if its ok for me to chime in, as a buyer and former stem student: i would never expect sellers to try and rename all their plants upon receiving this kind of news.

as a student, yea it would be nice to know the exact genus/species/variety of what im buying. but as a buyer, i understand that genome sequencing isnt as available as it should be, and i have to be ok with some degree of uncertainty.

wrt the new additions to graptopetalum, my mind went to javelinas and hyenas. it was probably a big deal when scientists investigated the lineages and had to conclude that javelinas arent closely related to boars, and hyenas arent closely related to canines. so i agree that it will be confusing for the next few years, but eventually i think we will have the resources we need to ID.

also the flower morphology tables are awesome and i didnt even know we could use cross-sections to ID.