Detailed Area Plant List for Lobo Point and North Wild Horse Mesa, San Bernardino County, United States.

Edited by Tom Schweich

This list is assembled from personal collections, herbarium vouchers, and published lists.In particular, much of the data is provided by the participants of the Consortium of California Herbaria (http://ucjeps.berkeley.edu/consortium/).

For a complete list of Locations included in this Area List, see the Locations Included section, below.

For a summary of distribution information, with photographs and online queries, please see: Area List for Lobo Point and North Wild Horse Mesa, San Bernardino County, United States.

For a check list, please see: Check List for Lobo Point and North Wild Horse Mesa, San Bernardino County, United States.

CalPhotos

Cupressaceae

Juniperus osteosperma (Torrey) Little.  Utah Juniper.
Lobo Point, Lobo Point Camp. Tom Schweich 114. 4/30/1997 ( UC(TAS) Zzyzx ) . . CalPhotos

Ephedraceae

Ephedra nevadensis S. Watson.  Nevada Ephedra.
Lobo Point, Common at Lobo Point Tom Schweich 9/26/1999 Near Lobo Point, on rocks, faulted rhyolite, with Euphorbia, Rhus trilobata, Eriogonum fasciculatum, Salvia mohavensis, and Ferocactus cylindraceus. Tom Schweich 88. 4/28/1997 ( Alameda, Ready to Mount ) Collection from both male and female plants, great clouds of pollen are produced by the male plants when tapped. Along the road out of the Lobo Point camp site, between the opal beds and the andesite outcrop. Tom Schweich 226. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Ephedra viridis Cov.  Green Ephedra.
Lobo Point, In woodland under Pinus monophylla. Common. Tom Schweich 33. 4/29/1996 ( UC(TAS) Zzyzx ) . . CalPhotos

Pinaceae

Pinus monophylla Torrey & Fremont.  Single Leaf Pinyon Pine.
Lobo Point, Lobo Point Camp. Tom Schweich 113. 4/30/1997 ( UC(TAS) Zzyzx ) . . CalPhotos

Amaranthaceae

Amaranthus .  Pigweed.
Lobo Point, Tom Schweich 141. 10/3/1997 ( UC(TAS) Unmounted ) . . CalPhotos

Atriplex canescens (Pursh.) Nutt. ssp. canescens.  Four-wing Saltbush.
Lobo Point, . . CalPhotos

Anacardiaceae

Rhus trilobata Torrey & A. Gray.  Squawbush.
Lobo Point, In woodland with Pinus monophylla. Common. Tom Schweich 36. 4/29/1996 ( UC(TAS) Zzyzx ) . . CalPhotos

Asclepiadaceae

Asclepias erosa Torrey.  Desert Milkweed.
Lobo Point, Rare, on alluvial soil. Tom Schweich 23. 5/27/1993 ( Zzyzx ) . . CalPhotos

Asteraceae

Ambrosia eriocentra (A. Gray) Payne.  Wooly Bur-Sage.
Lobo Point, In granite sand washes. On valley floor, 2 km WNW of Hole-in-the-Wall. Tom Schweich 178. 5/29/1999 ( UC(TAS) ) In washes with Prunus fasciculata. Common. Tom Schweich 30. 4/29/1996 ( UC(TAS), Not Found ) In granite sand washes. On valley floor, 2 km WNW of Hole-in-the-Wall. Tom Schweich 178. 5/29/1999 ( Zzyzx ) In washes with Prunus fasciculata. Common. Tom Schweich 30. 4/29/1996 ( Zzyzx ) . . CalPhotos

Artemisia ludoviciana Nutt.  Silver Wormwood.
Lobo Point, 3 km west-northwest of Hole-in-the-Wall. Tom Schweich 159. 9/20/1998 ( UC(TAS) Zzyzx ) In woodland with Pinus monophylla and Rhus trilobata. Uncommon. Tom Schweich 31. 4/29/1996 ( Zzyzx ) . . CalPhotos

Baccharis sergiloides A. Gray.  Squaw Waterweed.
Lobo Point, In wash near Lobo Point. Uncommon. Tom Schweich 32. 4/29/1996 ( UC(TAS) ) . Wild Horse Mesa, NWHM, at water tank. Tom Schweich 103. 4/29/1997 ( UC(TAS) ) . Lobo Point, In wash near Lobo Point. Uncommon. Tom Schweich 32. 4/29/1996 ( UC(TAS) Zzyzx ) . Wild Horse Mesa, NWHM, at water tank. Tom Schweich 103. 4/29/1997 ( Zzyzx ) . . CalPhotos

Baileya .  Desert Marigold.
Wild Horse Mesa, Tom Schweich 291. 5/26/2001 ( UC(TAS) ) . . CalPhotos

Brickellia californica (Torrey & A. Gray) A. Gray.  California Brickelbush.
Lobo Point, 3 km west northwest of Hole-in-the-Wall. Tom Schweich 148. 10/3/1997 ( UC(TAS) ) Shaded areas alongside washes. Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 121. 4/30/1997 ( Zzyzx ) Alongside washes. 3 km west-northwest of Hole-in-the-Wall. Tom Schweich 161. 9/20/1998 ( Zzyzx ) 3 km west northwest of Hole-in-the-Wall. Tom Schweich 148. 10/3/1997 ( Zzyzx ) . . CalPhotos

