Yeah, it was a marketing gimmick: I remember buying "tie sticks", which was marijuana tied to a stick.

Speaking of trained botanists, here is a wonderful episode of "Crime Pays But Botany Doesn't" called "Tony Santoro's Trackside Botany/Ditchweed Tutorial".

https://www.youtube.com/watch?v=CG29eXY8e3A&ab_channel=Crime...

And here's another enlightening one about magic mushrooms called "The Ethnomycology of Ugly Landscaping":

https://www.youtube.com/watch?v=RHRgY8fZNv4&ab_channel=Crime...