Atlas of the Flora of New England

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Genera - W

Wissadula (see Pseudabutilon)

WALDSTEINIA (Family: Rosaceae)

Waldsteinia fragarioides (Michaux) Trattinnick - Barren Strawberry. 2n = 14, 21, 42.

Rich, usually dry, woods, thickets, clearings, fields, roadsides. [Geum fragarioides (Michaux) Smedmark]

WEIGELA (Family: Caprifoliaceae)

WEIGELA FLORIBUNDA (Siebold & Zuccarini) K. Koch - Crimson Weigela. 2n = 36.

Thickets, rocky roadsides. From Japan.

WISTERIA (Family: Fabaceae)

WISTERIA FLORIBUNDA (Willdenow) de Candolle - Japanese Wisteria. 2n = 16.

Woodland margins, fields, thickets. From Japan, Korea.

WISTERIA FRUTESCENS (Linnaeus) Poiret - American Wisteria. 2n = 16.

Woodland margins, roadsides. From farther south. [W. MACROSTACHYA (Torrey & A. Gray) Nuttall ex B.L. Robinson & Fernald]

WISTERIA SINENSIS (Sims) de Candolle - Chinese Wisteria. 2n = 16, 32.

Woods, woodland margins, roadsides. From China.

WOLFFIA (Family: Araceae)

Wolffia borealis (Engelmann) Landolt & Wildi ex Gandhi, Wiersema & Brouillet - . 2n = 20, 22, 30, 40.

Floating on quiet waters of ditches, ponds, lakes and streams. [W. punctata misapplied]   CONN herbarium image

WOLFFIA BRASILIENSIS Weddell - . 2n = 20, 40, 42, 50, 60, 80.

Floating on quiet waters. From farther south. [W. PAPULIFERA C.H. Thompson]   CONN herbarium image

Wolffia columbiana H. Karsten - . 2n = 30, 40, 42, 50, 70.

Quiet, mostly basic waters of lakes, ponds, ditches and streams.   CONN herbarium image

WOLFFIELLA (Family: Araceae)

Wolffiella gladiata (Hegelmaier) Hegelmaier - . 2n = 40, 42.

Quiet, acidic waters. [W. floridana (J.D. Smith) C.H. Thompson]   GH herbarium image

WOODSIA (Family: Woodsiaceae)

Woodsia alpina (Bolton) Gray - Northern Woodsia. 2n = 156, 164.

Cool, calcareous (sometimes slaty) rock crevices. [W. alpina var. bellii G. Lawson] MCA herbarium image

Woodsia glabella R. Brown ex Richardson - Smooth Woodsia. 2n = 78.

Moist, shaded crevices of calcareous rocks. GH herbarium image

Woodsia ilvensis (Linnaeus) R. Brown - Rusty Woodsia. 2n = 78, 82.

Dry, often exposed, cliffs and talus. CONN herbarium image

Woodsia obtusa (Sprengel) Torrey subsp. obtusa - Blunt-lobed Woodsia. 2n = 152.

Shaded ledges, rocky woods, mostly in calcareous soils. CONN herbarium image

WOODSIA hybrids

Woodsia x gracilis (G. Lawson) Butters.

[W. alpina (Bolton) S.F. Gray X W. ilvensis (Linnaeus) R. Brown]

WOODWARDIA (Family: Blechnaceae)

Woodwardia areolata (Linnaeus) T. Moore - Netted Chain Fern. 2n = 70.

Swamps, boggy woods, in acid soils.    CONN herbarium image

Woodwardia virginica (Linnaeus) Smith - Virginia Chain Fern. 2n = 70.

Acid swamps, bogs, wet, wooded bottoms.    CONN herbarium image

Designed by Ray Angelo. Revised Aug. 29, 2019