Chrysothamnus .  Rabbitbrush.
Lobo Point, . . CalPhotos

Chrysothamnus depressus Nutt.  Longflower Rabbitbrush.
Wild Horse Mesa, North-facing limestone slopes. See also collection number 221. Tom Schweich 265. 9/1/200 ( Alameda, More Processing ) With Juniperus osteosperma, Pinus monophylla, Coleogyne ramosissima, and Eriogonum fasciculatum. Occasional in experimental plots of Swertia albomarginata, no flowers when collected. See also collection number 265. Tom Schweich 221. 4/27/2000 ( Alameda, Ready to Mount ) . . CalPhotos

Ericameria .  Goldenbush.
Lobo Point, turpentine smell, yellow perennial composite. North slope of Wild Horse Mesa. Tom Schweich 92. 4/29/1997 ( Alameda, More Processing ) Tom Schweich 144. 10/3/1997 ( UC(TAS) Unmounted ) . . CalPhotos

Ericameria cooperi (A. Gray) H. M. Hall.  Cooper's Goldenbush.
Lobo Point, . . CalPhotos

Ericameria cuneata (A. Gray) McClatchie.  Wedgeleaf Goldenbush.
Lobo Point, In rocks. Common. Tom Schweich 40. 4/29/1996 ( UC(TAS) Zzyzx ) . . CalPhotos

Ericameria linearifolia (DC.) Urb. & J. Wussow.  Narrowleaf Goldenbush.
Lobo Point, In scrub and woodland. Common. Tom Schweich 39. 4/29/1996 ( Zzyzx ) . . CalPhotos

Eriophyllum wallacei (A. Gray) A. Gray.  Woolly Wasterbonnets.
Lobo Point, Common in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 118. 4/30/1997 ( Alameda, More Processing ) Tom Schweich 278. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Gutierrezia microcephala (DC.) A. Gray.  Threadleaf Snakeweed.
Lobo Point, Tom Schweich 143. 10/3/1997 ( UC(TAS) ) Tom Schweich 157. 9/20/1998 ( UC(TAS) Unmounted ) . . CalPhotos

Hymenoclea salsola A. Gray.  Cheese Bush.
Lobo Point, . . CalPhotos

Senecio L.  Ragwort.
Lobo Point, Valley floor near Lobo Point, 2 km WNW from Hole-in-the-Wall. Tom Schweich 175. 5/29/1999 ( UC(TAS) ) Tom Schweich 145. 10/3/1997 ( UC(TAS) Unmounted ) . . CalPhotos

Stylocline .  Nest Straw.
Lobo Point, Experimental plots in Salvia dorrii. Tom Schweich 314. 5/26/2003 ( Alameda ) . . CalPhotos

Syntrichopappus fremontii A. Gray.  Yellow-Ray Fremont's-Gold.
Wild Horse Mesa, Sandy bench in post-fire Joshua Tree woodland, with Yucca brevifolia, Verbena gooddinggii, Pectocarya platycarpa, Eriophyllum wallacei. Eastern Mojave Desert Mid Hills: just west of Wildhorse Canyon Rd. and c. 3 mi NW of Hole-In-The-Wall Jim Andre and Tasha La Doux 7377. 4/20/2006 ( UCR175264 ) . . CalPhotos

Tetradymia stenolepis E. Greene.  Mojave Cottonthorn.
Lobo Point, In scrub with Juniperus osteosperma and Coleogyne ramosissima. Uncommon. Tom Schweich 34. 4/29/1996 ( UC(TAS) ) . . CalPhotos

Undetermined .  Asteraceae Family.
Lobo Point, Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 122. 4/30/1997 ( Alameda, More Processing ) . Wild Horse Mesa, White. North slope of Wild Horse Mesa. Tom Schweich 95. 4/29/1997 ( Alameda, More Processing ) Wooly composite. North slope of Wild Horse Mesa. Tom Schweich 93. 4/29/1997 ( Alameda, More Processing ) NWHM, at water tank. Yellow, annual. Tom Schweich 104. 4/29/1997 ( Alameda, More Processing ) East facing slope on Precambrian gneiss and schist with Pinus monophylla, Juniperus osteosperma, and Coleogyne ramosissima. Tom Schweich 274. 4/24/2001 ( UC(TAS) ) . Lobo Point, Common, many heads had no ray flowers. In the watercourse on the south side of the landslide on the east side of Lobo Point. Tom Schweich 246. 6/5/2000 ( UC(TAS) ) . Wild Horse Mesa, Tom Schweich 289. 5/26/2001 ( UC(TAS) ) . . CalPhotos

Boraginaceae

Amsinckia .  Fiddleneck.
Wild Horse Mesa, East facing slope on Precambrian gneiss and schist with Pinus monophylla, Juniperus osteosperma, and Coleogyne ramosissima. Tom Schweich 271. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Cryptantha .  Cryptantha.
Lobo Point, Experimental plots in Salvia dorrii. Tom Schweich 313. 5/26/2003 ( Alameda ) . Wild Horse Mesa, With Swertia albomarginata, Juniperus osteosperma, Pinus monophylla, Coleogyne ramosissima, and Eriogonum fasciculatum. In open areas on limestone. Tom Schweich 222. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Emmenanthe penduiflora Benth.  Whispering Pells.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre and T. La Doux 7425. 5/1/2006 ( UCR175392 ) . . CalPhotos

