Grusonia parishii (Orcutt) Pinkava is a species of cactus known by the common names matted cholla and Parish club cholla. It is native to the Mojave and Sonoran Deserts of California and Arizona. Grusonia parishii grows in spreading mats along the sandy ground no more than about 20 centimeters tall. The segments are up to 9 centimeters long by 3 wide and is surfaced in fleshy tubercles bearing many spines each up to 5 centimeters in length. The flower is yellowish and the fruit is yellow and up to 8 centimeters long. Synonyms. Grusonia parishii (Orcutt) Pinkava, J. Arizona-Nevada Acad. Sci. 32: 50. 1999. Grusonia stanlyi (Engelm. ex B. D. Jacks. ) H. Rob. , Phytologia 26(3): 176. 1973. Opuntia parishii Orcutt, W. Amer. Sci. 10: 81. 1896. Corynopuntia parishii (Orcutt) F. M. Knuth, Kaktus-ABC 115. 1935. Corynopuntia stanlyi var. parishii (Orcutt) Backeberg, Die Cactaceae 1: 361. 1958. Opuntia stanlyi Engelm. ex B. D. Jackson, Notes of a Military Reconnaissance 157, f. 9. 1848. Opuntia stanlyi Engelmann var. parishii (Orcutt) L. D. Benson, Cacti of Arizona (ed. 2) 39. 1950.