A cactus is listed for $250,000 on its website. It's a plant called haageocereus tenuis, critically endangered plant that we acquired from a researcher who spent most of his life studying rare ...

A rare species of tree cactus has gone extinct in Florida, in what is believed to be the first species lost to sea level rise ...

The first flower was harvested once it died and is being studied A rare Amazonian cactus that blooms only once a year before its flower dies in just 12 hours has been put under the microscope for ...