Eastern Mojave Vegetation
By Tom Schweich
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Eastern Mojave Vegetation | Images -- Species - Cactaceae |
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By Tom Schweich |
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Unclassified Geography - Idaho Geography - Park County, CO Geography - Summit County, CO Geography - Arizona Geography - British Columbia Geography - California Geography - California's Colorado Desert Alaska Geography - Mono Lake Basin, California Geography - Mono County, California Geography - San Luis Obispo County, California Geography - Marin County, California Geography - Santa Clara County Alameda Garden Geography - Central Mojave Geography - New Mexico Geography - Eastern Mojave Geography - Northern Mojave Geography - Colorado Geography - Alamosa County, CO Geography - Boulder County, CO Geography - Clear Creek County, CO Geography - Chaffee County, CO Geography - Douglas County, CO Geography - Gilpin County, CO Geography - Golden, Colorado Geography - Weld County, CO Geography - Yuma County, CO Geography - Hinsdale County, CO Geography - Jefferson County, CO Geography - North Table Mountain, Jefferson Cty, CO Geography - Lake County, CO Geography - Larimer County, CO Geography - Nevada Geography - Oregon Geography - South Dakota Geography - Utah Geography - Nebraska Geography - Virginia Geography - Washington Geography - Wyoming Spain - Andalucia Spain - Castilla y Leon Spain - Castilla-La Mancha Spain - Extremadura Spain - Galicia Spain - Madrid Portugal Geology Economic Geology Climatology Botany Salvia dorrii Frasera albomarginata Species Species - Polygonaceae Species - Brassicaceae Species - Brassicaceae, Physaria vitulifera Species - Rosaceae Species - Fabaceae Species - Cactaceae Species - Apiaceae Species - Onagraceae Species - Polemoniaceae Species - Boraginaceae Species - Plantaginaceae Species - Asteraceae Species - Poaceae Species - Cyperaceae Zoology Ecology Archeology Customer Satisfaction General Arizona California Kansas Missouri Nebraska New York Christmas 2002 Family Photos Family Documents Family Photos 2003 Art of Lydia Schweich Portraits Railroad Geography - Germany |
Images are organized by the topics listed at left. Click on a topic name to see images with that topic. Would you like to use these photographs in your school term paper or report? License is hereby granted for non-commercial use of the images contained herein provided that the images are reproduced with the copyright notice intact. This means that we give you our permission to use the photographs and information you find here in your school term papers and reports. You may resize the photograph to fit your needs, but you may not remove the copyright. Your term paper should note that the photographs are reproduced with permission and it should have a reference to this web site, such as: "Photograph ©1999 Tom Schweich. Used by permission, http://www.schweich.com" If you have a comment or a question about a photograph you may write to me at tomas@schweich.com I will answer you as soon as I can. I sometimes post interesting questions in my FAQ, but I will not disclose your full name or address.
| Cylindropuntia imbricata
|  Obs. No. 4312, Cylindropuntia imbricata.
Obs. No. 4312, Cylindropuntia imbricata. | Photographed 25 July 2025.
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| Cylindropuntia ramosissima
|  Opuntia ramosissima along Kelbaker Road.
Opuntia ramosissima along Kelbaker Road. | Photographed 22 January 2015.
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|  Nasty Lookin' Stuff
Nasty Lookin' Stuff | Photographed 22 January 2015.
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| Echinocereus engelmannii
|  Echinocereus engelmannii in Wild Horse Canyon.
Echinocereus engelmannii in Wild Horse Canyon. | Photograph of Echinocereus engelmannii "Hedgehog Cactus" taken near the Silver Buddy mine, between Wild Horse Canyon and Macedonia Canyon.
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|  Echinocereus engelmannii
Echinocereus engelmannii | Photograph taken 12-May-07.
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|  Bug in Echinocereus engelmannii
Bug in Echinocereus engelmannii | Photograph taken 12-May-07.
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|  Echinocereus engelmannii in Wild Horse Canyon.
Echinocereus engelmannii in Wild Horse Canyon. | Photograph of Echinocereus engelmannii "Hedgehog Cactus" taken near the Silver Buddy mine, between Wild Horse Canyon and Macedonia Canyon.
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|  Echinocereus engelmannii in Wild Horse Canyon.
Echinocereus engelmannii in Wild Horse Canyon. | Photograph of Echinocereus engelmannii "Hedgehog Cactus" taken near the Silver Buddy mine, between Wild Horse Canyon and Macedonia Canyon.
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| Echinocereus triglochidiatus
|  Hedgehog cactus (Echinocereus triglochidiatus Engelm.) on Columbia Mountain.
