I doubt the amount of work involved would be an issue, Gord, but you may very well be right about the space and hassle vs. foraging.

OTOH, sourdough has a long history of being carried and used by outdoorspeople, and it is IMHO at least as much hassle as sprouting seeds (and a good deal heavier). I am not sure I would carry either on a long hike, but want to understand the issues before I make those decisions.

-- Sam