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.
StomataCounter – A tool for counting stomata for images acquired in a range of ways (light microscopy, SEM); see the preprint here
Arctic Plant Fossils – Catalogue of thousands of fossils from Alaska and Northeastern Russia: Lost World of the Arctic