Hedgehog cactus (Echinocereus triglochidiatus Engelm.) on Columbia Mountain. | Photographed April 1986.
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|  Fire-singed Claret Cup Cactus (Echinocereus triglochidiatus) making a comeback after the Hackberry Complex fire.
Fire-singed Claret Cup Cactus (Echinocereus triglochidiatus) making a comeback after the Hackberry Complex fire. | Photograph taken October 15, 2005.
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|  Mound Cactus (Echinocereus triglochidiatus).
Mound Cactus (Echinocereus triglochidiatus). | Sometimes also called Claret Cup Cactus, grows in the rocks in the canyons along Wild Horse Canyon Road. My impression is that the species is more common on the Precambrian schist and gneiss, but I have no data to support that conclusion. Occasionally the species can be found on alluvial soils.
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| Echinocereus viridiflorus
|  Echinocereus viridiflorus in a place just cleared of Alyssum simplex.
Echinocereus viridiflorus in a place just cleared of Alyssum simplex. | Photographed 21 May 2023.
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|  A large specimen of Echinocereus viridiflorus.
A large specimen of Echinocereus viridiflorus. | Photographed 22 May 2023.
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|  Echinocereus viridiflorus on a terrace of Coal Creek.
Echinocereus viridiflorus on a terrace of Coal Creek. | Photographed 15 June 2022.
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|  Obs. No. 1096, Echinocereus viridiflorus
Obs. No. 1096, Echinocereus viridiflorus | Photographed 3 May 2015.
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|  High density of Echinocereus viridiflorus
High density of Echinocereus viridiflorus | Photographed 15 May 2017.
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|  Obs. No. 1471, Echinocereus viridiflorus
Obs. No. 1471, Echinocereus viridiflorus | Photographed 29 May 2016.
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| Escobaria missouriensis
|  First fully open flower in Schweich Hill.
First fully open flower in Schweich Hill. | Photographed 8 May 2023.
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|  Three Missouri Foxtail Cactus together.
Three Missouri Foxtail Cactus together. | Photographed 16 April 2019.
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|  Escobaria missouriensis in bloom on Schweich Hill.
Escobaria missouriensis in bloom on Schweich Hill. | Photographed 16 May 2023.
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|  Escobaria missouriensis in bloom on Schweich Hill.
Escobaria missouriensis in bloom on Schweich Hill. | Photographed 16 May 2023.
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|  Obs. No. 1603, Escobaria missouriensis
Obs. No. 1603, Escobaria missouriensis | Photographed 28 April 2018.
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|  Missouri Foxtail Cactus beside the trail.
Missouri Foxtail Cactus beside the trail. | Photographed March 11, 2018.
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|  Escobaria missouriensis in a crack between three rocks.
Escobaria missouriensis in a crack between three rocks. | Photographed 14 March 2018. The old roots showing through the soil suggest that this cactus has been here for a long time.
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|  Missouri Foxtail Cactus sits low in the soil.
Missouri Foxtail Cactus sits low in the soil. | Photographed March 11, 2018.
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|  Escobaria missouriensis
Escobaria missouriensis | Photographed 18 May 2018.
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|  Small Missouri Foxtail Cactus
Small Missouri Foxtail Cactus | Photographed 18 April 2018.
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|  Escobaria missouriensis, Green Mountain, Jefferson County, Collorado
Escobaria missouriensis, Green Mountain, Jefferson County, Collorado | Photographed 17 May 2015.
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|  Escobaria missouriensis at Tin Cup Ridge.
Escobaria missouriensis at Tin Cup Ridge. | Photographed 23 May 2018.
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| Escobaria vivipara
|  Definitely a Escobaria, likely E. vivipara
Definitely a Escobaria, likely E. vivipara | Photographed 17 September 2020.
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|  Escobaria vivipara
Escobaria vivipara |
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|  Small Escobaria vivipara in bloom beside Utah Highway 21
Small Escobaria vivipara in bloom beside Utah Highway 21 | Photograph taken June 9, 2008.
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|  Escobaria vivipara near Lobo Point.
Escobaria vivipara near Lobo Point. |
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|  Obs. No. 1553, Escobaria vivipara
Obs. No. 1553, Escobaria vivipara | Photographed 8 May 2017.
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|  Escobaria vivipara with fruit.
Escobaria vivipara with fruit. | Photographed 27 March 2017.
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|  Escobaria vivipara in the Schweich Hill.
Escobaria vivipara in the Schweich Hill. | Photographed 15 June 2018.
