Ferns and Fern Allies of



Annotated June 2006 revised August 2008 by Don Lubin

41 taxa seen, 14 not seen


LYCOPODIACEAE     Club-moss Family              


Diaphasiastrum digitatum (Dillen. ex A. Braun)           X Not seen


                Southern running-pine

Huperzia lucidula (Michx.) Trev.                                    a few, upper Spero trail

                Shining fir-moss

Lycopodium clavatum L.                                                   X Not seen

              Staghorn or Running club-moss




Selaginella apoda (L.) Spring.                                          Seen by Ray Abair

                Meadow spike-moss

S. rupestris (L.) Spring.                                                       Occasional on rocks on the cobble.

                Rock spike-moss


EQUISETACEAE    horsetails


Equisetum arvense L.

                Field horsetail, Common horsetail                   Fairly common in many of the wet areas

E. fluviatile L.

                River horsetail, Water horsetail                         X  Not seen

E. hyemale L. var. affine (Engelm.) A.A. Eaton             A few stems behind W parking lot for Ashley House, near bridge,

                Scouring rush                                                            and scattered along Ledges and Baily Trail

E. sylvaticum L. (incl. var. pauciramosum Milde)         swamp edge,

                Woodland horsetail                                                 SE corner of back yard of Ashley House

E. variegatum Schleicher ex Weber & Mohr

                Variegated scouring rush                                    X  Not seen




Botrychium dissectum Spreng. incl. var. obliquum (Muhl. ex Willd. Chute)                                           

                Lace-leaf grapefern                                            X   Not seen, but it is too early in the season

B. matricariifolium (Doll) A. Broun ex W.D.J. Kochh

                Daisy-leaf moonwort                                          X  Not seen

B. multifidum (Gmel.) Rupr.                                              X  Not seen

                Leathery grapefern

B. virginianum (L.) Sw.                                                      Two plants at top of Craggy Knoll Trail and

                Rattlesnake fern                                                  one plant 10’ S of Tulip Tree Trail , above Boulder Trail

Ophioglossum pusillum Raf.                                            X  Not seen

                Northern adder’s tongue   


Osmunda cinnamomea L.                                                  Locally abundant in wet areas

                Cinnamon fern

O. claytonia L.                                                                     Common

                Interrupted fern

O. regalis L. var.spectabilis (Willd.) A. Gray                 a few scattered plants,

                Royal fern                                                             one plant with Cinnamon and Interrupted on Baily Trail


Adiantum pedatum L.                                                         Locally abundant

                Maidenhair fern

Asplenium x ebenoides R.R. Scott                                   X  Not seen         

                (A.platyneuron x A.rhizophyllum)

                Scott’s spleenwort

A. platyneuron  (L.) B.S.P.                                               Fairly common on cobble

                Ebony spleenwort

A. rhizophyllum L.                                                               Occasional on cobble; one large colony

                Walking fern

A. ruta-muraria L.                                                               several on ledge above west end of Craggy Knoll Trail

                Wall rue, Wall rue spleenwort

A. trichomanes L.                                                                Quite common on cobble rock crevices

                Maidenhair spleenwort      

Athyrium filix-femina (L.) Roth

                var. angustum (Willd.) G. Lawson                    Abundant

                Northern lady fern


Cystopteris bulbifera (L.) Bernh.                                     Very common not only on and below cobble rocks, but even

                Bulblet fern, Bulblet bladder fern                        along roadsides in places one might expect Hayscented fern

C. tenuis (Michx.) Desv.                                                     Occasional on cobble rocks

                (= fragilis var. mackayi Lawson)

                MacKay’s fragile fern, Brittle fern


Deparia acrostichoides (Swartz) M. Kato                     Scattered, locally abundant

                (= Athyrium thelypteroides (Michx.) Desv.)

                Silvery spleenwort, Silvery glade fern

Dennstaedtia punctilobula (Michx.) T. Moore             Limited to south end of upper Spero Trail, that I saw

                Hay-scented fern

Diplazium pycnocarpon (Spreng.) M. Broun                 Several plants below Ledges Trail near Corbin's Neck

                (= Athyrium p. (Spreng.) Tidestrom)                    with Dryopteris goldiana (placement seems artificial)

                Narrow-leaved glade fern


Dryopteris x boottii (Tuckerman) Underw.                    ?

