Lycopodiaceae - Clubmoss Family (1)            go to check list index
      HHuperzia - fir-moss
         H. lucidula (Michx.) Trevison - shining fir-moss
    HLycopodiella
         L. inundata Holub - bog clubmoss
    HLycopodium  - clubmosses
         L. clavatum L.
         L. annotinum  L. var. annotinum   - bristly clubmoss
                                var. acrifolium  Fern.
                                var. pungens (LaPylaie) Desv.
         L. obscurum L. - ground pine
     HDiphasiastrum
         D. stichense (Rupr.) Holub
         D. complanatum (L.) Holub
         D. tristachyum (Pursh) Holub - ground-cedar
         D. digitatum (Dillenius) Holub - crowfoot clubmoss or running pine

Isoëtaceae - Quillwort Family (3)       go to check list index
     HIsoëtes  - quillworts
         I. echinospora- Dur. - quillwort
 
 

Equisetaceae - Horsetail Family (4)       go to check list index
     HEquisetum  - horsetails and scouring rushes
         E. fluviatile L. - water horsetail
         E. sylvaticum  L. - wood horsetail
         E. arvense L. - field horsetail
         E. pratense L. - meadow horsetail
 
 

Ophioglossaceae - Adder's Tongue Family (5)   go to check list index
     HBotrychium  - grape-ferns
         B. matricariaefolium  A. Br. - daisy-leafed grape-fern
         B. virginianum (L.) Sw. - rattlesnake fern

Osmundaceae - flowering ferns (6)     go to check list index
     HOsmunda
         O. regalis L. var. spectabilis  (Willd.) Gray - royal fern
         O. claytoniana L. - interrupted fern
         O. cinnamomea L. - cinnamon fern

Dennstaedtiaceae (9)      go to check list index
      HPteridium
         P. aquilinum (L.) Kuhn var. latiusculum  (Desv.) Underw.- bracken
      HDennstaedia
         D. punctilobula(Michx..) Moore - hay-scented fern

Thelypteridaceae - marsh fern family (10)      go to check list index
     HThelypteris
         T. noveboracensis (L.) Nieuwl. - New York fern
         T. palustris (Salisb.) Schott. - marsh fern
         HPhegopteris
         P. connectilis (Michx.) Watt. - beech fern

Dryopteridaceae - wood fern family (13)      go to check list index
      HOnoclea
         O. sensibilis L. - sensitive fern
      HMatteuccia
         M. struthiopteris (L.) Todaro var. pensylvanica  (Willd.)
                         CV Morton - ostrich fern or fiddlehead fern
     HPolystichum
         P. acrostichoides (Michx..) Schott. - Christmas fern
     HDeparia
         D. acrostichoides (Swartz)M. Kato. - silvery spleenwort
     HAthyrium
         A. filix-femina (L.) Roth var. angustum  (Willd.) G. Lawson
                                        - northern lady fern
     HDryopteris
         D. intermedia (Muhl.) Gray - evergreen wood fern
         D. campyloptera (Kunze) Clarkson - eastern spreading wood
                                                    fern
         D. carthusiana (Vill.) Fuchs - spinulose wood fern
         D. marginalis (L.) Gray - marginal fern
         D. cristata (L.) Gray - crested shield fern
     HGymnocarpium
         G. dryopteris (L.) Newm. - oak fern

Polypodiaceae - polypody family (14)      go to check list index
     HPolypodium
         P. virginianum L. - rock polypody

Taxaceae - Yew Family (15)     go to check list index
   WTaxus  - yew
         T. canadensis Marsh. - Canada yew

Pinaceae - Pine Family (16)     go to check list index
     WAbies - fir
         A. balsamea (L.) Mill. - balsam fir
     WPicea  - spruce
         P. glauca (Moench) Voss - white spruce
         P. rubens Sarg. - red spruce
         P. mariana (Mill.) BSP. - black spruce
     WTsuga  - hemlock
         T. canadensis (L.) Carr.
   WLarix - larch
         L. laricina (DuRoi) K.Koch - tamarack, hackmatack
     WPinus  - pine
      subgen. Strobus - haploxylon or soft-needled pines
         P. strobus  L. - white pine
      subgen. Pinus - diploxylon or hard-needled pines
         P. resinosa Ait. - red pine
         P. sylvestris L. - Scots (Scotch) pine, introduced
         P. banksiana Lamb. - jack pine

Cupressaceae - Cypress Family (17)     go to check list index
     WThuja  - arbor vitae
         T. occidentalis L. - eastern white cedar
     WJuniperus  - juniper
         J. communis L. var. depressa  Pursh. - ground juniper, common juniper