LEMNA

Lemna minor Linnaeus - . 2n = 20, 30, 40, 42, 50, 63, 80, 126.

Floating on quiet water of ponds and streams, muddy shores.

Lemna perpusilla Torrey - . 2n = 20, 40, 42, 50, 60, 80.

Floating on quiet water of ponds and streams.

Lemna trisulca Linnaeus - . 2n = 20, 40, 42, 44, 56-60, 63, 80.

Surface of quiet, often basic water of ponds and streams.

Lemna turionifera Landolt - . 2n = 40, 42, 50, 80.

Quiet waters.

Lemna valdiviana Philippi - . 2n = 36, 40, 42.

Quiet waters or swift currents of streams.

SPIRODELA

Spirodela polyrrhiza (Linnaeus) Schleiden - Water Flaxseed. 2n = 30, 32, 38, 40, 50, 80.

Surface of quiet water of lakes, ponds, ditches and streams; muddy shores.

SPIRODELA PUNCTATA (G. F. W. Meyer) C. H. Thompson - 2n = 40, 43-44, 46, 50.

Quiet waters. From subtropical regions. [S. OLIGORRHIZA (Kurtz) Hegelmaier]   [Reported from Massachusetts but no voucher seen.]

WOLFFIA

Wolffia borealis (Engelmann ex Hegelmaier) Landolt - . 2n = 20, 22, 30, 40.

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

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

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

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

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

WOLFFIELLA

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

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

Note: The Liliaceae are here treated in their traditional sense with the understanding that numerous smaller families will be recognized within the very near future.

ALETRIS

Aletris farinosa Linnaeus - Unicorn-root. 2n = 26.

Moist, open, sandy soil and barrens.

ALLIUM

Allium canadense Linnaeus var. canadense - Wild Garlic. 2n = 14, 21, 28, 82.

Low woods, alluvial thickets, meadows.

ALLIUM CEPA Linnaeus - Onion. 2n = 14, 16, 28, 32, 64.

Waste ground. From southwest Asia.

ALLIUM OLERACEUM Linnaeus - Wild Onion. 2n = 24, 32, 40, 48.

Wood borders, thickets, roadside banks. From Europe.

ALLIUM SATIVUM Linnaeus - Garlic. 2n = 12, 16.

Roadsides, pastures, fields. From western Asia.

Allium schoenoprasum Linnaeus - Chives. 2n = 16, 16 + (1-18)B, 24, 32.

Gravelly and rocky shores [A. schoenoprasum var. sibiricum (Linnaeus) Hartman]

Allium tricoccum Aiton var. tricoccum - Wild Leek. 2n = 16.

Rich, basic woods and bottoms.

Allium tricoccum Aiton var. burdickii Hanes - . 2n = 16.

Dry soil in upland woods.

ALLIUM VINEALE Linnaeus - Field Garlic. 2n = 16, 32, 32 + (0-2)s, 40.

Dry grasslands, fallow fields, lawns, waste places. From Europe.

ASPARAGUS

ASPARAGUS OFFICINALIS Linnaeus - Asparagus. 2n = 20, 40.

Roadsides, near buildings, fields, fence rows. From Europe.

CHAMAELIRIUM

Chamaelirium luteum (Linnaeus) Gray - Blazing-star. 2n = ?.

Meadows, thickets, rich woods.

CLINTONIA

Clintonia borealis (Aiton) Rafinesque - Yellow Clintonia. 2n = 28, 28 + 2B, 32.

Woods, usually moist, thickets.

COLCHICUM

COLCHICUM AUTUMNALE Linnaeus - Autumn Crocus. 2n = 36, 38, 42.

Meadows, fields. From Europe.

CONVALLARIA

CONVALLARIA MAJALIS Linnaeus var. MAJALIS - European Lily-of-the-Valley. 2n = 36, 38.

Roadsides, old house sites, thickets, open woods. From Europe.

ERYTHRONIUM

Erythronium americanum Ker Gawler - Trout Lily. 2n = 48.

Rich, moist woods and thickets.

GALANTHUS

GALANTHUS NIVALIS Linnaeus subsp. NIVALIS - Snowdrop. 2n = 18, 24, 24 + (1-10)B, 26.

Abandoned gardens. From Europe.

