Purple skirt, neon green inner region, purple center (ID)

[Logzor]

Any idea what these are, they grow in a perfect mat.

 

[dtpollard]

I think I have seen them called Pluto's at Dr. Macs.
Pluto

 

[hoopersmom]

Those are really nice let me know if you ever have a small frag.

 

[roxy25]

http://zoaid.com/index.php?module=Gallery2&g2_itemId=171