Caption: Expanding the Known Boundaries of My Ignorance
Photographer: Ken-ichi Ueda
Locality: Oakland, California, United States (37.84233, -122.194373)
Notes: I went on a moss walk this morning with the CA Native Plants Society. A friend recommended it after I posted a pic of what I thought was a moss a few weeks back (it was actually a leafy liverwort in the genus <i>Porella</i>), and I knew absolutely zero about mosses, so I joined up. I now know the following things about mosses: 1) They