Measuring support and finding unsupported relationships in supertrees.

Ambrose Monell Cryo Collection http://research.amnh.org/amcc/ Humbold State University http://www.humboldt.edu/∼bsa2/collection.html#tissues Louisiana State University http://www.museum.lsu.edu/LSUMNS/Museum/NatSci/tissues.html Museum of Southwestern Biology http://nix.msb.unm.edu/test/queryform.php Museum of the North, Alaska http://www.uaf.edu/museum/af/ Museum of Vertebrate Zoology, Berkeley http://www.mip.berkeley.edu/mvz/collections/TissueCollection.html Smithsonian National Museum of Natural History http://www.mnh.si.edu/rc/ South Australian Museum http://www.samuseum.sa.gov.au/orig/ebu.htm Texas A&M http://wfscnet.tamu.edu/tcwc/tissue collection.htm The Field Museum, Chicago http://www.fieldmuseum.org/research collections/default.htm The Natural History Museum, London http://www.nhm.ac.uk/zoology/zoocollect.html University of Washington, Burke http://www.washington.edu/burkemuseum/tissuepolicy.html