Ageratum gaumeri f. fallax B.L.Rob. (original description)
Ageratum panamense B.L.Rob. (original description)
Eupatorium anachoreticum B.L.Rob. accepted as Chromolaena anachoretica (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium arsenei B.L.Rob. accepted as Ageratina arsenei (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium atrocordatum B.L.Rob. accepted as Ageratina atrocordata (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium boyacense B.L.Rob. (original description)
Eupatorium chaseae B.L.Rob. accepted as Chromolaena chaseae (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium corumbense B.L.Rob. accepted as Stomatanthes corumbensis (B.L.Rob.) H.Rob. (original description)
Eupatorium huantae B.L.Rob. accepted as Koanophyllon huantae (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium hylophorbum B.L.Rob. accepted as Hebeclinium hylophorbum (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium hypomalacum var. typicum B.L.Rob. (original description)
Eupatorium loefgrenii B.L.Rob. accepted as Stomatanthes loefgrenii (B.L.Rob.) H.Rob. (original description)
Eupatorium mercedense B.L.Rob. accepted as Fleischmannia mercedensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium mexiae B.L.Rob. accepted as Bartlettina hemisphaerica (DC.) R.M.King & H.Rob. (original description)
Eupatorium microstemon var. perennans B.L.Rob. accepted as Fleischmannia microstemon (Cass.) R.M.King & H.Rob. (original description)
Eupatorium mikaniifolium B.L.Rob. accepted as Bishovia mikaniifolia (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium moralense B.L.Rob. (original description)
Eupatorium morelense B.L.Rob. accepted as Ageratina rufa (Greene) R.M.King & H.Rob. (original description)
Eupatorium moritibense B.L.Rob. accepted as Prolobus nitidulus (Baker) R.M.King & H.Rob. (original description)
Eupatorium pampalcense B.L.Rob. accepted as Ageratina pampalcensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium skutchii B.L.Rob. accepted as Ageratina skutchii (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium tarmense B.L.Rob. accepted as Ageratina tarmensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium toroi B.L.Rob. accepted as Asplundianthus toroi (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium trujillense B.L.Rob. accepted as Chromolaena trujillensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Eupatorium voglii B.L.Rob. accepted as Chromolaena voglii (B.L.Rob.) H.Huber (original description)
Eupatorium yungasense B.L.Rob. accepted as Fleischmannia yungasensis (B.L.Rob.) R.M.King & H.Rob. (original description)
Liatris ohlingerae (S.F.Blake) B.L.Rob. (original description)
Mikania acrensis B.L.Rob. accepted as Mikania lindleyana DC. (original description)
Mikania additicia B.L.Rob. (original description)
Mikania antioquiensis var. subcuneata B.L.Rob. accepted as Mikania banisteriae DC. (original description)
Mikania bradei B.L.Rob. (original description)
Mikania calcarulata B.L.Rob. (original description)
Mikania camporum B.L.Rob. (original description)
Mikania capricorni B.L.Rob. (original description)
Mikania chaseae B.L.Rob. accepted as Mikania additicia B.L.Rob. (original description)
Mikania cordata (Burm.f.) B.L.Rob. (original description)
Mikania eriostrepta B.L.Rob. (original description)
Mikania hoehnei B.L.Rob. (original description)
Mikania hookeriana var. badieri (DC.) B.L.Rob. accepted as Mikania hookeriana DC. accepted as Mikania houstoniana (L.) B.L.Rob. (original description)
Mikania hookeriana var. cardiophylla B.L.Rob. accepted as Mikania houstoniana (L.) B.L.Rob. (original description)
Mikania hookeriana var. kittsiana (Urb.) B.L.Rob. accepted as Mikania houstoniana (L.) B.L.Rob. (original description)
Mikania hookeriana var. platyphylla (DC.) B.L.Rob. accepted as Mikania houstoniana (L.) B.L.Rob. (original description)
Mikania hookeriana var. typica B.L.Rob. (original description)
Mikania infesta B.L.Rob. (original description)
Mikania iquitosensis B.L.Rob. (original description)
Mikania klugii B.L.Rob. (original description)
Mikania lawrancei B.L.Rob. (original description)
Mikania malacolepis B.L.Rob. (original description)
Mikania minima (Baker ex Baker) B.L.Rob. (original description)
Mikania panamensis B.L.Rob. accepted as Mikania amblyolepis B.L.Rob. (original description)
Mikania phaeoclados var. typica B.L.Rob. (original description)
Mikania pilcomayensis (Hassl.) B.L.Rob. (original description)
Mikania sagittifera B.L.Rob. (original description)
Mikania stenomeres B.L.Rob. (original description)
Mikania stereolepis B.L.Rob. accepted as Mikania sylvatica Klatt (original description)
Mikania trachypleura B.L.Rob. accepted as Mikania ypacarayensis W.C.Holmes & McDaniel (original description)
Mikania vitifolia f. cryptodonta (B.L.Rob.) B.L.Rob. accepted as Mikania vitifolia DC. (original description)
Mikania vitifolia f. typica B.L.Rob. (original description)
Mikania werdermannii B.L.Rob. (original description)
Mikania yapasensis B.L.Rob. accepted as Mikania cordifolia (L.f.) Willd. (original description)
Piqueria standleyi B.L.Rob. accepted as Koanophyllon standleyi (B.L.Rob.) R.M.King & H.Rob. (original description)
Stevia anisostemma var. typica B.L.Rob. (original description)
Stevia anisostemma var. wagneri B.L.Rob. accepted as Stevia anisostemma Turcz. (original description)
Stevia batesii B.L.Rob. accepted as Stevia tomentosa Kunth (original description)
Stevia benderi var. cardenasii B.L.Rob. accepted as Stevia benderi Perkins (original description)
Stevia benderi var. typica B.L.Rob. (original description)
Stevia dubia B.L.Rob. (original description)
Stevia ophryodonta B.L.Rob. (original description)
Symphyopappus tetrastichus B.L.Rob. accepted as Goyazianthus tetrastichus (B.L.Rob.) R.M.King & H.Rob. (original description)
Trilisa carnosa (Small) B.L.Rob. accepted as Litrisa carnosa Small (original description)