"Aureolaria virginica" Bacopa "Bacopa caroliniana" "Bacopa egensis" "Bacopa eisenii" "Bacopa innominata" "Bacopa monnieri" "Bacopa repens" "Bacopa rotundifolia" Bartsia "Bartsia alpina" Bellardia "Bellardia latifolia" "Bellardia trixago" "Bellardia viscosa" Bontia "Bontia daphnoides" Boschniakia "Boschniakia rossica" Brachystigma "Brachystigma wrightii" Buchnera "Buchnera americana" "Buchnera floridana" "Buchnera obliqua" Buddleja "Buddleja davidii" "Buddleja indica" "Buddleja lindleyana" "Buddleja madagascariensis" "Buddleja marrubiifolia" "Buddleja racemosa" "Buddleja racemosa var. incana" "Buddleja racemosa var. racemosa" "Buddleja saligna" "Buddleja scordioides" "Buddleja sessiliflora" "Buddleja utahensis" Callitriche "Callitriche brutia" "Callitriche brutia var. hamulata" "Callitriche fassettii" "Callitriche hermaphroditica" "Callitriche heterophylla" "Callitriche longipedunculata" "Callitriche marginata" "Callitriche palustris" "Callitriche pedunculosa" "Callitriche peploides" "Callitriche stagnalis"