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|  Coll. No. 1070, Escobaria vivipara
Coll. No. 1070, Escobaria vivipara | Photographed 12 March 2015. Determination tentative. Not collected, solitary cactus.
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|  Escobaria vivipara along the road to Lobo Point.
Escobaria vivipara along the road to Lobo Point. | Photographed May 1993. Scanned 17 March 2018.
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| Ferocactus cylindraceus
|  Barrel Cactus (Ferocactus cylindracus) at the base of the south side of Pinto Mountain.
Barrel Cactus (Ferocactus cylindracus) at the base of the south side of Pinto Mountain. |
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|  Barrel Cactus (Ferocactus cyindraceus).
Barrel Cactus (Ferocactus cyindraceus). | This is me pretending to drape my arm across a Barrel Cactus (Ferocactus cyindraceus) at the rock shelter on Wild Horse Mesa. Photograph taken in 1979. I don't look dorky like this anymore.
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| Ferocactus polycephalus
|  Ferocactus polycephalus along Racetrack Valley Road.
Ferocactus polycephalus along Racetrack Valley Road. |
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| Lobivia wrightiana
|  Lobivia wrightiana in my garden.
Lobivia wrightiana in my garden. |
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| Mammilaria tetrancistra
|  Foxtail cactus (Mammilaria tetrancistra) on limestone outcrop in Mesquite Mountains.
Foxtail cactus (Mammilaria tetrancistra) on limestone outcrop in Mesquite Mountains. | Photograph taken April 20, 2004.
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| Mammillaria sp.
|  Mammillaria cactus in my garden.
Mammillaria cactus in my garden. |
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| Opuntia basilaris
|  Beavertail Cactus (Opuntia basilaris) near Winters Pass in the Mesquite Mountains.
Beavertail Cactus (Opuntia basilaris) near Winters Pass in the Mesquite Mountains. | Photograph taken 20 April 2005, in the Mesquite Mountains, about 1000 meters northeast of Winters Pass. This is my collection number 449.
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|  Beavertail cactus (Opuntia basilaris) near the northern boundary of Fort Irwin.
Beavertail cactus (Opuntia basilaris) near the northern boundary of Fort Irwin. |
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|  Opuntia basilaris
Opuntia basilaris | Photograph taken in early April on the north side of Old Dad Mountain.
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|  Beavertail (Opunita basilaris) sprouting after a fire.
Beavertail (Opunita basilaris) sprouting after a fire. | Photograph taken October 15, 2005 near Lobo Point, Mojave National Preserve.
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|  Collection No. 449 from the Mesquite Mountains.
Collection No. 449 from the Mesquite Mountains. | Scanned 22-Jan-06.
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| Opuntia bigelovii
|  Teddy-Bear Cholla (Opuntia bigelovii) near Boundary Cone
Teddy-Bear Cholla (Opuntia bigelovii) near Boundary Cone | Photograph taken May 29, 2008.
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|  Teddy Bear Cholla
Teddy Bear Cholla | Photograph taken April 22, 2008.
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|  Teddy Bear Cholla
Teddy Bear Cholla | Photograph taken April 22, 2008.
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| Opuntia chlorotica
|  Pancake Cactus (Opuntia chlorotica) resprouting after the Hackberry Complex Fire.
Pancake Cactus (Opuntia chlorotica) resprouting after the Hackberry Complex Fire. | Photograph taken October 15, 2005. This is one of the few cacti that were resprouting. Many others were not. Perhaps it has to do with the amount of damage to the base of the plant from the heat.
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| Opuntia echinocarpa
|  Silver cholla (Opuntia echinocarpa) in lower Wild Horse Canyon.
Silver cholla (Opuntia echinocarpa) in lower Wild Horse Canyon. | Silver cholla appears to be limited by elevation and isn't found at higher elevations.
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| Opuntia erinacea
|  Mojave Prickly Pear (Opuntia erinacea) on the slopes of the Winters Pass Hills
Mojave Prickly Pear (Opuntia erinacea) on the slopes of the Winters Pass Hills | Photograph taken April 20, 2004
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| Opuntia fragilis
|  Habitat of Obs. No. 3279, Opuntia fragilis.
Habitat of Obs. No. 3279, Opuntia fragilis. | Photographed 28 June 2024.
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|  Obs. No. 3279, Opuntia fragilis.
Obs. No. 3279, Opuntia fragilis. | Photographed 28 June 2024.
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|  Opuntia fragilis on flat below highway.
Opuntia fragilis on flat below highway. | Photographed 12 April 2024
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|  Coll. No. 2543, Opuntia fragilis
Coll. No. 2543, Opuntia fragilis | Photographed 22 November 2021.
