Hrusa et al., Madrono 49(2)61-98. 2002: DIST: ScV: Hrusa et al. Current Status: Naturalized in wildlands: DOC: Glenn Co.: Sacramento River at Butte City boat launch site, small tree on silty river bank. Oct. 22, 1998, Ertter 16448 (UC); Bank btwn. levee and W side of Butte Creek approx. 1/2 mi. NE of confluence with Howard Slough, and immed. below McPherrin Dam (private and scheduled for removal). Two multi-trunked trees, &plus_minus; 12 meters tall, both apparently sterile, possibly persisting from old plantings. 39°27'N; 121°53'W. Sept. 6, 1996. G.F. Hrusa 13571 (CDA); Sacramento Co.: Sacramento River in Sacramento near the end of 10th St., el. 85 ft. Apr. 28, 1997, D. Kelch DGK97.012 (UC); Betw. N side American River and William Pond, American River Parkway at Arden Way entrance. 38°33'N; 121°22'W. June 28, 1998, B. Meyers-Rice MR980601 (CDA, DAV); N bank American River, American River Parkway, few hundred meters downriver of the Estates Dr. entrance. June 28, 1998, B. Meyers-Rice MR980602 (DAV); American River Recreation Trail, E of Union Pacific trestle. T07N, R05E, Sec. 31, MD. April 13, 1984, G.D. Barbe 4142 (CDA, DAV).