3. Other Useful Links
- International Commission on Stratigraphy - standardised stratigraphy on a global scale.
- CLAMP (Climate Leaf Analysis Multivariate Program) - A tool for inferring palaeoclimate based on correlations of leaf phyisognomic characters of angiosperm leaves with climate variables for modern vegetation types.
- The Cuticle Database - An online image database of leaf cuticles prepared from vouchered herbarium specimens.