/usr/share/perl5/Bio/Tree/ is in libbio-perl-perl 1.7.2-2.
This file is owned by root:root, with mode 0o755.
..
/usr/share/perl5/Bio/Tree/AlleleNode.pm
/usr/share/perl5/Bio/Tree/AnnotatableNode.pm
/usr/share/perl5/Bio/Tree/Compatible.pm
/usr/share/perl5/Bio/Tree/DistanceFactory.pm
/usr/share/perl5/Bio/Tree/Draw/
/usr/share/perl5/Bio/Tree/Draw/Cladogram.pm
/usr/share/perl5/Bio/Tree/Node.pm
/usr/share/perl5/Bio/Tree/NodeI.pm
/usr/share/perl5/Bio/Tree/NodeNHX.pm
/usr/share/perl5/Bio/Tree/RandomFactory.pm
/usr/share/perl5/Bio/Tree/Statistics.pm
/usr/share/perl5/Bio/Tree/Tree.pm
/usr/share/perl5/Bio/Tree/TreeFunctionsI.pm
/usr/share/perl5/Bio/Tree/TreeI.pm
/usr/share/perl5/Bio/TreeIO/NewickParser.pm
/usr/share/perl5/Bio/TreeIO/TreeEventBuilder.pm
/usr/share/perl5/Bio/TreeIO/cluster.pm
/usr/share/perl5/Bio/TreeIO/lintree.pm
/usr/share/perl5/Bio/TreeIO/newick.pm
/usr/share/perl5/Bio/TreeIO/nexml.pm
/usr/share/perl5/Bio/TreeIO/nexus.pm
/usr/share/perl5/Bio/TreeIO/nhx.pm
/usr/share/perl5/Bio/TreeIO/pag.pm
/usr/share/perl5/Bio/TreeIO/phyloxml.pm
/usr/share/perl5/Bio/TreeIO/svggraph.pm
/usr/share/perl5/Bio/TreeIO/tabtree.pm