HEMEROCALLIS

HEMEROCALLIS FULVA (Linnaeus) Linnaeus - Orange Day-lily. 2n = 22, 33, 36.

Roadsides, waste places. From Asia.

HEMEROCALLIS LILIOASPHODELUS Linnaeus - Yellow Day-lily. 2n = 22.

Roadsides, waste places. From Asia. [H. FLAVA (Linnaeus) Linnaeus]

HOSTA

HOSTA LANCIFOLIA Trattinnick - . 2n = 60.

Thickets, roadsides, waste places. From eastern Asia. [H. JAPONICA Voss]

HOSTA VENTRICOSA (Salisbury) Stearn - Blue Plantain-lily. 2n = 60, 120.

Rich woods along streams, moist banks. From eastern Asia.

HYPOXIS

Hypoxis hirsuta (Linnaeus) Coville - Common Stargrass. 2n = 28.

Open woods, fields.

LEUCOJUM

LEUCOJUM AESTIVUM Linnaeus - Summer Snowflake. 2n = 22, 24.

Meadows, low woods. From Europe.

LILIUM

Lilium canadense Linnaeus - Canada Lily. 2n = 24.

Meadows, low woods, thickets.

LILIUM LANCIFOLIUM Thunberg - Tiger Lily. 2n = 24, 36.

Old house sites, roadsides, dry thickets. From eastern Asia. [L. TIGRINUM Ker]

Lilium philadelphicum Linnaeus - Wood Lily. 2n = 24.

Dry, open woods, thickets, clearings.

Lilium superbum Linnaeus - Turk's-cap Lily. 2n = 24.

Meadows, damp thickets, swampy woods.

MAIANTHEMUM

Maianthemum canadense Desfontaines - Canada Mayflower. 2n = 36.

Woods, clearings. [M. canadense var. interius Fernald]

Maianthemum racemosum (Linnaeus) Link subsp. racemosum - False Solomon's-seal. 2n = 36, 72, 144.

Woods, clearings. [Smilacina racemosa (Linnaeus) Desfontaines; Smilacina racemosa (Linnaeus) Desfontaines var. cylindrata Fernald]

Maianthemum stellatum (Linnaeus) Link - . 2n = 36, 54.

Sandy soil of shores, hillsides, fields, thickets. [Smilacina stellata (Linnaeus) Desfontaines; Smilacina stellata (Linnaeus) Desfontaines var. crassa Victorin]

Maianthemum trifolium (Linnaeus) Sloboda - . 2n = 36.

Sphagnum bogs, sphagnous shores and woods. [Smilacina trifolia (Linnaeus) Desfontaines]

MEDEOLA

Medeola virginiana Linnaeus - Indian Cucumber Root. 2n = 14.

Rich woods.

MUSCARI

MUSCARI BOTRYOIDES (Linnaeus) Miller - Grape-hyacinth. 2n = 18, 36, ca 40, 48.

Pastures, fields, roadsides, waste places. From Europe.

MUSCARI NEGLECTUM Gussone ex Tenore - Blue-bottle. 2n = 18-72.

Fields, roadsides, lawns, waste places. From Europe. [M. ATLANTICUM Boissier & Reuter; M. RACEMOSUM Lamarck & de Candolle]

NARCISSUS

NARCISSUS POETICUS Linnaeus - Poet's Narcissus. 2n = 14, 21, 28.

Fields, moist meadows. From Europe.

NARCISSUS PSEUDONARCISSUS Linnaeus - Daffodil. 2n = 14, 14 + (1-2)B, 15, 21, 26-30, 35, 43.

Fields, open groves, moist meadows. From Europe.

ORNITHOGALUM

ORNITHOGALUM NUTANS Linnaeus - . 2n = 14, 15, 40, 41, 45.

Low meadows, fields. From western Asia.

ORNITHOGALUM UMBELLATUM Linnaeus - Star-of-Bethlehem. 2n = 18-108.

Old house sites, roadsides, thickets, fields, meadows. From Europe.

POLYGONATUM

Polygonatum biflorum (Walter) Elliott var. biflorum - Great Solomon's-seal. 2n = 20, 40.

Rocky woods.

Polygonatum biflorum (Walter) Elliott var. commutatum (J. A. & J. H. Schultes) Morong - Giant Solomon's-seal. 2n = 40.

