Ferns and Fern Allies of



Annotated 6/7 2006 by Don Lubin

36 taxa seen, 19 not seen




Adiantum pedatum L.                                                          Locally abundant

                Maidenhair fern

Pellaea atropurpurea L. Link                                             Occasional on cobble  rock face, or even in trail           

                Purple-stemmed cliff-brake


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

                Ebony spleenwort

A. rhizophyllum L.

(= Camptosorus rhizophyllus (L.) Link                             Occasional on cobble; one large colony

                Walking fern

A. ruta-muraria L.                                                               X  Not seen

                Wall rue, Wall rue spleenwort

A. trichomanes L.                                                                Quite common on cobble rock crevices

                Maidenhair spleenwort


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

                Hay-scented 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


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

Diplazium pycnocarpon (Spreng.) M. Broun                  Several plants below Ledges Trail, with Dryopteris Goldiana

                (= Athyrium p. (Spreng.) Tidestrom)                placement seems artificial

                Narrow-leaved glade fern

Dryopteris x boottii (Tuckerman) Underw.                      One strong plant just before second bridge on Bailey Trail,

                (D. cristata x D. intermedia)                                adjacent to D. clintoniana

                Boott’s wood fern

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

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

                Spinulose wood fern

D. clintoniana (D.C. Eaton ex A. Gray) Dowell               Two plants on downhill side of Bailey Trail, immediately before

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

Clinton’s wood fern

D. cristata (L.) A. Gray                                                       X  Not seen

                Crested wood fern

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                                                        X Too early in season to identify with certainty

                (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

Polystichum acrostichoides (Michx.) Schott                  Scattered but not uncommon

                Christmas fern

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




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 near parking lot for Ashley House

Scouring rush                                                                       before bridge

E. sylvaticum L.

(incl. var. pauciramosum Milde)                                        One patch beneath large Osmunda regalis,

Woodland horsetail                                                             SE corner of back yard of Ashley House

E. variegatum Schleicher ex Weber & Mohr

Variegated scouring rush                                                   X  Not seen





Trichomanes intricatum Farrar

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



LYCOPODIACEAE                                                            XXX  None seen

Club-moss Family


Diaphasiastrum digitatum (Dillen. ex A. Braun)


Southern running-pine

Huperzia lucidula (Michx.) Trev.

                (= Lycopodium l. Michx.)

                Shining fir-moss

Lycopodium clavatum L.

 Staghorn, Running or Common club-moss





Botrychium dissectum Spreng.                                        X   Not seen, but it is too early in the season

                incl. var. obliquum (Muhl. ex Willd. Chute)     Lace-leaf grapefern

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

Daisy-leaf moonwort                                                           X  Not seen

B. multifidum (Gmel.) Rupr.

                (incl. var. intermedium (D.C. Eaton) Farw.)      X  Not seen

Leathery grapefern

B. virginianum (L.) Sw.                                                      One plant 10’ S of Tulip Tree Trail , above Boulder Trail,

Rattlesnake fern                                                                   below the patch of Phegopteris hexagonoptera



Ophioglossum pusillum Raf.                                             X  Not seen

                (= vulgatum var. pseudopodium (Blake) Farw.)

Northern adder’s tongue   



Osmunda cinnamomea L.                                                   Locally abundant in wet areas

                Cinnamon fern

O. claytonia L.                                                                      Common

                Interrupted fern

O. regalis L.                                                                         One very large plant in SE corner of back yard of Ashley House

                var.spectabilis (Willd.) A. Gray

                Royal 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

Virginia polypody, Common polypody            But I would want to confirm with examination of ripe spores, perhaps in October.




Selaginella apoda (L.) Spring.                                            X  Not seen

Meadow spike-moss

S. rupestris (L.) Spring.                                                      Occasional on rocks on the cobble. (I saw 2 plants)

                Rock spike-moss





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 Trail

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

                Broad beech fern

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

                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







Annotated by Don Lubin


8 Ashford St. Allston MA 02134