Phacelia .  Phacelia.
Lobo Point, Experimental plots in Salvia dorrii. Tom Schweich 312. 5/26/2003 ( Alameda ) . . CalPhotos

Phacelia .  Phacelia.
Lobo Point, In cracks of welded tuff. 2.25 mi (3.5 km) northwest of Hole in the Wall. Tom Schweich 458. 5/28/2005 ( Alameda ) . . CalPhotos

Phacelia .  Phacelia.
Wild Horse Mesa, Tom Schweich 315. 5/26/2003 ( Alameda ) . . CalPhotos

Phacelia .  Phacelia.
Wild Horse Mesa, Purple. North slope of Wild Horse Mesa. Tom Schweich 96. 4/29/1997 ( Alameda, More Processing ) . . CalPhotos

Phacelia pedicellata A. Gray.  Specter Phacelia.
Lobo Point, East facing slope among rock outcrops high on Lobo Point. 3 km northwest of Hole-in-the-Wall. Tom Schweich 280. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Plagiobothris .  Popcorn Flower.
Wild Horse Mesa, East facing slope on Precambrian gneiss and schist with Pinus monophylla, Juniperus osteosperma, and Coleogyne ramosissima. Tom Schweich 275. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Plagiobothrys arizonicus (A. Gray) A. Gray.  Arizona Popcornflower.
Lobo Point, Tom Schweich 277. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Brassicaceae (Cruciferae)

Arabis perennans S. Watson.  Perennial Rockcress.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre 7438. 5/1/2006 ( UCR175400 ) . . CalPhotos

Stanleya pinnata (Pursh) Britton var. pinnata.  Prince's Plume.
Wild Horse Mesa, North slope of the Mesa, colony under Pinyon Pine, beside old roads. 278 km northeast of Los Angeles, California. Tom Schweich 250. 6/5/2000 ( UC(TAS) Zzyzx ) . . CalPhotos

Undetermined .  Brassicaceae Family.
Lobo Point, Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 124. 4/30/1997 ( Alameda, More Processing ) . Wild Horse Mesa, On Winkler Formation below Swertia albomarginata experimental plot. Tom Schweich 270. ( UC(TAS) ) . . CalPhotos

Cactaceae

Echinocereus engelmannii (Engelm.) Lemaire.  Engelmann's Hedgehog Cactus.
Lobo Point, . . CalPhotos

Echinocereus triglochidiatus Engelm.  Three-Spine Hedgehog Cactus.
Wild Horse Mesa, . . CalPhotos

Escobaria vivipara.  Beehive Cactus.
Lobo Point, . . CalPhotos

Opuntia acanthocarpa Engelm. & J. Bigelow var. coloradensis L. Benson.  Buckhorn Cholla.
Lobo Point, . . CalPhotos

Opuntia basilaris Engelm. & J. Bigelow.  Beavertail Cactus.
Lobo Point, . . CalPhotos

Caprifoliaceae

Symphoricarpos longiflorus A. Gray.  Fragrant Snowberry.
Lobo Point, Along wash in shaded area, 2 km WNW of Hole-in-the-Wall. Tom Schweich 179. 5/29/1999 ( Alameda, Ready to Mount ) 3 km northwest of Hole-in-the-Wall. Found in one location, alongside wash,growing up the rocky slope, shaded by Pinyon Pines. Tom Schweich 286. 5/25/2001 ( UC(TAS) ) In shade beside wash with Pinus monophylla and Rhus trilobata. Uncommon. Tom Schweich 35. 4/29/1996 ( Zzyzx ) 3 km northwest of Hole-in-the-Wall. Found in one location, alongside wash,growing up the rocky slope, shaded by Pinyon Pines. Tom Schweich 286. 5/25/2001 ( Zzyzx ) . . CalPhotos

Caryophyllaceae

Arenaria macradenia S. Watson var. mcaradenia.  (=Eremogone macradenia (S. Watson) Ikonn. var. macradenia ) Desert Sandwort.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre and T. La Doux 7441. 5/1/2006 ( UCR175398 ) . . CalPhotos

Eremogone macradenia (S. Watson) Ikonn. var. macradenia.  (Syn: Arenaria macradenia S. Watson var. mcaradenia ) Desert Sandwort.
Wild Horse Mesa, Open places on lacustrine limestone. North slope of Wild Horse Mesa, 5 km WNW of Hole-in-the-Wall. Tom Schweich 189. 5/29/1999 ( UC(TAS) ) . . CalPhotos

Euphorbiaceae

Chamaesyce .  Sand Mat.
Wild Horse Mesa, In the old road. Tom Schweich 220. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Euphorbia .  Spurge.
Lobo Point, Near Lobo Point, on rocks, faulted rhyolite with Salvia mohavensis, Rhus trilobata, Eriogonum fasciculatum, and Ferocactus cylindracus. Tom Schweich 84. 4/28/1997 ( Alameda, More Processing ) . . CalPhotos

Fabaceae (Leguminosae)

Acacia greggii A. Gray.  Catclaw.
Lobo Point, This small shrub on the exposed eastern slope was the only one seen in bloom. On landslide east side of Lobo Point. Tom Schweich 244. 6/5/2000 ( UC(TAS) Zzyzx ) . . CalPhotos

