Rob Duffy: Sidewalk Botanist gets close and personal with a saxifrage and illustrates the tribulations of using

I borrowed BioBank’s copy of “Poland” to try and resolve the mystery of its identity from a fragment I had taken – comprising fully intact leaves- and found myself keying out Saxifraga umbrosa (Pyrenean saxifrage) , or Saxifrage nivalis (Alpine saxifrage). I was really attracted to the latter because “Poland” refers to “the long wavy...

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