Rich woods, alluvial thickets, riverbanks, hedgerows. [P. canaliculatum misapplied; P. commutatum (J. A. & J. H. Schultes) A. Dietrich]

POLYGONATUM LATIFOLIUM (Jacquin) Desfontaines - . 2n = 18, 20.

Roadside thickets. From Europe.

Polygonatum pubescens (Willdenow) Pursh - Small Solomon's-seal. 2n = 20.

Dry to rich woods.

SCILLA

SCILLA SIBERICA Haworth ex Andrews - . 2n = 12, 12 + B, 12 + 4B, 18, 24, 30.

Roadsides, pastures. From Eurasia.

STREPTOPUS

Streptopus amplexifolius (Linnaeus) de Candolle - Twisted Stalk. 2n = 16, 32.

Rich, damp woods and thickets. [S. amplexifolius var. americanus Schultes]

Streptopus lanceolatus (Aiton) Reveal - Rose Mandarin. 2n = 16, 48.

Rich, damp, cool woods and thickets. [S. roseus Michaux var. longipes (Fernald) Fassett;  S. roseus Michaux var. perspectus Fassett]

STREPTOPUS hybrids

Streptopus X oreopolus Fernald - . 2n = 24.

Subalpine woods and meadows. [S. amplexifolius (Linnaeus) de Candolle X S. lanceolatus (Aiton) Reveal; S. amplexifolius (Linnaeus) de Candolle var. oreopolus (Fernald) Fassett]

TOFIELDIA

Tofieldia glutinosa (Michaux) Persoon - . 2n = 30.

Marshes (basic), bogs, shores.

TRICYRTIS

TRICYRTIS HIRTA (Thunberg) Hooker - Toad Lily. 2n = 24, 26, 37.

Open woods. From eastern Asia.

TRILLIUM

Trillium cernuum Linnaeus - Nodding Trillium. 2n = 10.

Trillium erectum Linnaeus - Purple Trillium. 2n = 10.

Rich woods. [T. erectum var. blandum Jennison]

Trillium grandiflorum (Michaux) Salisbury - Snowy Trillium. 2n = 10.

Rich, usually basic, woods and thickets.

Trillium undulatum Willdenow - Painted Trillium. 2n = 10.

Rich, usually wet, woods in acidic soils.

TULIPA

TULIPA GESNERIA Linnaeus - Garden Tulip. 2n = 24, 25, 26, 36, 48.

Waste areas. From Eurasia

TULIPA SYLVESTRIS Linnaeus - . 2n = 24, 48.

Meadows. From Europe.

UVULARIA

Uvularia grandiflora J. E. Smith - Big Merry-bells. 2n = 14.

Rich, moist woods and thickets, chiefly basic.

Uvularia perfoliata Linnaeus - Perfoliate Bellwort. 2n = 14.

Rich, usually dry, woods and thickets, preferring acid soils.

Uvularia sessilifolia Linnaeus - Wild-oats. 2n = 14.

Woods, thickets, clearings.

VERATRUM

Veratrum viride Aiton - White Hellebore. 2n = 32.

Swampy woods, wet meadows.

ZIGADENUS

Zigadenus elegans Pursh var. glaucus (Nuttall) Preece - White Camass. 2n = 32.

Basic gravel, cliffs, shores, bogs. [Z. glaucus Nuttall]

NAJAS

Najas flexilis (Willdenow) - Northern Water-nymph. 2n = 24.

Quiet, shallow water of ponds and streams, usually rooting in mud.

Najas gracillima (A. Braun ex Engelmann) Magnus - . 2n = 12.

Muddy, sandy or sphagnous ponds and shores.

Najas guadalupensis (Sprengel) Magnus subsp. guadalupensis - Southern Water-nymph. 2n = 12, 36, 48, 54, 60.

Ponds and streams.

Najas guadalupensis (Sprengel) Magnus subsp. olivacea (Rosendahl & Butters) R. R. Haynes & Hellquist - . 2n = ?.

Habitat? [N. olivacea Rosendahl & Butters]

NAJAS MINOR Allioni - . 2n = 12, 24, 46, 56.

Quiet, basic water of lakes and streams. From the Old World.

AMERORCHIS

Amerorchis rotundifolia (Banks) Hultén - Small Round-leaved Orchis. 2n = 42.

