RHAMNACEAE (Buckthorn family)

Berchemia scandens (Hill) K.Koch Alabama supplejack [US; Louisiana; Calcasieu Parish; T9S, R9W, S11; 20 feet][northeast corner of Sam Houston Jones State Park; August 30, 1993; Collected & identified by Chuck Walker; #LA01]

Berchemia scandens (Hill) K.Koch Alabama supplejack [US; Arkansas; Drew County; Collins; T14S, R5W, S26; 33 deg. 27.23'N, 91 deg. 35.23'W; 170 feet][along west side of Collins-Snyder Rd., 0.6 miles south of Upper Weir Rd., (road leads to Camping Area 1, Cut-Off Creek Wildlife Management Area); May 28, 2006; Collected by Chuck Walker; Identified by Chuck Walker and Dr. Nathan Schiff; #AR34]

Ceanothus americanus L. New Jersey tea [US; Louisiana; Beauregard Parish; Bancroft; T6S, R11W, S20; 30 feet][cleared field on east side of Highway #389, three miles north of Bancroft; April 28, 1994; Collected & identified by Chuck Walker; #LA71]

Ceanothus cuneatus (Hook.) Nutt. var. cuneatus buckbrush [US; California; Shasta County; T36N, R5E, S29; 40 deg. 56.09'N, 121 deg. 25.37'W; 3,640 feet][in association with Juniperus occidentalis, Artemesia spp., Calystegia occidentalis, small hill, two miles northwest of St John Ranch, east of Hogback Ridge; June 27, 2005; Collected by Lisa Anderson & Chuck Walker; Identified by Mike Dolan; #CA262]

Ceanothus fendleri Gray Fendler�s ceanothus [US; Arizona; Yavapai County; Prescott; T13N, R2W, S9; 5,450 feet][along Highway #89 (White Spar Rd.), south of Prescott; June 28, 1993; Collected & identified by Chuck Walker; #AZ126]

Ceanothus greggii Gray var. perplexans (Trel.) Jepson desert ceanothus [US; Arizona; Yavapai County; Mayer; T12N, R1E, S26; 4,340 feet][along the roadside in Mayer; April 4, 1993; Collected & identified by Chuck Walker; #AZ55]

Ceanothus integerrimus Hook. & Arn. deerbrush [US; California; Lassen County; T38N, R6E, S16; 41 deg. 10.175'N, 121 deg. 17.945'W; 5,350 feet][east side of 4 WD road, about two miles southeast of Widow Mountain; September 9, 2004; Collected & identified by Chuck Walker; #CA129]

Ceanothus parvifolius (S. Wats.) Trel. littleleaf ceanothus [US; California; Shasta County; T32N, R6W, S9; 40 deg. 38.847'N, 122 deg. 33.476'W; 1,480 feet][Foothill community, Whiskey Creek Boat Launch-picnic grounds, on the north side of Highway #299, about five miles northwest of Shasta; April 12, 2005; Collected & identified by Chuck Walker; #CA158]

Ceanothus prostratus Benth. prostrate ceanothus [US; California; Shasta County; T35N, R4E, S29; 40 deg. 52.160'N, 121 deg. 33.199'W; 3,240 feet][ponderosa pine-western juniper community; on east side of dirt road, south side of Highway #89, about a half mile southeast of Doyles Corner; April 11, 2005; Collected & identified by Chuck Walker; #CA152]

Ceanothus velutinus Dougl. ex Hook. var. velutinus snowbrush ceanothus; tobacco-brush [US; California; Lassen County; T37N, R15E, S19; 41 deg. 03.583'N, 120 deg. 19.450�W; 6,000 feet][in association with Populus tremuloides on hillside, Tule Mountain Allotment; August 18, 2004; Collected by Matt Minarchek & Chuck Walker; Identified by Chuck Walker; #CA103]

Missing from collection Ceanothus velutinus Dougl. ex Hook. var. velutinus snowbrush ceanothus; tobacco-brush [US; California; Lassen County; T38N, R6E, S5; 41 deg. 9.507'N, 121 deg. 17.813'W; 6,320 feet][top of Widow Mountain; August 25, 2004; Collected by Matt Minarchek & Chuck Walker; Identified by Chuck Walker; #CA]

Frangula californica (Eschsch.) Gray ssp. ursina (Greene) Kartesz & Gandhi California buckthorn [US; Arizona; Yavapai County; T16N, R6W, S22; 5,320 feet][creekbed in Cottonwood Canyon, off Camp Wood Rd., six miles from Williamson Valley Rd., 22 miles from Prescott; September 17, 1995; Collected by Chuck Walker; Identified by Dr. Archie Dickey; #AZ227]

Frangula caroliniana (Walt.) Gray Carolina buckthorn [US; Louisiana; Calcasieu Parish; Moss Bluff; T8S, R8W, S34; 25 feet][vacant lot north of 705 White Rd; November 8, 1993; Collected by Chuck Walker; Identified by Dr. Robert Rumsey; #LA38]

Frangula caroliniana (Walt.) Gray Carolina buckthorn [US; Arkansas; Nevada County; T13S, R19W, S1; 33 deg. 38.404'N, 93 deg. 0.306'W; 280 feet] [along Nature trail, Poison Springs State Park, Poison Springs State Forest; September 4, 2006; Collected by Chuck Walker; Identified by Chuck Walker & Danny Skojac; #AR58]

Frangula caroliniana (Walt.) Gray Carolina buckthorn [US; Illinois; Monroe County; Fults; T4S, R10W, S27; 38 deg. 9.353'N, 90 deg. 11.375'W; 400 feet][along road at trailhead, dry-mesic upland forest, Fults Hill Prairie Nature Preserve; July 22, 2002; Collected by Chuck Walker; Identified by Dr. Mark A. Basinger; #IL393]

Rhamnus crocea Nutt. redberry buckthorn [US; Arizona; Yavapai County; Prescott; T14N, R2W, S24; 5,180 feet][steep embankment at roadside stop along Highway #89, on the west side of Watson Lake; May 28, 1995; Collected & identified by Chuck Walker; #AZ149]