Astragalus .  Milkvetch.
Wild Horse Mesa, Seed pods only, no flowers, near where Astragalus sp. was collected in April, 2000. North slope of the Mesa, on old roads. Tom Schweich 248. 6/5/2000 ( UC(TAS) ) On the old road with Dalea searlesiae, just starting to bloom. Tom Schweich 219. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Dalea searlsiae (A. Gray) Barneby.  Searls' Prairie Clover.
Wild Horse Mesa, Growing in center of old roads, not in blackbrush on either side of road. Looks more dried out than finished blooming. North slope of the Mesa, on old roads. Tom Schweich 249. 6/5/2000 ( UC(TAS) Zzyzx ) Rare, in wash, at the water tank north of Wild Horse Mesa. Tom Schweich 24. 5/27/1993 ( Zzyzx ) . . CalPhotos

Lotus .  Trefoil.
Lobo Point, On outcrops of pyroclastic mudflow, growing from fractures in rock. Tom Schweich 225. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Fagaceae

Quercus chrysolepis Liebm.  Canyon Live Oak.
Wild Horse Mesa, With Amelanchier utahensis, Garrya flavescens, Juniperus osteosperma, Pinus monophylla, and Rhamnus ilicifolia. Rare. North slope of Wild Horse Mesa. Tom Schweich 16. 5/25/1993 ( UC(TAS) ) In sheltered valley on north slope of Wild Horse Mesa. Rare. Tom Schweich 42. 4/30/1996 ( Zzyzx ) . . CalPhotos

Garryaceae

Garrya flavescens S. Watson.  Ashy Silk-Tassel.
Wild Horse Mesa, Uncommon. North slope. Tom Schweich 45. 4/30/1996 ( UC(TAS) ) With Amelanchier utahensis, Pinus monophylla, and Juniperus osteosperma. Tom Schweich 101. 4/29/1997 ( Zzyzx ) Uncommon. North slope. Tom Schweich 45. 4/30/1996 ( Zzyzx ) . . CalPhotos

Gentianaceae

Swertia albomarginata (S. Watson) Kuntze.  (Syn: Frasera albomarginata S. Watson ) Desert Elkweed.
Wild Horse Mesa, White calcareus (clay) gravels in post-fire pinyon woodland, with Pinus monophylla, Hymenopappus filifolius, Cryptantha tumulosa, C. gracilis, Swertia albomarginatus. Eastern Mojave Desert Mid Hills: N end of Wildhorse Mesa, c. 5 mi NW of Hole-In-The-Wall Jim Andre and R. Kelley 7480. 5/11/2006 ( UCR175690 ) In Pinyon-Juniper forest on lacustrine limestone informally known as Winkler Formation 6 km west of Hole-in-the-Wall Tom Schweich 288. 5/26/2001 ( Zzyzx ) . . CalPhotos

Swertia albomarginata (S. Watson) Kuntze ssp. albomarginata.  Desert Elkweed.
Wild Horse Mesa, In open areas on broken limestones with little to no soil development. North slope of Wild Horse Mesa, 5 km WNW of Hole-in-the-Wall. Tom Schweich 183. 5/29/1999 ( UC(TAS) ) Carbonate-based soils, north slope of Wild Horse Mesa. Uncommon. Tom Schweich 43. 4/30/1996 ( Zzyzx ) North slope, on Winkler Fm., Tertiary lacustrine limestone. Tom Schweich 25. 5/27/1993 ( Zzyzx ) In open areas on broken limestones with little to no soil development. North slope of Wild Horse Mesa, 5 km WNW of Hole-in-the-Wall. Tom Schweich 183. 5/29/1999 ( Zzyzx ) . . CalPhotos

Krameriaceae

Krameria erecta Schultes.  Pima Rhatany.
Lobo Point, Occasional Tom Schweich 9/26/1999 In rocks 100 m west of and above valley floor. Tom Schweich 177. 5/29/1999 ( UC(TAS) ) Common, all in seed, no flowers. On the landslide, near the bottom. Tom Schweich 247. 6/5/2000 ( UC(TAS) ) With Coleogyne ramosissima and Juniperus osteosperma. Rare. Tom Schweich 18. 5/26/1993 ( Zzyzx ) Common, all in seed, no flowers. On the landslide, near the bottom. Tom Schweich 247. 6/5/2000 ( Zzyzx ) In rocks 100 m west of and above valley floor. Tom Schweich 177. 5/29/1999 ( Zzyzx ) . . CalPhotos

Lamiaceae (Labiatae)

Salazaria mexicana Torrey.  Mexican Bladder Sage.
Lobo Point, . Wild Horse Mesa, . . CalPhotos

Salvia columbariae Benth.  Chia.
Lobo Point, Common in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 119. 4/30/1997 ( Zzyzx ) . . CalPhotos

Salvia dorrii (Kellogg) Abrams ssp. pilosa (A. Gray) J. L. Strachan & Rev.  (Syn: Ramona pilosa (A. Gray) Abrams ) Purple Sage.
Lobo Point, Common at Lobo Point. Tom Schweich 9/26/1999 . Wild Horse Mesa, With Eriogonum fasciculatum, Coleogyne ramosissima, Juniperus osteosperma, Prunus fasciculata, and Purshia tridentata var. glandulosa. In the wash below Winkler's Cabin Tom Schweich 110. 4/29/1997 ( UC(TAS) ) With Eriogonum fasciculatum, Coleogyne ramosissima, Juniperus osteosperma, Prunus fasciculata, and Purshia tridentata glandulosa In the wash below Winkler's Cabin Tom Schweich 107. 4/29/1997 ( Zzyzx ) With Eriogonum fasciculatum, Coleogyne ramosissima, Juniperus osteosperma, Prunus fasciculata, and Purshia tridentata var. glandulosa. In the wash below Winkler's Cabin Tom Schweich 110. 4/29/1997 ( Zzyzx ) . Lobo Point, Bajada 1 km N of Lobo Point, 3 km WNW of Hole-in-the-Wall. Tom Schweich 176. 5/29/1999 ( Zzyzx ) . . CalPhotos

