Herbarium specimen image of Parmelia perlata (Huds.) Ach., part of the collection of Natural History Museum London

Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.

Content of this deposition:

- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.
- A JPEG image file of the scanned herbarium sheet.
- A lossless TIFF image from which the JPEG image has been derived.
- Two PNG files containing segmented image overlays of the scanned herbarium sheet. The _all extension indicates that all labels, color charts and pieces of text have received a different color against a black background color. The _sel extension indicates that these elements are white if they're barcode labels, yellow if they're color charts and red if they're anything else.