Toothpick Cactus with Two Rosettes – Desert Botani… Let's Get Potted! – Desert Botanical Garden, Papag… On Balance, a Star – Desert Botanical Garden, Papa… Mammillaria melanocentra subsp. rubrograndis – Des… Saguaro Cactus Nesting Holes – Desert Botanical Ga… Upside, Downside – Desert Botanical Garden, Papago… Limestone Buttes – Desert Botanical Garden, Papago… Quiver Tree, #1 – Desert Botanical Garden, Papago… Quiver Tree, #2 – Desert Botanical Garden, Papago… Standing Sentry, Take #2 – Desert Botanical Garden… Senita Cactus – Desert Botanical Garden, Papago Pa… Cactus Burst – Desert Botanical Garden, Papago Par… Crested Saguaro Cactus – Desert Botanical Garden,… A Prickly Minuet – Desert Botanical Garden, Papago… An Enchanted Forest – Desert Botanical Garden, Pap… Seeing Pink – Desert Botanical Garden, Papago Park… Saguaro Skeleton – Desert Botanical Garden, Papago… Fallen Saguaro, Take #1 – Desert Botanical Garden,… Fallen Saguaro, Take #2 – Desert Botanical Garden,… Like Lemon Drops – Desert Botanical Garden, Papago… Day-Glo Pickle Prickles – Desert Botanical Garden,… Eriosyce subgibbosa – Desert Botanical Garden, Pap… Playing the Line – Desert Botanical Garden, Papago… Totem Pole Cactus – Desert Botanical Garden, Papag… Spotted Emu Bush – Desert Botanical Garden, Papago… Spoken For – Desert Botanical Garden, Papago Park,… Three's a Crowd – Desert Botanical Garden, Papago… Mammillaria compressa – Desert Botanical Garden, P… Creeping Devil, Take #1 – Desert Botanical Garden,… Creeping Devil, Take #2 – Desert Botanical Garden,… "Dinosaur Back" Cactus, Take #1 – Desert Botanical… "Dinosaur Back" Cactus, Take #2 – Desert Botanical… "Transvaal Candelabra Tree" – Desert Botanical Gar… Mountain Aloe – Desert Botanical Garden, Papago Pa… Powder Puffs – Desert Botanical Garden, Papago Par… Out of Kilter Cactus – El-Muraqa Monastery, Daliya… Cactus Garden – El-Muraqa Monastery, Daliyat al-Ka… Cactus Garden, Take #2 – El-Muraqa Monastery, Dali… Brother Elias' Grave – El-Muraqa Monastery, Daliya… Garden Pump – El-Muraqa Monastery, Daliyat al-Karm… Cactus Garden, Take #3 – El-Muraqa Monastery, Dali… Cactus Garden, Take #5 – El-Muraqa Monastery, Dali… Bambi and Friends – El-Muraqa Monastery, Daliyat a… A Consort of Vials – El-Muraqa Monastery, Daliyat… Chickens in a Basket – El-Muraqa Monastery, Daliya… Hodgepodge – Desert Botanical Garden, Papago Park,… The Fickle Finger of Fate – Desert Botanical Garde… Saguaro Cactus – Desert Botanical Garden, Papago P… Neatly Nested – Desert Botanical Garden, Papago Pa… Cactus Fruit, #3 – Desert Botanical Garden, Papago… Cactus Fruit, #2 – Desert Botanical Garden, Papago… Cactus Fruit, #1 – Desert Botanical Garden, Papago… A Prickly Inukshuk – Desert Botanical Garden, Papa… Chain Fruit Cholla – Desert Botanical Garden, Papa… Let's Do the Twist! – Desert Botanical Garden, Pap… Bokeh in the Desert – Desert Botanical Garden, Pap… Getting into Shapes – Desert Botanical Garden, Pap… Golden Barrel Cactus – Desert Botanical Garden, Pa… "Traveler’s Friend" Cactus – Desert Botanical Gard… Accidental Fractals – Viewed from the Chapel of th… Élan vital – Viewed from the Chapel of the Holy Cr… Reaching for the Top – Allens Bend Trail, Sedona,… Haworthia greenii – Desert House, Princess of Wale… Euphorbia fortissima – Desert House, Princess of W… Echinopsis aff. Strigosa – Desert House, Princess… Positively Reptilian! – Desert House, Princess of… On Pins and Needles – Brooklyn Botanic Garden, New… Still Life With Cactus – Brooklyn Botanic Garden,… The Coat of Arms of Mexico – Taqueria Vallarta, 24… Prickly Pears – San Francisco Botanical Garden, Go… "Crown of Thorns" Spurge – Botanical Garden, Montr… On a Spurge – Botanical Garden, Montréal, Québec Trichodiadema bulbosum – Botanical Garden, Montréa… Donald's Crown Revisited – Botanical Garden, Montr… "In the Town Where I Was Born ..." – Botanical Gar… Parodia Comparapana – Botanical Garden, Montréal,… Snowball Cactus, Take #2 – Botanical Garden, Montr… Snowball Cactus, Take #1 – Botanical Garden, Montr… "Donald’s Crown" – Botanical Garden, Montréal, Qué… The Cactus Room – Botanical Garden, Montréal, Québ… "Crown" Cactus – Botanical Garden, Montréal, Québe… Astrophytum ornatum – Botanical Garden, Montréal,… Queen Sago – Botanical Garden, Montréal, Québec "Don't Touch Me; Don't Leave Me!" – Botanical Gard… "Bald Old Man" Cactus – Botanical Garden, Montréal… Turk’s cap cactus – Botanical Garden, Montréal, Qu… Ruffled Head Gear – Botanical Garden, Montréal, Qu… Pink Cactus Flowers – Botanical Garden, Montréal,… Melocactus Conoideus – New York Botanical Garden,… Desert Flower – Phipps Conservatory, Pittsburgh, P… Desert Flower – Phipps Conservatory, Pittsburgh, P… A Prickly Embrace – Phipps Conservatory, Pittsburg… Golden Barrel Cacti – Phipps Conservatory, Pittsbu… Golden Barrel Cactus – Phipps Conservatory, Pittsb… A Pyramid of Cactus – Phipps Conservatory, Pittsbu… Golden Rat Tail Cactus – United States Botanic Gar… Candelabra Cactus – Bloedel Conservatory, Queen El… Golden Barrel Cactus – Phipps Conservatory, Pittsb… Nurturing, Desert Style – Phipps Conservatory, Pit… Ball Cactuses – Phipps Conservatory, Pittsburgh, P… Desert Flowers – Phipps Conservatory, Pittsburgh,… Hatpin Barrel Cactus – United States Botanic Garde… Organ Pipe Cactus – United States Botanic Garden,… Golden Rat Tail Cactus – United States Botanic Gar… Crown of Thorns Cactus #2 – Brookside Gardens Crown of Thorns Cactus – Brookside Gardens "Pork and Beans" – National Arboretum, Washington…