I will defer to those, like Tom, who are smarter than me, which leaves it open to everyone basically.Best treatise on the subject I've found. Despite common lore, "plume" or "bloom" or whatever you call it is rare to the point where it's existence is a valid question. These guys did an amazing write up - recommended reading:
The idea behind the mould study was to shed some light into the world of mould and plume. Earlier in the year we asked for examples of both from members and then selected 10 representative cigars for testing. Testing was undertaken by the team at Australia Biotech Laboratories. In the event that ...www.friendsofhabanos.com
FOH has some serious collectors in its readership. They sent out the call for anyone with a cigar with plume on it, so they could analyze it. Every single one they got their hands on was analyzed by smart, qualified guys as clearly mold. Every. Single. One.I will defer to those, like Tom, who are smarter than me, which leaves it open to everyone basically.
Is it possible that plume is a form of mold? They both grow on an a substance based on time, temperature, and humidity. The organic/non-organic makeup of a substance can influence the type and growth rate of mold/plume.
Just a thought..............