Epicystis Crucifer vs Phymanthus Crucifer?

[SamMule]

Whats the difference? I've seen RFAs described with both names, but can't find anything that says different species or just different name?

 

[Ron Reefman]

I've done a lot of work with RFAs and never paid an attention to the scientific name. I don't know if there is any 'serious' difference between them or not.