Paul R. Posted June 25, 2019 Share Posted June 25, 2019 Looking to ID this Green River fossil leaf if anyone has an ideas? 1 Link to comment Share on other sites More sharing options...
Bobby Rico Posted June 25, 2019 Share Posted June 25, 2019 It is a really nice fossil but I am not sure of the ID. I have some leafs from Green River Formation like Aleophylus flexifolia but it looks different . There are members who really know this formation so they probably be a long soon . Link to comment Share on other sites More sharing options...
piranha Posted June 25, 2019 Share Posted June 25, 2019 Congrats on the great leaf! A quick response from Steve Manchester: Q: Is this Green River specimen Populus tidwellii or perhaps something else? A: Yes, it looks like either Populus cinnamomoides or Populus tidwelli to me. additional reference: Manchester, S.R., Judd, W.S., Handley, B. 2006 Foliage and Fruits of Early Poplars (Salicaceae: Populus from the Eocene of Utah, Colorado, and Wyoming. International Journal of Plant Sciences, 167(4):897-908 PDF LINK 4 Link to comment Share on other sites More sharing options...
Ludwigia Posted June 25, 2019 Share Posted June 25, 2019 Very nice! And great to have a quick id from the experts, eh? Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Paul R. Posted June 27, 2019 Author Share Posted June 27, 2019 Thanks everyone for your assistance, A+! Link to comment Share on other sites More sharing options...
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