Botanical Notes (not peer-reviewed)

2023

Cacti and yuccas of the Mojave River Watershed, including Cima Dome. Cactus Explorer 28: In press.

An odd Pediocactus knowltonii. Cactus and Succulent Journal 95(1): 6-9.

Opuntia macrocentra, a variable prickly pear of the northern Chihuahuan Desert. Cactus and Succulent Journal 95(1): 49-59.

2022

Sotol (Dasylirion wheeleri) with curly leaves. Cactus and Succulent Journal 94(4): 170-171.

Pediocactus knowltonii: a close look at a very rare cactus. Cactus and Succulent Journal 94(4): 202-212.

Mammillaria viridiflora: a synonym of M. wrightii or Cochemiea wrightii. Journal of the Mammillaria Society 62(2): 77-78.

Opuntia winter colors. Cactus and Succulent Journal 94(3): 145-151.

Curved-spined Opuntias. Cactus and Succulent Journal 94(1): 25-27.

2021

Glandulicactus uncinatus var. wrightii at Anthony Gap. Cactus World 39(4): 261-270.

Mammillaria lasiacantha and similar looking species at Anthony Gap, New Mexico. Journal of the Mammillaria Society 61(4): 129-132.

Echinomastus intertextus. Cactus and Succulent Journal 93(3): 197-203. [and cover photo]

Mammillarias of northern New Mexico: M. wrightii and M. meiacantha. Journal of the Mammillaria Society 61(3): 97-101.

Cacti grow smaller in cold environments and larger in warm ones. Cactus and Succulent Journal 93(1): 197-199. [Gorelick R and Gorelick R]

2020

Opuntia basilaris var. heilii. Cactus World 38(4): 293-294.

Coryphantha organensis and other cacti at Soledad Canyon, Organ Mountains, New Mexico. Cactus World 38(4): 269-276.

Cylindropuntia leptocaulis x versicolor. Cactus Explorer 26: 80-82.

Coryphantha missouriensis with pectinate spines. Cactus World 38(3): 238.

Cylindropuntia ramosissima – the diamond cholla. Cactus World 38(3): 195-198.

Cuyama River cacti and succulents. Cactus and Succulent Journal 92(3): 189-207.

2019

Spineless Opuntia fragilis. Cactus and Succulent Journal 91(4): 287-288.

Echinocereus reichenbachii subsp. baileyi. Cactus and Succulent Journal 91(3): 177-181.

Opuntia tortispina. Cactus and Succulent Journal  91(1): 197-198.

2017

Rooting Sinningia leaves. Cactus World 35(3): 222.

Opuntia fragilis in the San Juan Islands. Cactus and Succulent Journal  89(4): 185-188.

Historical records of the range of Opuntia fragilis. Cactus Explorer 18: 41-42.

2015

Hesperoyucca whipplei. Cactus and Succulent Journal 87(6): 269-270.

From the editor. Haseltonia 20: 2. [and cover photos of Agave shawii ssp. goldmaniana and Matucana madisoniorum]

2014

Strange stem architecture of pachycaulous morning glories. Cactus Explorer 13: 88-89.

Sex determination and sex change in cycads: tantalizing new hints. Cycad Newsletter 37(2-3): 29.

Sclerocactus parviflorus amongst the arches. Cactus and Succulent Journal 86(1): 37-39.

From the editor. Haseltonia 19: 2. [and cover photo of Fouquieria columnaris]

2013

Tephrocactus [Root Gorelick and Dan Mahr]. Cactus and Succulent Journal 85(6): 262-276.

Pterocactus. Cactus and Succulent Journal 85(5): 219-221.

What is natural history? CSEE Bulletin 14: 17-19.

2012

Euphorbia antiquorum and James Bond. Cactus and Succulent Journal 84(5): 244-246.

2011

Ferocactus hamatacanthus at Big Bend. Cactus World 29(4): 211-216.