Bogs, swamps, boggy woods, in basic soil. [Orchis rotundifolia Banks]

Aplectrum

Aplectrum hyemale (Muhlenberg ex Willdenow) Nuttall - Putty-root. 2n = ?.

Rich, rocky woods.

ARETHUSA

Arethusa bulbosa Linnaeus - Arethusa. 2n = 40.

Sphagnous bogs, meadows, and swamps.

CALOPOGON

Calopogon tuberosus (Linnaeus) Britton, Sterns & Poggenberg - Grass-pink. 2n = 26, 42.

Sphagnous bogs, swamps, and meadows. [C. pulchellus (Salisbury) R. Brown]

CALYPSO

Calypso bulbosa (Linnaeus) Oakes var. americana (R. Brown ex Aiton f.) Luer - Calypso. 2n = 28.

Thuja swamps.

COELOGLOSSUM

Coeloglossum viride (Linnaeus) Hartman var. virescens (Muhlenberg ex Willdenow) Luer - Bracted Orchis. 2n = 40, 42.

Rich, moist woods, thickets, meadows. [Habenaria viridis (Linnaeus) R. Brown var. bracteata (Muhlenberg) A. Gray]

CORALLORHIZA

Corallorhiza maculata (Rafinesque) Rafinesque - Spotted Coral-root. 2n = 42, 84.

Dry to moist woods.

Corallorhiza odontorhiza (Willdenow) Poiret - Autumn Coral-root. 2n = ?.

Rich, dry woods, in basic soil.

Corallorhiza trifida Chatelain - Early Coral-root. 2n = 38, 40, 42.

Rich, wet woods, swamps with Thuja. [C. trifida var. verna (Nuttall) Fernald]

CYPRIPEDIUM

Cypripedium acaule Aiton - Pink Lady's-slipper. 2n = 20.

Dry woods, acid soils.

Cypripedium arietinum R. Brown - Ram's-head Lady's-slipper. 2n = 20.

Rich, damp woods, usually on hillsides, usually acid soils in coniferous woods.

Cypripedium parviflorum Salisbury var. parviflorum - Small Yellow Lady's-slipper. 2n = 20.

Rich, usually swampy, basic woods, bogs (chiefly basic), shores. [C. calceolus Linnaeus var. parviflorum (Salisbury) Fernald]

Cypripedium parviflorum Salisbury var. makasin (Farwell) Sheviak. 2n = ?.

Thuja bogs and fens.   [There are no distribution data for this relatively newly described taxon since it is not yet distinguished in New England herbaria. The author of this combination reports that "Virtually everything reported from NE as var. parviflorum is in fact var. makasin." (personal communication)]

Cypripedium parviflorum Salisbury var. pubescens (Willdenow) Knight - Large Yellow Lady's-slipper. 2n = 20.

Rich woodlands. [C. calceolus Linnaeus var. pubescens (Willdenow) Correll]

Cypripedium reginae Walter - Showy Lady's-slipper. 2n = 20.

Bogs, swamps, swampy woods, in basic soils.

EPIPACTIS

EPIPACTIS HELLEBORINE (Linnaeus) Crantz - Helleborine. 2n = 36-44.

Woods, thickets, roadsides. From Europe.

GALEARIS

Galearis spectabilis (Linnaeus) Rafinesque - Showy Orchis. 2n = 42.

Rich woods, mostly in basic soils. [Orchis spectabilis Linnaeus]

GOODYERA

Goodyera oblongifolia Rafinesque - Giant Rattlesnake-plantain. 2n = 22, 30.

Dry coniferous or mixed woods.

Goodyera pubescens (Willdenow) R. Brown - Downy Rattlesnake-plantain. 2n = 26.

Dry to moist woods.

Goodyera repens (Linnaeus) R. Brown var. ophioides Fernald - Dwarf Rattlesnake-plantain. 2n = 30, 40.

Damp, mossy woods, especially under conifers.

GOODYERA hybrid

Goodyera X tesselata Loddiges - . 2n = 59-61.

Rich woods, often pine. [G. oblongifolia Rafinesque X G. repens (Linnaeus) R. Brown var. ophioides Fernald]

ISOTRIA

Isotria medeoloides (Pursh) Rafinesque - Small Whorled Pogonia. 2n = 18.

Open second growth, rich woods, often near Fagus.

Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque - Large Whorled Pogonia. 2n = 18.

