Please find here additional documents associated with this project. Occasionally MorphoBank receives matrices that are not formatted to parse to the database, these can also be found here, along with others and are presented 'as is' from the scientist.
4 Documents
Image Reproduction Agreement (Downloaded 1 time 
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)This document was prepared mid-2020 during the COVID-19 pandemic when the ROM was closed to the public and most ROM staff were working from home or furloughed. As a result, the only copy available was one watermarked "Draft," and this was duly signed by the project owner (TAD) and by the ROM's Deputy Director Collections & Research, Mark D. Engstrom.
Review of Leaf Venation Methods to accompany “Infrageneric nomenclature in Crataegus — Leaf venation correlates” (MorphoBank P3190) (Downloaded 1 time )
)Milne (2022). A review of methods for imaging leaf venation, including variations of nature printing, clearing and staining, and x-rays.
Soft X-ray Imaging of Crataegus Leaf Venation
Dickinson & Harding (2021). Description of the history and curation of the ROM collection of hawthorn leaf x-rays.
X-raying Botanical Specimens Using the Faxitron
Ross (2008). Description of the Faxitron settings and film developing procedures used to produce x-ray images of hawthorn leaves.
to emphasize its availability for reuse.