Ariocarpus fissuratus and other cacti at the Dog Canyon Trailhead, Big Bend. Cactus and Succulent Journal 83(4): 146-149.

Isotomous branching at the Zamia furfuracea cone axis. Cycad Newsletter 34(1): 29.

Cacti and agaves at the Grand Canyon’s South Rim. Cactus World 29(1): 27-30.

2010

Coryphantha echinus. Cactus World 28(2): 112.

2009

Dracena draco…in Canada. Cactus and Succulent Journal 81(6): 277. Erratum. Cactus and Succulent Journal 82(1): 31.

From the editor. Haseltonia 15: 2.

Meritorious micranthocerei. Cactus World 27(3): 183-184.

Columnar cacti of eastern Brazil. [Root Gorelick and Graham Charles].

The genera Brasilicereus, Cipocereus, and Pilosocereus in eastern Brazil. Cactus and Succulent Journal 81(3): 126-129, 132-136.

Two more cephalium-bearing cacti: Espostoopsis dybowskii and Facheiroa cephaliomelana subsp. estevesii. Cactus and Succulent Journal 81(3): 137.

Opuntioids of eastern Brazil – Tacinga, Quiabentia, Brasiliopuntia. [Sabrina Mota Lambert and Root Gorelick].

Odd opuntias: Quiabentia and Brasiliopuntia. Cactus and Succulent Journal 81(3): 162.

After a few wet years in southern New Mexico. Cactus and Succulent Journal 81(1): 22-24. 33.

2008

Fouquieria burragei, a rare species from southern Baja. Cactus and Succulent Journal 80(4): 204-207.

From the editor. Haseltonia 14: 2.

Some crested cacti of Baja California. Cactus and Succulent Journal 80(1): 4-6.

2007

Cochemiea halei on peninsular Baja California Sur. Cactus and Succulent Journal 79(6): 274-275.

From the editor. Haseltonia 13: 2.

The Phoenix Desert Botanical Garden. Cactus World 25(3): 125-136 [plus cover photo]. (Please click here for high-quality page proofs of images)

Northernmost sightings of Bursera microphylla. Cactus and Succulent Journal 79(3): 109.

Corynopuntia marenae. Cactus and Succulent Journal 79(3): 139.

Achlorophyllous Mammillaria grahamii in Tempe, Arizona. Cactus and Succulent Journal 79(1): 4-6.

2006

Coryphantha dasyacantha found in New Mexico…and the cacti at Anthony Gap. Cactus and Succulent Journal 78(4): 184-189.

Echinocereus coccineus var. rosei in Doña Ana County, New Mexico. Cactus and Succulent Journal 78(4): 172-172.

From the editor. Haseltonia 12: 2.

Hiking New Mexico’s Achenbach Canyon. Cactus and Succulent Journal 78(3): 131-136.

Coryphantha recurvata at Sycamore Canyon. Cactus and Succulent Journal 78(3): 146-149.

Nopalea auberi. Cactus and Succulent Journal 78(3): 151.

Cylindropuntia molesta. Cactus and Succulent Journal 78(2): 95.

Opuntia basilaris. Cactus and Succulent Journal 78(2): 72.

2005

Opuntia quitensis. Cactus and Succulent Journal 77(5): 265.

Cacti and succulents at First Water Creek, Superstition Mountains, Arizona. Cactus and Succulent Journal 77(5): 237-243.

Bursera microphylla and surrounding spring wildflowers. Cactus and Succulent Journal 77(4): 196-201.

Flower density on a Cleistocactus species. Cactus and Succulent Journal 77(3): 130-131.

Bursera microphylla in Phoenix, Arizona. Cactus & Succulent Journal 77(3): 146-147.

Cacti along Vekol Wash in south-eastern Sonoran Desert National Monument. British Cactus and Succulent Journal 23(1): 35-40.

Echinocactus polycephalus subsp. xeranthemoides in Marble Canyon. Cactus and Succulent Journal 77(1): 44-45.