Salvia mohavensis E. Greene.  Mohave Sage.
Lobo Point, Near Lobo Point, on rocks, faulted rhyolite, with Euphorbia, Rhus trilobata, Eriogonum fasciculatum, and Ferocactus cylindraceus. Tom Schweich 87. 4/28/1997 ( Alameda, Ready to Mount ) No flowers on this collection. Near Lobo Point, on rocks, faulted rhyolite, with Euphorbia, Rhus trilobata, Eriogonum fasciculatum, and Ferocactus cylindraceus. Tom Schweich 85. 4/28/1997 ( Alameda, Ready to Mount ) With Squawbush (Rhus trilobata), California Barrel Cactus (Ferocactus cylindraceus), and California Buckwheat (Eriogonum fasciculatum var. polifolium). 6-8 shrubs. On rhyolite outcrop along road 1/2 mile north of Lobo Point. Tom Schweich 243. 6/5/2000 ( UC(TAS) Zzyzx ) . . CalPhotos

Malvaceae

Sphaeralcea ambigua A. Gray.  Apricot Mallow.
Lobo Point, . . CalPhotos

Sphaeralcea ambigua A. Gray var. rugosa Kearney.  Desert Globemallow.
Lobo Point, With Ferocactus cylindraceus and Ericameria cooperi. Most plants of this species in less exposed area are not in bloom yet. On the ridge line south of Lobo Point, with southwest exposure. Tom Schweich 224. 4/27/2000 ( UC(TAS) Zzyzx ) . . CalPhotos

Sphaeralcea ambigua A. Gray ssp. monticola Kearney.  (Error looking up Synonym =176Sphambamb). Desert Globemallow.
Wild Horse Mesa, with Baccharis, Pinus monophylla, Euphorbia, Rhus, Purshia, etc. Mojave Desert; East Mojave Desert region ca 40 (air) miles SE of Baker, Wild Horse Mesa of Mid-Hills; in igneous arroyo-canyon of E side Mesa; 1.25 mi SW of Hole-in-the-Wall James Henrickson 13861. 5/10/1974 ( RSA271035 ) . . CalPhotos

Nyctaginaceae

Mirabilis laevis (Benth.) Curran var. villosa (Kellogg) Spellenb.  (Syn: Mirabilis bigelovii A. Gray var. bigelovii ) Wishbone Bush.
Lobo Point, Under Juniperus osteosperma. Occasional. Tom Schweich 27. 5/27/1993 ( Zzyzx ) . . CalPhotos

Mirabilis multiflora (Torrey) A. Gray.  Colorado Four O'clock.
Lobo Point, Tom Schweich 142. 10/3/1997 ( Alameda, Ready to Mount ) . . CalPhotos

Mirabilis multiflora (Torrey) A. Gray ssp. pubescens S. Watson.  Colorado Four O'clock.
Wild Horse Mesa, White calcareus (clay) gravels in post-fire pinyon woodland, with Pinus monophylla, Hymenopappus filifolius, Cryptantha tumulosa, C. gracilis, Swertia albomarginatus. Eastern Mojave Desert Mid Hills: N end of Wildhorse Mesa, c. 5 mi NW of Hole-In-The-Wall Jim Andre and R. Kelley 7484. 5/11/2006 ( UCR175390 ) . . CalPhotos

Oleaceae

Forestiera pubescens Nutt.  Desert Olive.
Wild Horse Mesa, At the water tank, in the wash on the north slope of mesa, 3½ km west northwest of Hole-in-the-Wall, 278 km northwest of Los Angeles, California. Tom Schweich 63. 4/30/1996 ( Alameda, Ready to Mount ) NWHM, at water tank. Tom Schweich 105. 4/29/1997 ( UC(TAS) ) In bottom of wash at the water tank. 278 km northeast of Los Angeles, California. Tom Schweich 223. 4/27/2000 ( UC(TAS) ) NWHM, at water tank. Tom Schweich 105. 4/29/1997 ( UC(TAS) Zzyzx ) In bottom of wash at the water tank. 278 km northeast of Los Angeles, California. Tom Schweich 223. 4/27/2000 ( Zzyzx ) . . CalPhotos

Fraxinus anomala S. Watson.  Single-Leaf Ash.
Wild Horse Mesa, With Pinus monophylla, Ericameria linearifolia, Rhamnus ilicifolia, Rhus trilobata, Garrya flavescens, Juniperus osteosperma. Up draw from junction of old roads.. North slope of Wild Horse Mesa, on Winkler Formation (lacustrine limestone). Tom Schweich 163. 9/20/1998 ( Alameda, Ready to Mount ) On north slope of Wild Horse Mesa, 5 km WNW of Hole-in-the-Wall. Tom Schweich 182. 5/29/1999 ( UC(TAS) Zzyzx ) With Garrya flavescens, Pinus monophylla, and Rhamnus ilicifolia. Occasional. North slope. Tom Schweich 26. 5/27/1993 ( Zzyzx ) . . CalPhotos

