File S1 - Infrared Spectroscopy of Pollen Identifies Plant Species and Genus as Well as Environmental Conditions

Included in File S1: Figure S1. Estimation of pollen lipid content. Figure S2. Spectral pre-processing for estimation of carbohydrate-to-protein ratio in pollen. Figure S3. Pollen grain wall composition of Pinales order. Figure S4. PCA of transmission IR spectral data set. Figure S5. PCA of Fagales order. Figure S6. PCA and HCA of Betulacea family.Figure S7. PCA with modelling spectral contribution of triglycerides. Table S1. List of analyzed pollen taxa. (PDF)