Atlas of the Flora of New England

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Genera - F

Fagopyrum
Fagus
Falcaria
Fallopia
Festuca (see also Lolium and Vulpia)
Ficaria
Ficus
Filago
Filipendula
Fimbristylis
Flaveria
Floerkea
Foeniculum
Forsythia
Fragaria
Frangula
Frankenia
Frasera
Fraxinus
Froelichia
Fuirena
Fumaria


FAGOPYRUM (Family: Polygonaceae)


FAGOPYRUM ESCULENTUM Moench - Common Buckwheat. 2n = 16, (32).


Fields, roadsides, waste places. From China. [F. SAGITTATUM Gilibert]


FAGOPYRUM TATARICUM (Linnaeus) Gaertner - India-wheat. 2n = 16, (32).


Fields, roadsides, waste places. From China.



FAGUS (Family: Fagaceae)


Fagus grandifolia Ehrhart - American Beech. 2n = 24.


Rich woods. [F. grandifolia var. caroliniana (Loudon) Fernald & Rehder]


FAGUS SYLVATICA Linnaeus - European Beech. 2n = 24.


Fields, moist woodlands. From Europe.



FALCARIA (Family: Apiaceae)


FALCARIA VULGARIS Bernhardi - Sickleweed. 2n = 22.


Dry, open, calcareous knoll. From Eurasia.



FALLOPIA (Family: Polygonaceae)


FALLOPIA BALDSCHUANICA (Regel) Holub - Chinese Fleece-vine. 2n = 20.


Waste places. From central Asia. [POLYGONUM AUBERTII L. Henry]


Fallopia ciliinodis (Michaux) Holub - Fringed Bindweed. 2n = 20, 22.


Dry, open woods, clearings, thickets. [Polygonum cilinode Michaux]


FALLOPIA CONVOLVULUS (Linnaeus) Á. Löve - Black Bindweed. 2n = 40.


Waste places. From Eurasia. [POLYGONUM CONVOLVULUS Linnaeus var. CONVOLVULUS; P. CONVOLVULUS var. SUBALATUM Lejeune & Courtois]


FALLOPIA DUMETORUM (Linnaeus) Holub - Copse Bindweed. 2n = 20.


Fields, waste places, woodland borders. From Eurasia. [POLYGONUM SCANDENS Linnaeus var. DUMETORUM (Linnaeus) Gleason]


FALLOPIA JAPONICA (Houttuyn) Ronse Decraene var. JAPONICA - Japanese Knotweed. 2n = 44, 66, 88.


Roadsides, waste places, forest margins. From eastern Asia. [POLYGONUM CUSPIDATUM Siebold & Zuccarini]


FALLOPIA SACHALINENSIS (F. Schmidt) Ronse Decraene - Giant Knotweed. 2n = (32), 44, (66), (88), (102), (132).


Roadsides, waste places. From eastern Asia. [POLYGONUM SACHALINENSE F. Schmidt]


Fallopia scandens (Linnaeus) Holub - Climbing False Buckwheat. 2n = 20.


Damp thickets, often along streams, low woods. [Polygonum cristatum Engelmann & A. Gray; P. scandens Linnaeus var. scandens; P. scandens var. cristatum (Engelmann & A. Gray) Gleason]


Fallopia hybrid

FALLOPIA X BOHEMICA (Chrtek & Chrtková) J.P. Bailey - . 2n = 44, 66, 88.


[F. JAPONICA (Houttuyn) Ronse Decraene var. JAPONICA X F. SACHALINENSIS (F. Schmidt) Ronse Decraene]



FESTUCA (Family: Poaceae)


Festuca brachyphylla Schultes & Schultes (son) subsp. brachyphylla - Alpine Fescue. 2n = (28), 42.


Rocky summits at high altitudes. [F. ovina Linnaeus var. brachyphylla (Schultes & Schultes (son)) Piper]

FESTUCA FILIFORMIS Pourret - Hair Fescue. 2n = 14, (28).