Menodora scoparia A. Gray.  Desert Olive.
Lobo Point, Found on rocky, dry, exposed colluvial flats. 3 km northwest of Hole-in-the-Wall. Tom Schweich 287. 5/25/2001 ( UC(TAS) Zzyzx ) . . CalPhotos

Onagraceae

Oenothera californica (S. Watson) S. Watson ssp. avita Klein.  California Evening Primrose.
Lobo Point, In a wash. 3 km west-northwest of Hole-in-the-Wall. Tom Schweich 162. 9/20/1998 ( Alameda. Ready To Mount ) . . CalPhotos

Papaveraceae

Eschscholzia glyptosperma E. Greene.  Desert Gold Poppy.
Lobo Point, Along the road out of the Lobo Point camp site, between the opal beds and the andesite outcrop. Tom Schweich 228. 4/27/2000 ( UC(TAS) Zzyzx ) . . CalPhotos

Phrymaceae

Mimulus rubellus A. Gray.  Little Redstem Monkeyflower.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre and T. La Doux 7427. 5/1/2006 ( UCR175403 ) . . CalPhotos

Plantaginaceae

Plantago patagonica Jacq.  Woolly Plantain.
Lobo Point, Tom Schweich 281. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Polemoniaceae

Eriastrum .  Woolystar.
Lobo Point, Unknown little purple flower, Near Lobo Point, in open areas on alluvial ridge among Juniperus osteosperma, Coleogyne ramosissima, Erigonum fasciculatum, and Opuntia acanthocarpa. Tom Schweich 90. 4/28/1997 ( Alameda, More Processing ) . . CalPhotos

Gilia .  Gilia.
Wild Horse Mesa, East facing slope on Precambrian gneiss and schist with Pinus monophylla, Juniperus osteosperma, and Coleogyne ramosissima. Tom Schweich 273. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Gilia aliquanta A. D. Grant & V. E. Grant ssp. breviloba A. D. Grant & V. E. Grant.  Puffcalyx Gilia.
Wild Horse Mesa, Locally common; plants with dark purple flowers.; Below white, limey clay formations in post-fire pinyon woodland, with Swertia albomarginatus, Dalea searlesiae, Pinus monophylla, Hymenopappus cooperi, Pectocarya setosa, Phacelia distans. Eastern Mojave Desert Mid Hills: lower slopes of the far N end of Wildhorse Mesa, c. 1.5 mi west of Wildhorse Canyon Rd Jim Andre 7399. 4/20/2006 ( UCR175360 ) . . CalPhotos

Gilia ophthalmoides Brand.  Pinyon Gilia.
Wild Horse Mesa, East facing slope on Precambrian gneiss and schist with Pinus monophylla, Juniperus osteosperma, and Coleogyne ramosissima. Tom Schweich 272. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Linanthus aureus (Nutt.) E. Greene ssp. aureus.  Golden Linanthus.
Lobo Point, Tom Schweich 276. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Loeseliastrum matthewsii (A. Gray) S. Timbrook.  Desert Calico.
Lobo Point, . . CalPhotos

Phlox .  Phlox.
Wild Horse Mesa, Solitary plants or growing out of Coleogyne ramosissima. Tom Schweich 218. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Undetermined .  Unknown Polemoniaceae.
Lobo Point, Common in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 117. 4/30/1997 ( Alameda, More Processing ) . . CalPhotos

Polygonaceae

Chorizanthe .  Spineflower.
Lobo Point, . . CalPhotos

Eriogonum fasciculatum Benth. ssp. polifolium (A. DC.) Torrey & A. Gray.  California Buckwheat.
Lobo Point, 3 km west-northwest of Hole-in-the-Wall. Tom Schweich 160. 9/20/1998 ( Alameda, Ready To Mount ) Near Lobo Point, on rocks, faulted rhyolite, with Euphorbia, Rhus trilobata, Salvia mohavensis, and Ferocactus cylindraceus. Tom Schweich 86. 4/28/1997 ( Alameda, Ready to Mount ) . Wild Horse Mesa, With Coleogyne ramosissima, Juniperus osteosperma, Prunus fasciculata, Purshia tridentata glandulosa, and Salvia dorrii. In the wash below Winkler's Cabin Tom Schweich 108. 4/29/1997 ( UC(TAS) Zzyzx ) . . CalPhotos

Eriogonum wrightii Torr. ex Benth.  Bastardsage.
Lobo Point, 3 km west northwest of Hole-in-the-Wall. Tom Schweich 149. 10/3/1997 ( UC(TAS) ) Tom Schweich 156. 9/20/1998 ( UC(TAS) ) Under Pinus monophylla. Occasional. Tom Schweich 29. 4/29/1996 ( UC(TAS) ) 3 km west northwest of Hole-in-the-Wall. Tom Schweich 149. 10/3/1997 ( UC(TAS) ) Tom Schweich 156. 9/20/1998 ( Zzyzx ) Under Pinus monophylla. Occasional. Tom Schweich 29. 4/29/1996 ( Zzyzx ) 3 km west northwest of Hole-in-the-Wall. Tom Schweich 149. 10/3/1997 ( Zzyzx ) . . CalPhotos

