University.
Jacques Hnizdovsky died on November 8, 1985 in New York.