Hello from Orange County California. I've been slowly collecting cactus for years but only recently started trying to identify the lot. Came across this site in my research and found a wealth of information. What a learning experience it's been. So much to learn, so little time. My greatest pleasure...

Thanks for the suggestions on the Mammillaria. Trying to identify with pictures is really hard when so many look alike. Just ordered some tags so future cacti acquisitions and current ones can be labeled. Cheers.

Thanks Neal. Looks like number one is still questionable, your suggestions did narrow it down. Funny how the nursery label says "Lobivia Species" really should say "We're not sure" "Good Luck with that". Number two and three are pretty spot on from what I have followed ...

I have been trying to identify 3 cacti in my collection but have some difficulty on a positive ID. The first was purchased with the label "Lobivia Species" but have narrowed it down to possibly a Echinopsis calochlora or sunrise (maybe). It has not flowered yet and measures about 2 inches ...