Undetermined .  Buckwheat Family.
Wild Horse Mesa, North slope of Wild Horse Mesa. Tom Schweich 94. 4/29/1997 ( Alameda, More Processing ) North rim of Wild Horse Mesa. Tom Schweich 97. 4/29/1997 ( Alameda, More Processing ) . . CalPhotos

Ranunculaceae

Delphinium parishii A. Gray ssp. parishii A. Gray.  Parish's Larkspur.
Lobo Point, With Pinus monophylla. Occasional, on shaded slopes. Tom Schweich 22. 5/26/1993 ( Zzyzx ) . . CalPhotos

Myosurus cupulatus S. Watson.  Arizona Mousetail.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre and T. La Doux 7440. 5/1/2006 ( UCR175399 ) . . CalPhotos

Rhamnaceae

Rhamnus ilicifolia Kellogg.  Hollyleaf Redberry.
Wild Horse Mesa, North slope of Wild Horse Mesa. 5 km west-northwest of Hole-in-the-Wall. Tom Schweich 165. 9/20/1998 ( UC(TAS) ) Uncommon. North slope. Tom Schweich 46. 4/30/1996 ( UC(TAS) ) North slope of Wild Horse Mesa. 5 km west-northwest of Hole-in-the-Wall. Tom Schweich 165. 9/20/1998 ( Unknown (Zzyzx?) ) Uncommon. North slope. Tom Schweich 46. 4/30/1996 ( Zzyzx ) With Quercus chrysolepis, Pinus monophylla, and Juniperus osteosperma. Tom Schweich 102. 4/29/1997 ( Zzyzx ) . . CalPhotos

Rosaceae

Amelanchier utahensis Koehne.  Utah Service-Berry.
Wild Horse Mesa, North slope of Wild Horse Mesa, below cliff. Approximately 5 km WNW of Hole-in-the-Wall. Tom Schweich 174. 4/21/1999 ( UC(TAS) ) White, gravelly deposits (calcareous clay) in post-fire pinyon-juniper woodland, with Swertia albomarginata, Chrysothamnus depressus, Gilia aliquanta breviloba. Eastern Mojave Desert Mid Hills: N end of Wildhorse Mesa Jim Andre and T. La Doux 7416. 5/1/2006 ( UCR175688 ) North slope of Wild Horse Mesa, below cliff. Approximately 5 km WNW of Hole-in-the-Wall. Tom Schweich 174. 4/21/1999 ( Zzyzx ) With Garrya flavescens, Pinus monophylla, and Juniperus osteosperma. Tom Schweich 100. 4/29/1997 ( Zzyzx ) North slope. Uncommon. Tom Schweich 44. 4/30/1996 ( Zzyzx ) . . CalPhotos

Coleogyne ramosissima Torrey.  Blackbrush.
Wild Horse Mesa, With Eriogonum fasciculatum, Juniperus osteosperma, Prunus fasciculata, Purshia tridentata glandulosa, and Salvia dorrii. In the wash below Winkler's Cabin. Tom Schweich 106. 4/29/1997 ( UC(TAS) Zzyzx ) . Lobo Point, Near Lobo Point, in open areas on alluvial ridge among Juniperus osteosperma, and Eriogonum fasciculatum. Tom Schweich 91. 4/28/1997 ( Zzyzx ) . . CalPhotos

Fallugia paradoxa (D. Don) Endl.  Apache Plume.
Lobo Point, Along the side of the wash below Lobo Point, 2.4 km northwest of Hole in the Wall. Tom Schweich 146. 10/3/1997 ( Alameda, Ready to Mount ) Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 120. 4/30/1997 ( UC(TAS) ) Alongside washes. Uncommon. Tom Schweich 41. 4/29/1996 ( UC(TAS) Zzyzx ) 3 km west northwest of Hole-in-the-Wall. Tom Schweich 147. 10/3/1997 ( Zzyzx ) Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 120. 4/30/1997 ( Zzyzx ) . . CalPhotos

Prunus fasciculata (Torrey) A. Gray.  Desert Almond.
Lobo Point, Tom Schweich 279. 4/24/2001 ( UC(TAS) ) . . CalPhotos

Purshia mexicana (D. Don.) Welsh var. stansburyana (Torrey) Welsh.  Stansbury's Antelope Brush.
Lobo Point, 6/5/2000 . . CalPhotos

Purshia tridentata (Pursh) DC. var. glandulosa (Curran) M. E. Jones.  Desert Bitterbrush.
Lobo Point, Lobo Point Camp. Tom Schweich 112. 4/30/1997 ( UC(TAS) Zzyzx ) In scrub and woodland with Pinus monophylla and Juniperus osteosperma. Common. Tom Schweich 38. 4/29/1996 ( Zzyzx ) . . CalPhotos

Rubiaceae

Galium .  Bedstraw.
Lobo Point, Tom Schweich 158. 9/20/1998 ( UC(TAS) Unmounted ) . . CalPhotos

Rutaceae

Thamnosma montana Torrey & Fremont.  Turpentine Broom.
Lobo Point, . . CalPhotos

Scrophulariaceae

Castilleja .  Indian Paintbrush.
Wild Horse Mesa, With Coleogyne ramosissima, Eriogonum fasciculatum, Juniperis osteosperma, Prunus fasciculata, Purshia tridentata var. glandulosa, and Salvia dorrii. In the wash below Winkler's Cabin Tom Schweich 109. 4/29/1997 ( Alameda, More Processing ) Solitary plants or growing in Prunus fasciculata. Tom Schweich 217. 4/27/2000 ( UC(TAS) ) . . CalPhotos