                (D. cristata x D. intermedia)                             

                Boott’s wood fern

D. carthusiana (Vill.) H.P. Fuchs                                      Scattered plants or patches; less common than D. intermedia

                (= spinulosa var. l. (Muhl) Underw.)

                Spinulose wood fern

D. clintoniana (D.C. Eaton ex A. Gray) Dowell            A dozen on uphill side of Bailey Trail, immediately

( = cristata var. cl. (D.C. Eaton ex A. Gray) Underw.)    after the second bridge

                Clinton’s wood fern

D. cristata (L.) A. Gray                                                       Outer Bailey Trail

                Crested wood fern

D. x dowellii (Farw.) Wherry                                             above Bailey Trail beyond second bridge

                hybrid wood fern                                                    (found August 5 2008)

D. goldiana (Hooker) A. Gray                                          A few with Diplazium pycnocarpon below Ledges Trail,

                Goldie’s wood fern                                                 looking contrived

D. intermedia (Muhl. ex Willd.) A. Gray                        

                (= spinulosa var. i. (Muhl.) Underw.)               Extremely common throughout the Reservation

                Intermediate wood fern, Glandular wood fern,

                Evergreen wood fern

D. marginalis (L.) A. Gray                                                 Scattered, sometimes locally common, mostly in drier rocky areas

                Marginal wood fern           

D. x triploidea Wherry                                                       Occasional e.g. Bailey Trail

                (D. carthusiana x D. intermedia)

                incl. spinulosa var. fructose (Gilbert) Trudell)

                Triploid wood fern


Gymnocarpium dryopteris (L.) Newman                        X Not seen

                ssp. dryopteris

                Oak fern

Matteuccia struthiopteris (L.) Todaro                            Extremely common along river or even along roadsides

                (=Pteris pensylvanica (Willd.) Fern.)

                Ostrich fern

Onoclea sensibilis L.                                                          Common in wetter areas

                Sensitive fern


Pellaea atropurpurea L. Link                                          Occasional on cobble  rock face

                Purple-stemmed cliff-brake

Phegopteris connectilis (Michx.) Watt                           X  Not seen

                (= Thelypteris phegopteris (L.) Slosson)

                Narrow beech fern

P. hexagonoptera (Michx.) Fee                                        Scattered but locally abundant.  S side of Tulip Tree Trail, well above Boulder

                (= Thelypteris h. (Michx.) Weatherby)               Trail; upper Spero Trail at northern end, growing with Thelypteris

                Broad beech fern                                                

Polypodium appalachianum Haufler & Windham      Polypodium patches are fairly common on cobbles and boulders.

                Appalachian polypody                                      There is considerable morphological variation. I expect that I saw both species

P. virginianum (L.)                                                              and also their hybrid  P. appalachianum x virginianum   But I would want to

Virginia polypody, Common polypody          confirm with examination of ripe spores, perhaps in October.

Polystichum acrostichoides (Michx.) Schott                 Scattered but not uncommon

                Christmas fern

Pteridinium aquilinum (L.) Kuhn                                    Nearly limited to area near building by Eaton Trail

                var. latiusculum (Desv.) Underw. ex A. Heller

                Bracken, Eastern bracken

                var. pseudocaudatum (Clute) A. Heller           X  Not seen, not seemingly plausible

                Tailed bracken


Thelypteris noveboracensis (L.) Nieuwl.                         Scattered. A good patch on upper Spero Trail growing with Phegopteris

                New York fern                                                         Some along Bailey Trail

T. palustris Schott  Var. pubescens (Laws.) Fern.        A few plants along Bailey Trail

                Marsh fern                                                               Large patch SW of Ashley House back yard

T. simulata (Davenp.) Nieuwl.                                          

                Massachusetts fern                                             X  Not seen

Trichomanes intricatum Farrar

                Appalachian Trichomanes, Weft-fern            Scattered in cavities in mossy rock face along Ledges Trail

Woodsia ilvensis (L.) R. Brown                                        X  Not seen

                Rusty woodsia, Cliff-fern

W. obtusa (Spreng.) Torrey                                                Scattered on rock faces on cobble

                Blunt-lobed woodsia




      Annotated by Don Lubin   617-254-8464   8 Ashford St. Allston MA 02134