Joan Snyder: Lines and Strokes, oil, acrylic, spray enamel on canvas, 1.02×1.32 m, 1969 (collection of the artist); photo courtesy of the artist and Betty Cuningham Gallery

Joan Snyder: Journey of the Souls, oil, acrylic, straw, velvet, wooden dowels, print on silk, rice paper on linen, 1.52×3.05 m, 1993 (private collection); photo courtesy of the artist and Betty Cuningham Gallery

Joan Snyder: Ah, Sunflower, oil, acrylic, papier-mâché, cheesecloth, and herbs on canvas, 1880×2820 mm (with a 100mm shelf), 1994–5 (private collection); photo courtesy of the artist and Betty Cuningham Gallery

Joan Snyder: Perpetuo, acrylic, papier-mâché, buds and seeds on linen, 1.07×2.13 m, 2004 (private collection); photo courtesy of the artist and Betty Cuningham Gallery

Joan Snyder: Oratorio, oil, acrylic, plastic grapes, feathers, fabric, nails, mud, herbs, papier-mâché, graphite, and paper on canvas, 1.83×2.9 m, 1997 (private collection); photo courtesy of the artist and Betty Cuningham Gallery