2004

Epipactis gigantea in Marble Canyon. Orchids 73(7): 488.

2003

Sex change in cycads [Roy Osborne and Root Gorelick]. Palms and Cycads 76: 10-15.

2002

The printed book is not a dinosaur: letter to the editor. Chronicle of Higher Education 48(48): 4.

2001

Cycad prepollen: description and possible evolutionary consequences of zoidogamy. Cycad Newsletter 24(3): 12-14.

Curved-spined Opuntias. Cactus and Succulent Journal 94(1): 25-27.

2021

Glandulicactus uncinatus var. wrightii at Anthony Gap. Cactus World 39(4): 261-270.

Mammillaria lasiacantha and similar looking species at Anthony Gap, New Mexico. Journal of the Mammillaria Society 61(4): 129-132.

Echinomastus intertextus. Cactus and Succulent Journal 93(3): 197-203. [and cover photo]

Mammillarias of northern New Mexico: M. wrightii and M. meiacantha. Journal of the Mammillaria Society 61(3): 97-101.

Cacti grow smaller in cold environments and larger in warm ones. Cactus and Succulent Journal 93(1): 197-199. [Gorelick R and Gorelick R]

2020

Opuntia basilaris var. heilii. Cactus World 38(4): 293-294.

Coryphantha organensis and other cacti at Soledad Canyon, Organ Mountains, New Mexico. Cactus World 38(4): 269-276.

Cylindropuntia leptocaulis x versicolor. Cactus Explorer 26: 80-82.

Coryphantha missouriensis with pectinate spines. Cactus World 38(3): 238.

Cylindropuntia ramosissima – the diamond cholla. Cactus World 38(3): 195-198.

Cuyama River cacti and succulents. Cactus and Succulent Journal 92(3): 189-207.

2019

Spineless Opuntia fragilis. Cactus and Succulent Journal 91(4): 287-288.

Echinocereus reichenbachii subsp. baileyi. Cactus and Succulent Journal 91(3): 177-181.

Opuntia tortispina. Cactus and Succulent Journal  91(1): 197-198.

2017

Rooting Sinningia leaves. Cactus World 35(3): 222.

Opuntia fragilis in the San Juan Islands. Cactus and Succulent Journal  89(4): 185-188.

Historical records of the range of Opuntia fragilis. Cactus Explorer 18: 41-42.

2015

Hesperoyucca whipplei. Cactus and Succulent Journal 87(6): 269-270.

From the editor. Haseltonia 20: 2. [and cover photos of Agave shawii ssp. goldmaniana and Matucana madisoniorum]

2014

Strange stem architecture of pachycaulous morning glories. Cactus Explorer 13: 88-89.

Sex determination and sex change in cycads: tantalizing new hints. Cycad Newsletter 37(2-3): 29.

Sclerocactus parviflorus amongst the arches. Cactus and Succulent Journal 86(1): 37-39.

From the editor. Haseltonia 19: 2. [and cover photo of Fouquieria columnaris]

2013

Tephrocactus [Root Gorelick and Dan Mahr]. Cactus and Succulent Journal 85(6): 262-276.

Pterocactus. Cactus and Succulent Journal 85(5): 219-221.

What is natural history? CSEE Bulletin 14: 17-19.

2012

Euphorbia antiquorum and James Bond. Cactus and Succulent Journal 84(5): 244-246.

2011

Ferocactus hamatacanthus at Big Bend. Cactus World 29(4): 211-216.

Ariocarpus fissuratus and other cacti at the Dog Canyon Trailhead, Big Bend. Cactus and Succulent Journal 83(4): 146-149.

Isotomous branching at the Zamia furfuracea cone axis. Cycad Newsletter 34(1): 29.

Cacti and agaves at the Grand Canyon’s South Rim. Cactus World 29(1): 27-30.

2010

Coryphantha echinus. Cactus World 28(2): 112.

