Ultrastructure and cytochemistry of Miocene angiosperm leaf tissues
Angiosperm leaf fossils (16.7-25 × 10(6) years by potassium/argon dating) referable to Zelkova were isolated from pyroclastic deposits in the Succor Creek Formation, Oregon. These fossils reveal a three-dimensional structure in mesophyll cell layers and vascular bundles, while transmission electron...
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| Udgivet i: | Proc Natl Acad Sci U S A |
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| Principais autores: | , , , |
| Format: | Artigo |
| Sprog: | Inglês |
| Udgivet: |
National Academy of Sciences
1978
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| Fag: | |
| Online adgang: | https://ncbi.nlm.nih.govhttps://pmc.ncbi.nlm.nih.gov/articles/PMC392755/ https://ncbi.nlm.nih.govhttps://pubmed.ncbi.nlm.nih.gov/16592545/ https://ncbi.nlm.nih.govhttps://doi.org/10.1073/pnas.75.7.3263 |
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