Violaceae - Violet Family (46) go to check list index
        Viola  - violets
         HV. cucullata  Aiton - blue violet
         HV. sororia  Willd. - dooryard violet
         HV. selkirkii  Pursh. - great-spurred violet
         HV. renifolia  A. Gray var. brainerdii  (Greene) Fern.
                              - kidney-leaved violet
         HV. macloskeyi  F. Llyod - small white violet
         HV. blanda  Willd. - sweet white violet
         HV. lanceolata  L. - lance-leaved violet
         HV. X sublanceolata  House
         HV. pubescens  Aiton. - yellow violet
         HV. conspesa  Reichenb. - dog violet
         AV. tricolor  L. - pansy, Johnny-jump-up, introduced

Cucurbitaceae - Guord Family (47) go to check list index
       HEchinocystis
         E. lobata  (Michx) T. & G. - wild or prickly cucumber

Salicaceae - Willow Family (48) go to check list index
     WSalix - willows
         S. pentandra  L. - bay-leaved willow introduced
         S. lucida  Muhl. - shining willow
         S. fragilis  L. - crack-willow introduced
         S. alba  L. - white or French willow
         S. pyrifolia  Andersson - balsam willow, bog willow
         S. eriocephala  Michx. - diamond willow  Marion Zinck and Gleason and Cronquist are confusing
                                                                                                                         about the following three species and include them
                                                                                                                         in S. eriocephala depending on the authority
         S. cordata  Michx. - dune willow
         S. gracilis  Anderss.
         S. rigida  Muhl.
         S. bebbiana  Sarg. - beaked willow
         S. purpurea  L. - purple osier, basket willow, introduced
         S. discolor  Muhl. - pussy-willow
         S. humilis  Marsh - small pussy willow
         S. viminalis  L. - common osier, introduced
         S. eleagnos  Scop.
WPopulus  - poplars go to check list index
         P. alba  L. -  white poplar, silver poplar
         P. tremuloides  Michx. - trembling aspen
         P. grandidentata  Michx. - large-toothed aspen
         P. X canadensis Moench - Carolina poplar
         P. balsamifera  L. - balsam poplar

Brassicaceae(Cruciferae) - Mustard Family (49) go to check list index
        AEruca
         E. sativa Miller. - rocket salad, introduced
       ACakile
         C. edentula (Bigelow) Hook. - sea rocket
     ACapsella
         C. bursa-pastoris (L.) Medikus - Shepherd's purse, introduced
         AThlaspi
         T. arvense  L. - penny cress, stinkweed, introduced
     ALepidium  - pepper-grasses
         L. campestre (L.) R.Br. - field cress, introduced
         L. densiflorum  Schrader - prairie-pepperweed, introduced
     HArmoracia
         A. rusticana  (Lam.) G. M. & S. - horseradish, introduced
     HHesperis
         H. matronalis  L. - mother-of-the-evening, dame's rocket, introduced
       Rorippa
     H R. nasturtium-aquaticum(L.) Hayek. - watercress, introduced
     H R. sylvestris(L.) Besser. - creeping yellow-cress, introduced
     A R. palustris  (L.) Besser. - marsh cress
     HCardamine
         C. diphylla  (Michx.) A. Wood - toothwort
         C.pratensis  L. - cuckoo flower
         C. pensylvanica  Muhl. - bittercress
  AArabis       go to check list index
         A. drummondii  A. Gray
     AAllaria
         A. petiolata  (Bieb.) Cavara&Grande. - garlic-mustard, introduced
     ARaphanus  - radishes
         R. raphanistrum  L. - wild-radish, introduced
     AErucastrum
         E. gallicum (Willd.) O.E. Schulz - dog-mustard, introduced
     ASisymbrium
         S. officinale  (L.) Scop. - hedge-mustard, introduced
     ABarbarea
         B. vulgaris  R. Br. - yellow rocket, winter-cress, introduced
     ASinapis
         S. arvensis  L.  - wild mustard, charlock, introduced
     ABrassica  - mustards
         B. rapa  L. (which includes B. campestris  L.) - field mustard, introduced
         B. juncea  (L.) Czernj. - Chinese mustard, introduced
     AErysimum
         E. cheiranthoides  L. - wormseed-mustard, introduced
     ACamelina
         C. sativa (L.) Crantz. - large-seed false flax, introduced

Empetraceae - Crowberry Family (52)      go to check list index
     WEmpetrum  - crowberries
         E. nigrum  L. var. hermaphroditum (Hagerup) T. Sorensen - black crowberry
     WCorema
         C. conradii  Torr. - broom-crowberry

Ericaceae - Heath Family (53) go to check list index
     WLedum
         L. groenlandicum  Oeder - Labrador tea
     WGaultheria
         G. procumbens  L. - teaberry
         G. hispidula  (L.) Muhl. - creeping snowberry
     WRhododendron
         R. canadense  (L.) Torr. - rhodora
     WKalmia
         K. angustifolia  L. - sheep laurel
         K. polifolia  Wang. - bog-laurel
     WAndromeda
         A. glaucophylla  Link - bog-rosemary
     WChamaedaphne
         C. calyculata  (L.) Moench var. angustifolia  (Ait.) Rehd. - leather-leaf
     WEpigaea
         E. repens  L. var. glabrifolia  Fern. - Mayflower,trailing arbutus
     WVaccinium go to check list index
         V. myrtilloides  Michx. - velvet-leaf blueberry
         V. boreale  I.V. Hall & Aalders - sweet hurts
         V. angustifolium  Aiton (which includes var. brittoni  Porter
                               ex Bickn.) - common lowbush blueberry
         V. vitis-idaea  L. var. minus  Lodd. - foxberry, mountain cranberry
         V. oxycoccus  L. - small cranberry
         V. macrocarpon  Aiton - large cranberry
     WGaylussacia  - huckleberries
         G. dumosa  (Andr. ) T. & G. var. bigeloviana  Fern. - bog huckleberry
         G. baccata (Wang.) K. Koch