Acidic woods, usually damp, often with Medeola.

LIPARIS

Liparis liliifolia (Linnaeus) Richard ex Lindley - Large Twayblade. 2n = ?.

Rich, moist woods.

Liparis loeselii (Linnaeus) Richard - Loesel's Twayblade. 2n = 26, 32.

Swamps, bogs, damp thickets, sphagnous meadows, ditches.

LISTERA

Listera auriculata Wiegand - Auricled Twayblade. 2n = ?.

Moist woods and thickets.

Listera australis Lindley - Southern Twayblade. 2n = ?.

Sphagnous thickets and bogs.

Listera convallarioides (Swartz) Elliott - Broad-lipped Twayblade. 2n = 36.

Wet or swampy woods, often with Thuja, shores.

Listera cordata (Linnaeus) R. Brown - Heartleaf Twayblade. 2n = 34, 34 + (1 - 9)B, 36-42, 44.

Mossy knolls in wet woods.

LISTERA hybrids

Listera x veltmanii Case - .

MALAXIS

Malaxis bayardii Fernald - . 2n = ?.

Dry, sandy woods and clearings.

Malaxis monophyllos (Linnaeus) Swartz var. brachypoda (A. Gray) F. Morris & Eames - . 2n = 28, 30.

Thuja swamps and thickets. [M. brachypoda (A. Gray) Fernald]

Malaxis unifolia Michaux - Green Adder's-mouth. 2n = ?.

Woods, borders of swamps or bogs.

PLATANTHERA

Platanthera blephariglottis (Willdenow) Lindley var. blephariglottis - White Fringed Orchis. 2n = 42.

Sphagnum bogs, wet, sphagnous soil. [Habenaria blephariglottis (Willdenow) Hooker]

Platanthera ciliaris (Linnaeus) Lindley - Yellow Fringed Orchis. 2n = ?.

Swampy woods, wet thickets, bogs. [Habenaria ciliaris (Linnaeus) R. Brown]

Platanthera clavellata (Michaux) Luer - Green Woodland Orchis. 2n = 42.

Swampy woods, bogs, spring-heads, shores, typically sphagnous. [Habenaria clavellata (Michaux) Sprengel; Habenaria clavellata var. ophioglossoides Fernald]

Platanthera cristata (Michaux) Lindley - Crested Yellow Orchis. 2n = ?.

Damp, acid woods, low moist meadows. [Habenaria cristata (Michaux) R. Brown]

Platanthera dilatata (Pursh) Lindley ex Beck var. dilatata - Bog Candle. 2n = 42.

Springy woods, bogs, shores, meadows. [Habenaria dilatata (Pursh) Hooker]

Platanthera flava (Linnaeus) Lindley var. herbiola (R. Brown ex Aiton f.) Luer - Tubercled Orchis. 2n = 42.

Springy meadows, shores. [Habenaria flava (Linnaeus) R. Brown var. herbiola (R. Brown) Ames & Correll]

Platanthera grandiflora (Bigelow) Lindley - Large Purple Fringed Orchis. 2n = 42.

Rich, swampy woods, spring-heads, along streams, thickets. [Habenaria fimbriata (Aiton) R. Brown;  Habenaria psycodes (Linnaeus) Sprengel var. grandiflora (Bigelow) A. Gray]

Platanthera hookeri (Torrey ex A. Gray) Lindley - Hooker's Orchis. 2n = 42.

Rich, dry woods. [Habenaria hookeri Torrey ex A. Gray]

Platanthera hyperborea (Linnaeus) Lindley - Northern Green Orchis. 2n = 42, 84, 84 ± 1.

Springy woods, sphagnum bogs, ditches. [P. hyperborea var. huronensis (Nuttall) Luer;  Habenaria hyperborea (Linnaeus) R. Brown;  Habenaria hyperborea (Linnaeus) R. Brown var. huronensis (Nuttall) Farwell]

Platanthera lacera (Michaux) G. Don - Ragged Orchis. 2n = 42.

Meadows, damp fields, alluvial or wet woods. [Habenaria lacera (Michaux) Loddiges]

Platanthera leucophaea (Nuttall) Lindley - Prairie Fringed Orchis. 2n = 42.

Bogs, open tamarack swamps. [Habenaria leucophaea (Nuttall) A. Gray]

Platanthera obtusata (Banks ex Pursh) Lindley - Blunt-leaf Orchis. 2n = 42.

