If you're like most people, you probably don't know the name of your cactus. And that's perfectly understandable! After all, there are over 2,000 species of cacti, so it can be tough to keep track of them all. But if you're curious about the name of your particular cactus, there are a few ways to find out.
One option is to consult a field guide or other reference book on cacti. Many of these books include extensive lists of cactus species, along with information on their physical characteristics and habitat preferences. This can be a helpful way to identify your cactus if you have a good understanding of plant taxonomy.
Another option is to search for your cactus online. There are several websites devoted to helping people identify plants, and many of them allow users to submit photos for identification assistance. If you have a digital photo of your cactus (or can take one), this can be a quick and easy way to find out its name.
Finally, if all else fails, you can always ask an expert! There are plenty of horticulturists and botanists who would be happy to help you identify your plant - all you need to do is reach out and ask for help.