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|  Habitat of Coll. No. 2543, Opuntia fragilis
Habitat of Coll. No. 2543, Opuntia fragilis | Photographed 29 June 2021. The cactus was rooted in soil beside the boulder and growing on top of the boulder.
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|  Coll. No. 2543, Opuntia fragilis
Coll. No. 2543, Opuntia fragilis | Photographed 29 June 2021.
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| Opuntia macrorhiza
|  Coll. No. 2371, Opuntia macrorhiza
Coll. No. 2371, Opuntia macrorhiza | Phototographed 20 June 2020.
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|  Opuntia macrorhiza
Opuntia macrorhiza | Photographed 29 May 2020.
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|  Coll. No. 1948, Opuntia macrorhiza
Coll. No. 1948, Opuntia macrorhiza | Photographed 22 December 2018. Coll. No. 1948, 15 June 2018, characters observed: Perennial cactus, not distinctly mat-forming; Stem, segments, 90 mm. × 60 mm. wide, flattened, bluish-green, areoles, #5-6 per diagonal row, spaced 8-14 mm., proximal, glochids only, distal, glochids and spines, spines, #2, #1, 28 mm., erect, brown to tan at tip, #1, 12 mm., recumbent, nearly white; Flowers, petals, 36 mm. × 22 mm. wide, wedge-shaped, color yellow; Stamens, many, 18 mm., yellow; Style, 20-24 mm., stout; Stigma, lobes, #6-8, 3 mm.; Fruit, 38 mm. × 17 mm. wide, narrow at base, fleshy, green, areoles, mix of glochids and short spines.
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|  Opuntia macrorhiza on Schweich Hill.
Opuntia macrorhiza on Schweich Hill. | Photographed 20 June 2024.
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|  Opuntia macrorhiza on Schweich Hill.
Opuntia macrorhiza on Schweich Hill. | Photographed 10 April 2024.
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|  Opuntia macrorhiza on Schweich Hill.
Opuntia macrorhiza on Schweich Hill. | Photographed 10 April 2024.
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|  Obs. No. 1540, Opuntia macrorhiza
Obs. No. 1540, Opuntia macrorhiza | Photographed 2 May 2017.
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| Opuntia polyacantha
|  Coll. No. 2790, Opuntia polyacantha, 10 Jun 2022
Coll. No. 2790, Opuntia polyacantha, 10 Jun 2022 | Photographed 10 June 2022.
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|  Opuntia polyacantha on Dakota Ridge.
Opuntia polyacantha on Dakota Ridge. | Photographed 17 September 2020.
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|  Coll. No. 2445, Opuntia polyacantha
Coll. No. 2445, Opuntia polyacantha | Photographed 6 Nov 2020.
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|  Observation No. 3697, Opuntia polyacantha.
Observation No. 3697, Opuntia polyacantha. | Photographed 21 June 2024.
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|  Obs. No. 1427, Opuntia polyacantha
Obs. No. 1427, Opuntia polyacantha | Photographed 9 June 2015.
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|  Flower and fruit of Coll. No. 1428, Opuntia polyacantha
Flower and fruit of Coll. No. 1428, Opuntia polyacantha | Scanned 11 December 2016.
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| Opuntia sp.
|  Opuntia along Racetrack Valley Road.
Opuntia along Racetrack Valley Road. |
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| Pediocactus simpsonii
|  Pediocactus simpsonii on the dry flat below CO Highway 72.
Pediocactus simpsonii on the dry flat below CO Highway 72. | Photographed 12 April 2024. Many in bloom here.
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|  Pediocactus simpsonii (Nutt.) Haw.
Pediocactus simpsonii (Nutt.) Haw. | Photographed 25 April 2015.
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|  Obs. No. 1428, Pediocactus simpsonii
Obs. No. 1428, Pediocactus simpsonii | Photographed 9 June 2015.
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|  Habitat of Pediocactus simpsonii (Nutt.) Haw.
Habitat of Pediocactus simpsonii (Nutt.) Haw. | Photographed 25 April 2015.
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|  Habitat of Pediocactus simpsonii on North Table Mountain
Habitat of Pediocactus simpsonii on North Table Mountain | Photographed 27 February 2016.
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|  Concentration of Pediocactus simpsonii
Concentration of Pediocactus simpsonii | Photographed 16 April 2018.
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|  Pediocactus simpsonii in bloom at Ranson Edwards Homestead OSP.
Pediocactus simpsonii in bloom at Ranson Edwards Homestead OSP. | Photographed 14 April 2016.
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