Jeff Moore is a professor of geology and geophysics at the University of Utah. He uses field observations and monitoring data ...

Saguaro cactuses are an iconic symbol of the American Southwest and the country's largest cactus species. But the world-famous cactuses are beginning to wither and die amidst the state’s ...

Biologists continue to debate the genealogy of the cactus family, even differing by a factor of 10 about how many different genera there are. A study based on new genome sequences of four columnar ...

Aim:Pilosocereus is one of the richest and most widespread genera of columnar cacti, extending from south-west USA to southern Brazil. Most species occur in the seasonally dry tropical forest biome ...

AbstractPlant-pollinator interactions are great model systems to investigate mutualistic relationships. We compared pollinator effectiveness between facultative and obligate nectar-feeding bats to ...

It's a remarkable sight: a tiny, rocky island, no more than three square kilometers in size, absolutely packed with large columnar cacti. Located in the Gulf of Mexico, Isla San Pedro Mártir (pictured ...