exhaustiveMP(data, tree=NULL, method="branch.and.bound")phyDat (Schliep 2011) object containing DNA or other data.method="branch.and.bound")."branch.and.bound" or "exhaustive"."phylo" or "multiPhylo" object that is the MP tree or set of MP trees.  It also returns the parsimony scores in attr(trees,"pscore") or attr(trees[[i]],"pscore") for the ith tree.parsimony in the "phangorn" package (Schliep 2011).mrp.supertree, optim.parsimony, pratchet