Atlas of the Flora of New England

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Genera - F

Festuca (see also Lolium and Vulpia)

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. [rare in North America, name commonly misapplied to F. TRACHYPHYLLA]

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) R.P. Murray - Hard Fescue. 2n = 14, 28, 42.

Fields. From Europe. [F. OVINA Linnaeus - very commonly misapplied; 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 May 15, 2019