Sphagnum bogs, damp woods, especially coniferous or mixed. [Habenaria obtusata (Banks ex Pursh) Richards]

Platanthera orbiculata (Pursh) Lindley var. orbiculata - Round-leaved Orchis. 2n = 42.

Rich woods. [Habenaria orbiculata (Pursh) Torrey]

Platanthera orbiculata (Pursh) Lindley var. macrophylla (Goldie) Luer - . 2n = ?.

Rich woods. [Habenaria macrophylla Goldie; Habenaria orbiculata (Pursh) Torrey var. macrophylla (Goldie) B. Boivin]

Platanthera psycodes (Linnaeus) Lindley - Small Purple Fringed Orchis. 2n = 42.

Wet woods, damp thickets, along streams. [Habenaria psycodes (Linnaeus) Sprengel]

PLATANTHERA hybrids

Platanthera x andrewsii (M. White) Luer - . 2n = 42.

[P. lacera (Michaux) G. Don X P. psycodes (Linnaeus) Lindley]

Platanthera grandiflora (Bigelow) Lindley X Platanthera hyperborea (Linnaeus) Lindley - .

Platanthera grandiflora (Bigelow) Lindley X Platanthera lacera (Michaux) G. Don - .

Platanthera x media (Rydberg) Luer - .

[P. dilatata (Pursh) Lindley ex Beck var. dilatata X P. hyperborea (Linnaeus) Lindley]

POGONIA

Pogonia ophioglossoides (Linnaeus) Ker Gawler - Rose Pogonia. 2n = 18.

Sphagnum bogs, swamps, wet meadows, pond shores, sphagnous thickets.

SPIRANTHES

Spiranthes casei Catling & Cruise - . 2n = 60, 75.

Sandy, acid soils, roadsides, fields.

Spiranthes cernua (Linnaeus) Richard - Nodding Ladies'-tresses. 2n = 30, 45, ca. 50, 60, 61.

Damp banks, meadows, bogs, shores, low thickets, open, moist sandy places.

Spiranthes lacera (Rafinesque) Rafinesque var. lacera - Northern Slender Ladies'-tresses. 2n = 30.

Open sandy places.

Spiranthes lacera (Rafinesque) Rafinesque var. gracilis (Bigelow) Luer - Southern Slender Ladies'-tresses. 2n = 30.

Sterile, open soils, thickets, or open woods. [S. gracilis (Bigelow) Beck]

Spiranthes lucida (H. H. Eaton) Ames - . 2n = 44.

Damp, rocky shores, meadows, rich, damp thickets, usually in basic soils.

Spiranthes ochroleuca (Rydberg) Rydberg - . 2n = 30.

Sterile fields, dry barrens, rocky slopes, open woods, roadsides. [S. cernua (Linnaeus) Richard var. ochroleuca (Rydberg) Ames]

Spiranthes romanzoffiana Chamisso - Hooded Ladies'-tresses. 2n = 30, 44, 60.

Swampy places, often along rivers and ponds, thickets.

Spiranthes tuberosa Rafinesque - Little Ladies'-tresses. 2n = ?.

Dry, sandy fields, woodland borders, cemeteries, roadsides. [S. tuberosa var. grayi (Ames) Fernald]

Spiranthes vernalis Engelmann & A. Gray - Spring Ladies'-tresses. 2n = 30.

Grasslands, sandy fields, clearings.

SPIRANTHES hybrids

Spiranthes x intermedia Ames - .

[S. lacera (Rafinesque) Rafinesque var. lacera X S. vernalis Engelmann & A. Gray]

Spiranthes lacera (Rafinesque) Rafinesque var. lacera X Spiranthes romanzoffiana Chamisso - .

Spiranthes lacera (Rafinesque) Rafinesque var. gracilis (Bigelow) Luer X Spiranthes tuberosa Rafinesque - .

TIPULARIA

Tipularia discolor (Pursh) Nuttall - Crane-fly Orchid. 2n = ?.

Rich, damp, oak-holly-beech woods.

TRIPHORA

Triphora trianthophora (Swartz) Rydberg subsp. trianthophora - Nodding Pogonia. 2n = 44.

Deep humus of rich moist woods with Fagus, often on rotten logs.