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BUTTerwICK & dANIeL: FLOrA OF SOUTHerN BLACK MTS., ArIzONA 315<br />
Rhamnaceae<br />
Ceanothus vestitus Greene (C. greggii A. gray) Native shrub; MdS. DB 5712, 5931.<br />
Rhamnus ilicifolia Kellogg (R. crocea Nutt. var. ilicifolia (Kellogg) greene) Native shrub;<br />
HdwS, MdS, PJw. B 8902; DB 4516.<br />
Ziziphus obtusifolia (Hook. ex Torr. & A. Gray) A. Gray var. canescens (A. Gray) M.C.<br />
Johnst. Native shrub; LdwS, MdS. DB 5633.<br />
Rosaceae<br />
Coleogyne ramosissima Torr. Native shrub; BBS, MdS, PJw. DB 5668, 5924; DBa 5103;<br />
DBP 5968. Fig. 6.<br />
Fallugia paradoxa (D. Don) Endl .ex Torr. Native shrub; HdwS. DBH 5706. Fig. 9.<br />
Ivesia arizonica (Eastw. ex J.T. Howell) Ertter var. arizonica (Purpusia arizonica eastw.<br />
ex J.T. Howell) Native perennial herb; HdwS. B 8908; DB 4514.<br />
This species occurs in isolated populations throughout its range in Arizona, California,<br />
Nevada, and Utah, and is considered to be of conservation concern because of its rarity (ertter and<br />
reveal 2014).<br />
Prunus fasciculata (Torr.) A. Gray var. fasciculata Native shrub; HdwS, MdS. B 8937;<br />
DB 5634; DBH 5718; DBP 5964.<br />
Purshia stansburyana (Torr.) Henrickson (P. mexicana (d. don) S.L. welsh var. stansburiana<br />
(Torr.) S.L. welsh) Native shrub; MdS, PJw. DB 5928, 6701.<br />
Rubiaceae<br />
Galium aparine L. Native winter ephemeral herb; HdwS. B 8912; DBH 5719.<br />
Galium microphyllum A. Gray (Relbunium microphyllum Hemsl.) Native perennial herb;<br />
HdwS. DB 4564; DBH 5699.<br />
Galium stellatum Kellogg (G. stellatum Kellogg var. eremicum Hilend & J.T. Howell)<br />
Native shrub; LdwS. DB 5596.<br />
Rutaceae<br />
Ptelea trifoliata L. Native shrub (small tree); PJw. DB 6699.<br />
Thamnosma montana Torr. & Frém. Native shrub; CBS, MdS. DB 4638. Fig. 9.<br />
Salicaceae<br />
Populus fremontii S. Watson subsp. fremontii Native tree; dOw. DB 4508, 6653.<br />
Salix bonplandiana Kunth Native tree; dOw. B 6816.<br />
Salix exigua Nutt.var. exigua Native tree (shrub); dOw, SSM. B 8965; DB 4509, 4526; DBH<br />
5692.<br />
Salix gooddingii C.R. Ball Native tree; dOw. DB 6456, 6457; DBH 5765.<br />
Saururaceae<br />
Anemopsis californica (Nutt.) Hook. & Arn. Native perennial herb.<br />
The inclusion of this species is based on an observation by the authors on 26 March 1989 of<br />
numerous plants growing in an impoundment at Fig Spring, on the eastern side of the range.<br />
Solanaceae<br />
Datura wrightii Regel Native perennial herb (shrub); LdwS. DB 4503, 6389; Hovezak s.n.<br />
(MNA).<br />
Lycium andersonii A. Gray Native shrub; HdwS, MdS. DB 5626, 5657; DBa 5090.<br />
Lycium cooperi A. Gray Native shrub; HdwS. DB 5971; DBP 5969.
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