Rhynia_stem.jpg

Description Transverse section of a stem of Rhynia gwynne-vaughanii , Lower Devonian Rhynie chert
Date
Source Own work
Author Plantsurfer
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Items portrayed in this file

depicts

inception

September 2007

exposure time

0.00301477238468495628 second

focal length

25.9 millimetre

MIME type

image/jpeg