File Formats notes:
Adobe Acrobat Reader is required to view the Microbotanica summary. If you do not allready have the reader, it is available directly from adobe and is free of charge. Click here.

The .sdf files are presented as .zip files in order to speed up downloads. An extraction utility such as WinZip, PowerZip, or WinRar is necessary to open them. If you do not have any of these programs or a similar utility then pkunzip is available for download here.