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BUTTerwICK & dANIeL: FLOrA OF SOUTHerN BLACK MTS., ArIzONA 305<br />
Astragalus newberryi A. Gray var. blyae (Rydb.) Barneby Native perennial herb; MdS,<br />
PJw. DB 5671, 6012, 6706; Pinkava et al. 10268 (ASU).<br />
These collections (from -114.348005° to -114.387081° long.) represent the westernmost geographic<br />
extent of the variety.<br />
Astragalus nuttallianus DC. var. imperfectus (Rydb.) Barneby Native winter ephemeral<br />
herb; CBS, HdwS, MdS. B 8978; DB 4654, 4668; DBa 5095.<br />
Astragalus tephrodes Gray var. chloridae (M.E. Jones) Barneby Native perennial herb;<br />
HdwS. DB 4567.<br />
Dalea mollis Benth. Native winter ephemeral herb; CBS, LdwS. DB 4658, 4687, 4714,<br />
6038.<br />
Lupinus brevicaulis S. Watson Native winter ephemeral herb; MdS. B 9359.<br />
Lupinus concinnus J. Agardh Native winter ephemeral herb; CBS, HdwS, MdS. DB 4594,<br />
6394, 6683; DBH 5727.<br />
Lupinus sparsiflorus Benth. Native winter ephemeral herb; HdwS, LdwS. B 8975; DBa<br />
5123.<br />
Marina parryi (Torr. & A. Gray) Barneby Native perennial herb; CBS, LdwS, MdS.<br />
B 6813, 9344; DB 6385, 6429; DBa 5105.<br />
Medicago sativa L. Introduced perennial herb; MdS. Parfitt 2197 (ASU).<br />
Melilotus indicus (L.) All. Introduced winter ephemeral herb; dOw, LdwS. B 9361; DB<br />
5918, 6442.<br />
Parkinsonia florida (Benth. ex A. Gray) S. Watson (Cercidium floridum Benth.) Native<br />
tree; dOw, HdwS, LdwS. B 8991.<br />
Both species of Parkinsonia are at or very near the northern extent of their respective native<br />
distributions in the southern Black Mountains. Parkinsonia florida reaches its northern extent in<br />
Arizona in the southern Black Mountains (35.111714° lat., based on the collection noted above),<br />
but the species appears to occur slightly farther north in San Bernardino County, California (ca.<br />
35.14333° lat., based on Harris 2372 at UVSC, not seen; Consortium of California Herbaria 2016;<br />
SeINet 2016).<br />
Parkinsonia microphylla Torr. (Cercidium microphyllum (Torr.) rose & I.M. Johnst.)<br />
Native tree; CBS, LdwS. DB 6036.<br />
This collection from the southeastern portion of our flora area (34.926794° lat.), represents the<br />
northernmost known occurrence of this species (Consortium of California Herbaria 2016; SeINet<br />
2016).<br />
Prosopis glandulosa Torr. var. torreyana (L.D. Benson) M.C. Johnst. Native tree; dOw,<br />
HdwS, LdwS. B 8977; DB 6453; DBH 5753.<br />
Prosopis pubescens Benth. Native tree; dOw, LdwS. DB 4531, 6311.<br />
Psorothamnus fremontii (Torr.) Benth. var. attenuatus Barneby Native shrub; CBS,<br />
LdwS. B 9345, DB 6435. Fig. 6.<br />
Psorothamnus spinosus (A. Gray) Barneby Native tree; LdwS. DB 6016.<br />
This collection (at 35.082278° lat.), and one collected in the same region (Rinks.n. at ASC),<br />
represent the northernmost known occurrences of the species in Arizona (SeINet 2016). These collections<br />
are also very near the northernmost native geographical extent of the species, which<br />
appears to be in San Bernardino County, California at 35.118363° lat. (based on Gross et al. 1203<br />
at UCr, not seen; Consortium of California Herbaria 2016).<br />
Senegalia greggii (A. Gray) Britton & Rose Native shrub; HdwS, LdwS. DB 4520.<br />
Senna covesii (A. Gray) H.S. Irwin & Barneby Native perennial herb; CBS, HdwS, MdS.<br />
DB 4587; Eastwood s.n. (ArIz).