#1 Skunk #2 Girl Scout Cookies #3 Bruce Banner #4 Gorilla Glue... What's With The #'s And How Did They Come To Be?

When What And How did this numbering system happen, what's it all about? I'm curious about the history of it all and how far does it go? I think Northen Lights is #5 and OZ is #6.. Does it continue after that?

Plant number most of the time.

i pop say 5 seeds each seed i number is 1,2,3,4,5 etc