Dry fields. From Europe. [F. CAPILLATA Lamarck, illegitimate name; F. OVINA Linnaeus var. CAPILLATA (Lamarck) Alefeld, illegitimate name]

FESTUCA OVINA Linnaeus - Sheep Fescue. 2n = 14, 28.


Dry sterile soil. From Europe.


Festuca prolifera (Piper) Fernald - . 2n = 49, 50, 63, ca. 70.


Summits of high mountains.


FESTUCA RUBRA Linnaeus subsp. RUBRA - Red Fescue. 2n = 42.


Fields, roadsides, salt marshes, open habitats. From Eurasia. [F. RUBRA var. JUNCEA miapplied]


FESTUCA RUBRA Linnaeus subsp. COMMUTATA Gaudin - Chewing's Fescue. 2n = 28, 42.


Roadsides, ditches, dry open areas. From Europe. [F. NIGRESCENS Lamarck]


FESTUCA RUBRA Linnaeus subsp. FALLAX (Thuillier) Nyman - . 2n = 42, 56, 70.


Damp soil, cart roads, disturbed sites. From Europe. [F. RUBRA Linnaeus var. MULTIFLORA Ascherson & Graebner; F. HETEROMALLA Pourret]


Festuca saximontana Rydberg var. saximontana - Rocky Mountain Fescue. 2n = 42.


Mountain crests. [F. brachyphylla Schultes & Schultes (son) var. rydbergii (St.-Yves) Cronquist; F. ovina Linnaeus var. saximontana (Rydberg) Gleason]


Festuca subverticillata (Persoon) E.B. Alexeev - Nodding Fescue. 2n = 42.


Rich woods. [F. obtusa Biehler]


FESTUCA TRACHYPHYLLA (Hackel) Krajina - Hard Fescue. 2n = 14, 28, 42.


Fields. From Europe. [F. OVINA Linnaeus var. DURIUSCULA - misapplied]



FICARIA (Family: Ranunculaceae)


FICARIA VERNA Hudson - Lesser Celandine. 2n = 16, 24, 32.


Moist, disturbed areas. From Europe. [RANUNCULUS FICARIA Linnaeus; R. FICARIA var. BULBIFERA Albert]



FICUS (Family: Moraceae)


FICUS CARICA Linnaeus - Common Fig. 2n = 26.


Waste ground. From western Asia.



FILAGO (Family: Asteraceae)


FILAGO VULGARIS Lamarck - Herba Impia. 2n = 28.


From Eurasia, northern Africa. [F. GERMANICA Linnaeus 1764 - illegitimate name]



FILIPENDULA (Family: Rosaceae)


FILIPENDULA RUBRA (Hill) B.L. Robinson - Queen-of-the-prairie. 2n = ?


Roadsides, meadows. Probably from farther south and west.


FILIPENDULA ULMARIA (Linnaeus) Maximowicz - Queen-of-the-meadow. 2n = 14, 16.


Roadsides, riverbanks. From Eurasia. [F. ULMARIA var. DENUDATA (J. Presl & C. Presl) Maximowicz]


FILIPENDULA VULGARIS Moench - Dropwort. 2n = 14, (15-16).


Roadsides, waste places. From Eurasia, northern Africa. [F. HEXAPETALA Gilibert ex Maximowicz – illegitimate name]



FIMBRISTYLIS (Family: Cyperaceae)


Fimbristylis autumnalis (Linnaeus) Roemer & Schultes - . 2n = 10.


Sandy or sphagnous shores and low ground.  [F. autumnalis var. mucronulata (Michaux) Fernald]



FLAVERIA (Family: Asteraceae)


FLAVERIA BIDENTIS (Linnaeus) Kuntze - Coastal Plain Yellowtops. 2n = 36.


Wool waste. From South America.



FLOERKEA (Family: Limnanthaceae)


Floerkea proserpinacoides Willdenow - False Mermaid. 2n = 10.


Alluvial woods, usually wet.



FOENICULUM (Family: Apiaceae)


FOENICULUM VULGARE Miller - Fennel. 2n = (16), (19), 22.


Waste places, dry fields, roadsides. From Eurasia, northern Africa.



