Cactus Explorer

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Cactus Explorer Stefan Campbell is an Australian naturalist, habitat guide and science communicator.

Coryphantha erecta & Opuntia sp. Guanajuato MX 🏜️
31/01/2025

Coryphantha erecta & Opuntia sp. Guanajuato MX 🏜️

T. pseudomacrochele subsp. minimus, now Kadenicarpus pseudomacrochele subsp. minimus or even better - Kadenicarpus minim...
31/01/2025

T. pseudomacrochele subsp. minimus, now Kadenicarpus pseudomacrochele subsp. minimus or even better - Kadenicarpus minimus.

This species has a very restricted range in the southernmost part of the Chihuahuan Desert and grows in limestone crevices with little organic matter. They often germinate amongst Cyanobacteria and smaller Selaginella species that have previously colonised silt build up in these xeric niches providing a suitable substrate and microclimate for seeds to germinate in.

Mammillaria muehlenpfordtii, Guanajuato MX 🇲🇽🏜️
30/01/2025

Mammillaria muehlenpfordtii, Guanajuato MX 🇲🇽🏜️

Bipedal dinosaur tracks from ~110 million years ago during the Early Cretaceous Epoch 🦖🏜️ Mexico 📍🇲🇽
30/01/2025

Bipedal dinosaur tracks from ~110 million years ago during the Early Cretaceous Epoch 🦖🏜️ Mexico 📍🇲🇽

Ortegocactus macdougallii (Cochemiea), Oaxaca MX 🏜️🇲🇽
29/01/2025

Ortegocactus macdougallii (Cochemiea), Oaxaca MX 🏜️🇲🇽

Cochemiea conoidea, Nuevo León MX 🇲🇽🏜️
29/01/2025

Cochemiea conoidea, Nuevo León MX 🇲🇽🏜️

Agave macroacantha, Oaxaca, MX 🏜️
28/01/2025

Agave macroacantha, Oaxaca, MX 🏜️

Pelecyphora aselliformis, Chihuahuan Desert, MX 🏜️🇲🇽
28/01/2025

Pelecyphora aselliformis, Chihuahuan Desert, MX 🏜️🇲🇽

Beaucarnea gracilis & Cephalocereus columna-trajani, Puebla MX 🏜️🇲🇽
27/01/2025

Beaucarnea gracilis & Cephalocereus columna-trajani, Puebla MX 🏜️🇲🇽

Strombocactus disciformis in bloom, Querétaro MX 🇲🇽
27/01/2025

Strombocactus disciformis in bloom, Querétaro MX 🇲🇽

Cephalocereus senilis, Hidalgo MX 🇲🇽
26/01/2025

Cephalocereus senilis, Hidalgo MX 🇲🇽

Hesperoyucca whipplei, a small bitypic genus closely related to the genus Yucca, and previously included in it, had real...
26/01/2025

Hesperoyucca whipplei, a small bitypic genus closely related to the genus Yucca, and previously included in it, had really striking colors when stressed in habitat. A few Boojum trees scattered in the background 🏜️🇲🇽

Stenocereus eruca, Baja California, MX 🇲🇽
25/01/2025

Stenocereus eruca, Baja California, MX 🇲🇽

Aztekium ritteri MX 🇲🇽🏜️❤️‍🔥
23/01/2025

Aztekium ritteri MX 🇲🇽🏜️❤️‍🔥

Puebla 😮‍💨🏜️
22/01/2025

Puebla 😮‍💨🏜️

A favourite place - gypsum canyon walls of the Sierra Madre Oriental ⛰️🇲🇽
21/01/2025

A favourite place - gypsum canyon walls of the Sierra Madre Oriental ⛰️🇲🇽

Tillandsia caput-medusae, Puebla MX 🇲🇽
20/01/2025

Tillandsia caput-medusae, Puebla MX 🇲🇽

Aztekium hintonii, Nuevo León MX 🇲🇽🏜️
20/01/2025

Aztekium hintonii, Nuevo León MX 🇲🇽🏜️

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The Cactus Explorer

Hello! ¡Hola!

I'm Stefan, an Australian naturalist, habitat guide, science communicator and owner of Cactus Explorer Tours and Consulting. I am primarily interested in desert and xeric scrubland habitats and ecology - specifically that of the cactaceae (cacti) and their interaction with the environment.

There are almost two thousand species of cacti throughout the Americas, of which many are now threatened or endangered. My primary objective is to generate interest in the lives of cacti and their sympatric companions, aiming to preserve the environments in which these noble plans live.

By doing this, I hope to encourage governments and corporations to see the value in their countries unspoiled nature and motivate them to preserve their natural resources and parks for the future.