Portulacaceae - Purslane Family (34) go to check list index

Molluginaceae - Carpet-weed Family (35) go to check list index
     AMollugo
       M. verticillata L. - carpet-weed

Caryophyllaceae - Pink Family (36) go to check list index
     ASpergularia  - sand-spurreys
         S. rubra  (L.) J. & C. Presl - sand spurrey
         S. marina  (L.) Griseb.
         S. canadensis  (Pers.) D. Don - seaside sand spurrey
     ASpergula - spurreys
         S. arvensis  L. - spurrey, pineweed, thousand-joint, introduced
         HCerastium - chickweeds
         C. vulgatum  L. var. hirsutum  Fries - mouse-ear chickweed, introduced
         C. arvense  L. - field chickweed, introduced
      HSagina  - pearlworts
         S. procumbens  L. - pearlwort, introduced
        Stellaria  - stitchworts
         HS. humifusa  Rottb. - salt-marsh stitchwort
         AS. media  (L.) Cyrillo - common chickweed, introduced
         HS. graminea  L. - grass-leaved stitchwort, introduced
         HS. longifolia  Muhl. - long-leaved stitchwort
         HS. borealis  Bigelow - northern stitchwort
HHonchenya go to check list index
         H. peploides  (L.) Ehrh. var. robusta  (Fern.) House - seabeach sandwort
      HArenaria  - sandworts
         A. lateriflora  L. - grove sandwort
     ADianthus  - pinks
         D. armeria  L. - Deptford pink
      HSaponaria
         S. officinalis  L. (cultivar with double flowers) - soapwort, bouncing-bet,
                                                                                              introduced
        Silene  - campions
                 HS. vulgaris  (Moench) Garcke - bladder campion, introduced
         [HS. dioica  (L.) Clairv. - red cockle, red campion, introduced]
         [AS. noctiflorumL. - night-flowering catchfly]
         [AS. lateriflora  Poiret - white campion, white cockle, introduced]

Polygonaceae - Buckwheat Family (37) go to check list index
        Rumex  - sorrels and docks
         HR. pallidus  Bigel - sea-beach dock
         HR. orbiculatus  A. Gray - water dock
         HR. crispus  L. - curled dock, introduced
         HR. obtusifoliusL. - blunt-leaved dock
         AR. maritimus  L. var. fueginus  (Phil.) Dusen. - golden dock
         HR. acetosella  L. - sheep-sorrel, introduced
         HR. acetosa  L. - garden sorrel, sourdock, introduced
      HRheum
         R. rhabarbicum  L. - rhubarb, introduced, escape from
                                      cultivation
Polygonum  - knotweeds and smartweeds go to check list index
         AP. ramosissimumMichx. - bushy knotweed
         AP. aviculare  L. - introduced
         AP. fowleri  B.L. Robinson
         HP. amphibiumL. var. fluitans  (Eat.) Fern. - water smartweed
         HP. punctatumElliot - dotted smartweed
         AP. lapathifoliumL. - dock-leaved smartweed
         AP. pensylvanicum  L. - pinkweed
         AP. persicaria var.  persicariaL. - lady's-thumb, introduced
                              var.  dubium
         AP. hydropiper  L. - water-pepper, introduced
         AP. sagittatum  L. - tear-thumb
         AP. arifolium  L. var. pubescens (Keller) Fern.
         AP. scandensL. - climbing false buckwheat
         HP. cilinode  Michx. - fringed bindweed
         AP. convolvulus L.  - wild buckwheat, black bindweed, introduced
          HP. cuspidatum  Sieb. & Zucc. - Japanese knot-weed, introduced

Plumbaginaceae - Leadwort Family (38) go to check list index
      HLimonium
         L. carolinianum  (Walter) Britton - sea-lavender, marsh rosemary

Elatinaceae - Waterwort Family (38) go to check list index
      HElatine
         E. minima  (Nutt.) Fischer & C.A. Meyer - waterwort

Clusiaceae - St. John's-wort Family (40) go to check list index
      HHypericum  - St. John's-wort
         H. perforatum  L. - common St. John's-wort
         H. ellipticum  Hook.
         H. boreale  (Britton) E. Bickn.
         H. mutilum  L.
         H. canadense  L.
      HTriadenum  - marsh St. John's-wort
         T. fraseri  (Spach) Gleason

Tiliaceae - Linden Family (41) go to check list index
      WTilia  - linden, basswoods
         T. cordata  Mill. - introduced
         T. platyphyllos  Scop. - introduced from Europe (European linden)

Malvaceae - Mallow Family (42)go to check list index
     HMalva
         M. moschata  L. - musk-mallow, introduced
         M. alcea  L. - introduced

Sarraceniaceae - Pitcher-plant Family (43) go to check list index
     HSarracenia  - pitcher-plant
         S. purpurea  L.

Droseraceae - Sundew Family (44) go to check list index
     HDrosera  - sundew
         D. rotundifolia  L. - round-leaved sundew
         D. intermedia  Hayne - narrow-leaved sundew

Cistaceae - Rockrose Family (45) 
      WHudsonia
         H. tomentosa  Nutt. - woolly Hudsonia
      HLechea
         L. intermedia  Leggett - pinweed