Description: English: Location taken: United States Botanic Garden. Names: Astrophytum asterias (Zucc.) Lem., Astrofyt ježovkový, Biznaga algononcillo de estrella, Biznaga-algononcillo de estrella, cactus oursin, Sand Dollar Cactus, sanddollar, Sea Urchin Cactus, Sea-Urchin Cactus, seaurchin starcactus, Seeigelkaktus, Silver Dollar Cactus, Sjöstjärnekaktus, star cactus, Star-Peyote, Star-Peyote Cactus, Texas Star Cactus, Tikrasis žvaigždinas, Астрофитум звёздчатый, 星葉 Classification: Plantae > Magnoliophyta > Magnoliopsida > Caryophyllales > Cactaceae > Notocacteae > Astrophytum > Astrophytum asterias. Date: 7 November 2005. Source: source: David Stang. First published at ZipcodeZoo.com. Author: Photo by David J. Stang.