where in Sam Hill is the strain I am used to called

xmas tree bud. Great dank old fashioned weed we can now grow? I've researched it but there is no clear strain but 1000s with flavors. I want the weed of my roots (back in the day, 70s, 80s) flavor, smell with today's potency. Do you remember it? It must be out there. There are a couple threads on it but they never get the answer?