Lichen metabolism identified in Early Devonian terrestrial organisms
@article{Jahren2003LichenMI, title={Lichen metabolism identified in Early Devonian terrestrial organisms}, author={A. Jahren and Steven Porter and Jeffrey J. Kuglitsch}, journal={Geology}, year={2003}, volume={31}, pages={99-102} }
We used δ 1 3 C values to identify lichen metabolism in the globally distributed Early Devonian (409-386 Ma) macrofossil Spongiophyton minutissimum, which had been alternatively interpreted as a green plant of bryophyte grade or as a lichen, based on its morphology. Extant mosses and hornworts exhibited a range of δ 1 3 C t i s s u e values that was discrete from that of extant lichens. The δ 1 3 C t i s s u e values of 96 S. minutissimum specimens coincided with δ 1 3 C t i s s u e values of… CONTINUE READING
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