Sounds obvious, doesn't it? Whatever you collect in: bags, buckets etc, you want the name of the plant, variety name or description if needed, and if it comes from somewhere other than your garden, you want the location as well. So, you keep a Sharpie or other appropriate marker handy, and label everything as you go, right? Sure, but sometimes- for me, anyway- life gets in the way, or intentions don't quite match up with what happens. a) I'm in a location with multiple species to collect, they are not similar, so I'm sure I'll remember which is which to label them when I get home-- which I would if I did it right away... but weeks or months may pass, and then the memories may be less clear. If I'm lucky, there may be habitat photos of each thing I collected from the occasion to match to the seeds. b) Permanent marker is not so permanent as I'd hoped, and/or my quick field scrawl is illegible. In this case I just have to keep looking and hope I figure it ou