Day 165: It's hard for me to make any progress along the trail when it's flanked by alder trees because that's where I'm likely to find one of my favourite lichens, the tiny (1/4" long) dashes of Graphis scripta. That said, I have made an observation which has so far held true: height matters. I always have to bend down to locate it. I have not yet seen it more than 3.5" from the ground regardless of exposure. None of my field guides mention this phenomenon and indeed it may not be universal. There are still a lot of alders out there which I haven't checked. I may never get where I'm going!
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