The Aspen Family-Clone Listing spreadsheet has been deprecated. Please refer to the r4st database tool.
Disclaimer: The collection of Populus Aspen materials contains all of Patrick McGovern's (PMG) Crosses and clones created since about 1985. While every effort was made to ensure accurate information, PMG offers no express or implied warranty for its accuracy or liability for the use of these materials. Use this information and materials at your own risk! The current listing data is contained within a spreadsheet. The future direction is to migrate to an online RDBMS database system to capture all project experiments and make them available for robust analysis tools such as the R Statistics tool.
The open4st Aspen Family-Clone Listing is viewable for registered cooperators.