Samuel Thayer..yes the author of probably best selling foraging books out there..just put out a video showing his testing research of ramps and whys and more yesterday. Great video for sure.
Heres a link to Forest Farming youtube channel playlist for ramps thats Cornell,Va Tech and maybe couple of more ag schools.Its 6 short video playlist..just hit play and they all should play one right after another in same viewing window frame thingy here.