Green River Plant Multi Plate (partials)

[IonRocks]

I got these at the Denver Show, but wasn't provided with any information on them. I know the seller had a numeric species ID list, these were labeled 46, 8 and 9. But that won't help much. I assume these are from the Eocene Green River formation

[FossilDudeCO]

I can't help with the species ID, but the rock looks VERY similar to the Douglas Pass Green River material, let me see if I can dig up a paper.

I know the Denver Museum of Nature and Science has a large collection since Dr. Ian Miller there is a paleobotanist.

[IonRocks]

They do look like the Douglas pass fossils now that you mention it. 

Im currently going through and photographing my entire collection, and I'm trying to get everything that can be identified identified, so that i don't have to go back and fix it later haha. 

 

A slow process too, only got 60 done in four hours.

[fossilcrazy]

I would not rule out the Parachute formation near Bonanza, UT. The preservation is about the same. The DMNS has a collection from Bonanza,UT also.

[RJB]

Your last photo looks very much like a kind of Poplar. 

 

RB

[abyssunder]

I'm not a plant guy, so these will be just guesses:

Platanus sp. (P. wyomingensis ?)/Macginitiea sp. - the upper one
Populus sp. (P. wilmattae over a P. tidwellii ?),or Pseudosalix sp.(P. handleyi ?) or Salix sp.(S. cockerelli, S. longiacuminata ?) - the lower ones
Lygodium sp. (L. kaulfussii ?) - the left one

 

Steven R. Manchester. FOLIAGE AND FRUITS OF EARLY POPLARS (SALICACEAE: POPULUS) FROM THE EOCENE OF UTAH, COLORADO, AND WYOMING. Int. J. Plant Sci. 167(4):897–908. 2006. pdf

[IonRocks]

Pseudosalix is probably more correct than Salix, I've got a Salix cockerelli and this lead is a lot different.

 

 

But otherwise those genera seem correct, thanks

[doushantuo]

http://journal.frontiersin.org/article/10.3389/fpls.2015.01030/full