Cordylanthus parviflorus (Ferris) Wiggins.  Purple Bird's-Beak.
Wild Horse Mesa, On and below Winkler Formation, a lacustrine limestone. Tom Schweich 9/15/2001 . . CalPhotos

Keckiella antirrhinoides (Benth.) Straw ssp. microphylla (A. Gray) N. Holmgren.  Yellow Bush Penstemon.
Lobo Point, With Juniperus osteosperma and Pinus monophylla. Rare, small colony in joints of welded tuff. Tom Schweich 17. 5/25/1993 ( UC(TAS) ) . . CalPhotos

Penstemon eatonii A. Gray ssp. eatonii.  Eaton's Firecracker.
Wild Horse Mesa, Found on disturbed soil (former road) on north face of Wild Horse Mesa, in Winkler Formation (lacustrine limestone). Tom Schweich 290. 5/26/2001 ( UC(TAS) ) . Lobo Point, With Pinus monophylla. Occasional, on north slopes. Tom Schweich 20. 5/26/1993 ( UC(TAS) ) . Wild Horse Mesa, Found on disturbed soil (former road) on north face of Wild Horse Mesa, in Winkler Formation (lacustrine limestone). Tom Schweich 290. 5/26/2001 ( Zzyzx ) . . CalPhotos

Solanaceae

Lycium .  Desert Thorn.
Lobo Point, Uncommon. Tom Schweich 37. 4/29/1996 ( Zzyzx ) . . CalPhotos

Lycium cooperi A. Gray.  Peach Thorn.
Lobo Point, Changed det from L. andersonii, 10/16/98 Lobo Point Camp. Tom Schweich 111. 4/30/1997 ( UC(TAS) Zzyzx ) . . CalPhotos

Nicotiana obtusifolia Martens & Galeotti.  Desert Tobacco.
Lobo Point, Only one seen, small, pitiful. In the watercourse on the south side of the landslide on the east side of Lobo Point. Tom Schweich 245. 6/5/2000 ( UC(TAS) Zzyxz ) . . CalPhotos

Physalis acutifolia (Miers) Sandw.  Sharpleaf Groundcherry.
Lobo Point, With Juniperus osteosperma. Occasional, in shaded places. Tom Schweich 21. 5/26/1993 ( UC(TAS) Zzyzx ) . . CalPhotos

Undet.

Undet. .  Unknown.
Wild Horse Mesa, Pinyon-Juniper. North slope of Wild Horse Mesa, open, dry, slope, volcanic, rocky. Tom Schweich 172. 4/21/1999 Pink flowers, along trail. North slope of Wild Horse Mesa. Tom Schweich 99. 4/29/1997 Pinyin-Juniper. North slope of Wild Horse Mesa, Winkler Fm., open, dry slope, limestone, rocky. Tom Schweich 170. 4/21/1999 Pinyon-Juniper. North slope of Wild Horse Mesa, open, dry, slope, limestone, wall of boulder. Tom Schweich 171. 4/21/1999 North slope of Wild Horse Mesa, partial shade, dry, slope, colcanic, litter, outcrop, base of cliff. Tom Schweich 173. 4/21/1999 . Lobo Point, Common in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 116. 4/30/1997 ( Alameda, More Processing ) Uncommon in the Lobo Point Camp. Lobo Point Camp. Tom Schweich 123. 4/30/1997 ( Alameda, More Processing ) Rare, in shaded rock crevices on north slopes. Tom Schweich 19. 5/26/1993 ( UC(TAS) ) . . CalPhotos

Verbenaceae

Verbena gooddingii Briq.  Southwestern Mock Vervain.
Lobo Point, 3 km west-northwest of Hole-in-the-Wall. Tom Schweich 164. 9/20/1998 ( Alameda, Ready to Mount ) . . CalPhotos

Zygophyllaceae

Larrea tridentata (DC) Cov.  Creosote Bush.
Lobo Point, . . CalPhotos

Agavaceae

Agave deserti (Engelm.) Gentry.  Desert Agave.
Wild Horse Mesa, . . CalPhotos

Yucca baccata Torrey.  Banana Yucca.
Lobo Point, Lobo Point Camp. Tom Schweich 115. 4/30/1997 ( UC(TAS) ) . . CalPhotos

Yucca schidigera K. E. Ortgies.  Mohave Yucca.
Lobo Point, . . CalPhotos

Liliaceae

Calochortus kennedyi Porter.  Desert Mariposa Lily.
Wild Horse Mesa, Many in bloom 26-May-03. Tom Schweich 5/26/2003 . . CalPhotos

Poaceae (Gramineae)

Elymus elymoides (Raf.) Swezey ssp. brevifolius (J. G. Sm.) Barkworth.  Squirreltail Grass.
Wild Horse Mesa, Granitic ridgetop and post-fire pinyon-juniper woodland, with Lotus argyraeus multicaulis, Pinus monophylla, Ericameria linearifolia, Phacelia curvipes. Eastern Mojave Desert Mid Hills: just north of saddle at the N end of Wildhorse Mesa, and just north of white calcareous deposits Jim Andre and T. La Doux 7442. 5/1/2006 ( UCR175397 ) . . CalPhotos  

Locations Included in This Area