2009

Dracena draco…in Canada. Cactus and Succulent Journal 81(6): 277. Erratum. Cactus and Succulent Journal 82(1): 31.

From the editor. Haseltonia 15: 2.

Meritorious micranthocerei. Cactus World 27(3): 183-184.

Columnar cacti of eastern Brazil. [Root Gorelick and Graham Charles].

The genera Brasilicereus, Cipocereus, and Pilosocereus in eastern Brazil. Cactus and Succulent Journal 81(3): 126-129, 132-136.

Two more cephalium-bearing cacti: Espostoopsis dybowskii and Facheiroa cephaliomelana subsp. estevesii. Cactus and Succulent Journal 81(3): 137.

Opuntioids of eastern Brazil – Tacinga, Quiabentia, Brasiliopuntia. [Sabrina Mota Lambert and Root Gorelick].

Odd opuntias: Quiabentia and Brasiliopuntia. Cactus and Succulent Journal 81(3): 162.

After a few wet years in southern New Mexico. Cactus and Succulent Journal 81(1): 22-24. 33.

2008

Fouquieria burragei, a rare species from southern Baja. Cactus and Succulent Journal 80(4): 204-207.

From the editor. Haseltonia 14: 2.

Some crested cacti of Baja California. Cactus and Succulent Journal 80(1): 4-6.

2007

Cochemiea halei on peninsular Baja California Sur. Cactus and Succulent Journal 79(6): 274-275.

From the editor. Haseltonia 13: 2.

The Phoenix Desert Botanical Garden. Cactus World 25(3): 125-136 [plus cover photo]. (Please click here for high-quality page proofs of images)

Northernmost sightings of Bursera microphylla. Cactus and Succulent Journal 79(3): 109.

Corynopuntia marenae. Cactus and Succulent Journal 79(3): 139.

Achlorophyllous Mammillaria grahamii in Tempe, Arizona. Cactus and Succulent Journal 79(1): 4-6.

2006

Coryphantha dasyacantha found in New Mexico…and the cacti at Anthony Gap. Cactus and Succulent Journal 78(4): 184-189.

Echinocereus coccineus var. rosei in Doña Ana County, New Mexico. Cactus and Succulent Journal 78(4): 172-172.

From the editor. Haseltonia 12: 2.

Hiking New Mexico’s Achenbach Canyon. Cactus and Succulent Journal 78(3): 131-136.

Coryphantha recurvata at Sycamore Canyon. Cactus and Succulent Journal 78(3): 146-149.

Nopalea auberi. Cactus and Succulent Journal 78(3): 151.

Cylindropuntia molesta. Cactus and Succulent Journal 78(2): 95.

Opuntia basilaris. Cactus and Succulent Journal 78(2): 72.

2005

Opuntia quitensis. Cactus and Succulent Journal 77(5): 265.

Cacti and succulents at First Water Creek, Superstition Mountains, Arizona. Cactus and Succulent Journal 77(5): 237-243.

Bursera microphylla and surrounding spring wildflowers. Cactus and Succulent Journal 77(4): 196-201.

Flower density on a Cleistocactus species. Cactus and Succulent Journal 77(3): 130-131.

Bursera microphylla in Phoenix, Arizona. Cactus & Succulent Journal 77(3): 146-147.

Cacti along Vekol Wash in south-eastern Sonoran Desert National Monument. British Cactus and Succulent Journal 23(1): 35-40.

Echinocactus polycephalus subsp. xeranthemoides in Marble Canyon. Cactus and Succulent Journal 77(1): 44-45.

2004

Epipactis gigantea in Marble Canyon. Orchids 73(7): 488.

2003

Sex change in cycads [Roy Osborne and Root Gorelick]. Palms and Cycads 76: 10-15.

2002

The printed book is not a dinosaur: letter to the editor. Chronicle of Higher Education 48(48): 4.

2001

Cycad prepollen: description and possible evolutionary consequences of zoidogamy. Cycad Newsletter 24(3): 12-14.