FORSYTHIA (Family: Oleaceae)


FORSYTHIA SUSPENSA (Thunberg) Vahl - Weeping Forsythia. 2n = 24, 28.


Roadsides, woodland margins, railroads. From China. [F. SUSPENSA var. FORTUNEI (Lindley) Rehder]


FORSYTHIA VIRIDISSIMA Lindley - . 2n = 28.


Roadsides, damp thickets, streambanks. From China, Korea.


Forsythia hybrid

FORSYTHIA X INTERMEDIA Zabel (pro species).


[parentage of current specimens uncertain, although parentage of the type specimen is F. SUSPENSA (Thunberg) Vahl × F. VIRIDISSIMA Lindley]



FRAGARIA (Family: Rosaceae)


FRAGARIA VESCA Linnaeus subsp. VESCA - European Strawberry. 2n = 14.


Rocky woods, woodland margins, openings. From Eurasia.


Fragaria vesca Linnaeus subsp. americana (Porter) Staudt - Woodland Strawberry. 2n = 14.


Wooded slopes, rocky banks, openings, roadsides.


Fragaria virginiana Miller subsp. virginiana - Wild Strawberry. 2n = 56.


Fields, woodland borders, open slopes, roadsides, railroads.


Fragaria virginiana Miller subsp. glauca (S. Watson) Staudt - . 2n = 56.


Fields, woodland borders, open slopes, roadsides, railroads. [F. virginiana var. terra-novae (Rydberg) Fernald & Wiegand]


FRAGARIA VIRGINIANA Miller subsp. GRAYANA (E. Vilmorin ex J. Gay) Staudt - . 2n = 56.


Roadsides. From farther west. [F. VIRGINIANA var. ILLINOENSIS A. Gray]


Fragaria hybrid

FRAGARIA X ANANASSA (Weston) Duchesne ex Grozier (pro species) - Garden Strawberry.


[F. CHILOENSIS (Linnaeus) Miller X F. virginiana Miller]



FRANGULA (Family: Rhamnaceae)


FRANGULA ALNUS Miller - Glossy Buckthorn. 2n = 20, (22), (26).


Woodlands, thickets, roadsides, fields, ledge crevices. From Eurasia, northwestern Africa. [RHAMNUS FRANGULA Linnaeus]



FRANKENIA (Family: Frankeniaceae)


FRANKENIA PULVERULENTA Linnaeus - European Sea-heath. 2n = 20.


Wool waste. From Mediterranean region, southwestern Asia.



FRASERA (Family: Gentianaceae)


FRASERA ALBICAULIS Grisebach var. NITIDA (Bentham) C.L. Hitchcock - . 2n = ?


Dry hills. From farther west.



FRAXINUS (Family: Oleaceae)


Fraxinus americana Linnaeus - White Ash. 2n = 46.


Rich woodlands, roadsides.


FRAXINUS EXCELSIOR Linnaeus - European Ash. 2n = 46.


Roadsides, wooded streambanks. From Eurasia.


Fraxinus nigra Marshall - Black Ash. 2n = 46.


Swamps, wet woodlands, shores.


Fraxinus pennsylvanica Marshall - Red Ash. 2n = 46.


Shores, swamps, alluvial woodlands. [F. pennsylvanica var. austinii Fernald; F. pennsylvanica var. subintegerrima (Vahl) Fernald]



FROELICHIA (Family: Amaranthaceae)


FROELICHIA GRACILIS (Hooker) Moquin-Tandon - Slender Cottonweed. 2n = 54.


Waste places, roadsides, railroads, especially in sandy soil. From farther west.



FUIRENA (Family: Cyperaceae)


Fuirena pumila (Torrey) Sprengel - . 2n = 46.


Sandy or sphagnous pond shores.


Fuirena squarrosa Michaux - . 2n = 46.


Sandy, acidic shores.



FUMARIA (Family: Papaveraceae)


FUMARIA OFFICINALIS Linnaeus - Fumitory. 2n = (16), (28), 32, (48).


Waste places. From Europe.





Designed by Ray Angelo. Revised Jan. 18, 2017