Authors: Bill Harms
Less Details
Locality: Patuxent Research Refuge (39.060200, -76.780700)
Abstract:
Established in 1936 by executive order of President Franklin D. Roosevelt, the Patuxent Research Refuge is the nation's only national wildlife refuge established to support wildlife research. It is located between Washington, DC and Baltimore, MD.

CT=Central Tract
NT=North Tract
ST=South Tract

Nativity to refuge - Native, exotic, and uncertain.

The checklist uses a modified version of Weakley 2015 for taxonomic nomenclature.

For additional information about this checklist, please contact: Bill Harms (botanybill@verizon.net)

For comments about or corrections to individual entries, please leave a comment on the individual species page. Or contact Bill at the above email address

This is a work in progress and as such please use the data with care.



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Families: 144
Genera: 558
Species: 1247 (species rank)
Total Taxa: 1263 (including subsp. and var.)

Page 1 of 3: 1 | 2 | 3

Acorus calamus L. - Single-Vein Sweetflag
Roadside seepage, rare, known from two stations, nativity uncertain, possibly introduced, CT, NT; Bill Harms 9595 [USFWS] , F. M. Uhler s.n. [USFWS] , Bill Harms 9327 [USFWS]
Sambucus canadensis L. - Common Elderberry
Infrequent, wet to moist areas, hedgerows, CT, NT, ST, native; Bill Harms 6626 [MARY] , N. Hotchkiss 5221 [USFWS] , Bill Harms 6626 [USFWS]
Viburnum opulus L. - Highbush-Cranberry
Garden, single station, ST, cultivated exotic; Ann Coren 51 [USFWS] , Bill Harms 8288 [USFWS]
Viburnum recognitum Fernald - Southern Arrow-Wood
Frequent, locally common, edge of woods and open areas, CT NT ST, native; N. Hotchkiss 5834 [USFWS] , Bill Harms 6494 [USFWS]
Alisma subcordatum Raf. - American Water-Plantain
Open wet areas, swamps, ditches, infrequent, locally common, native, CT, NT, ST; Bill Harms 6716 [MARY] , Bill Harms 6716 [MARY] , Matt Perry s.n. [USFWS] , Bill Harms 6716 [USFWS] , more...
Infrequent, open wet areas, swamps, CT NT ST, native; Bill Harms 6922 [USFWS] , N. Hotchkiss 6015 [USFWS]
Local, single station, edge of pond, CT, from Back Bay, VA, planted 11/26/63, exotic to refuge; F. M. Uhler s.n. [USFWS] , F. M. Uhler s.n. [USFWS]
Disturbed sites, ruderal, rare, exotic, CT, NT; Bill Harms 9630 [USFWS] , Bill Harms 7448 [USFWS]
Amaranthus hybridus L. - Smooth Amaranth
Disturbed areas, flower bed weed, rare, exotic, CT, NT; N. Hotchkiss 5720 [USFWS]
Ruderal in disturbed areas, flower bed weed, infrequent, exotic, CT, NT, ST; N. Hotchkiss 7112 [USFWS] , Bill Harms 7427 [USFWS]
Amaranthus spinosus L. - Spiny Amaranth
Flower bed weed, local, one station, exotic, NT, persisting for at least 4 years in garden; F. M. Uhler s.n. [USFWS]
Chenopodium album L. - Lamb's-Quarters
Infrequent, local common, ruderal in disturbed areas, CT NT ST, exotic; Bill Harms 9629 [USFWS] , N. Hotchkiss 5708 [USFWS]
Rare, ruderal, "waste ground", disturbed area in bottomland woods, CT NT, exotic; Bill Harms 7512 [USFWS] , N. Hotchkiss 5508 [USFWS]
Rare, ruderal in flower garden and near gravel piles, CT NT, exotic; Bill Harms 7890 [USFWS] , Bill Harms 6745 [USFWS] , Bill Harms 7998 [USFWS] , Bill Harms 7428 [USFWS]
Bottomland woods and open swamps, infreqent, native, CT, NT, ST; Bill Harms 7354 [MARY] , William H. Stickel s.n. [USFWS] , Bill Harms 6590 [USFWS] , Bill Harms 7354 [USFWS]
Allium vineale L. - Crow Garlic
Open areas, old fields, common, exotic, CT, NT, ST; Bill Harms 6683 [MARY] , Bill Harms 6683 [USFWS] , Ann Coren 19 [USFWS] , N. Hotchkiss 5262 [USFWS]
Leucojum aestivum L. - Summer Snowflake
Infrequent, near old homesteads and in gardens, CT NT ST, planted and persisting, exotic; Bill Harms 6273 [MARY] , F. C. Schmid s.n. [USFWS] , Matt Perry s.n. [USFWS] , Bill Harms 6273 [USFWS]
Narcissus poeticus L. - Poet's Narcissus
Rare, locally common, plantings mostly near old homesteads, CT NT, exotic; Bill Harms 8857 [MARY] , Bill Harms 8857 [USFWS]
Common, locally abundant, near old homesteads, CT NT ST, planted and persisting, exotic; Bill Harms 8783 [MARY] , Bill Harms 9117 [USFWS] , Bill Harms 6125 [USFWS] , N. Hotchkiss 7068 [USFWS] , more...
Local, one station, in the middle of an open field-pasture, CT, planted and persisting, exotic; Bill Harms 9118 [USFWS]
Local, one station open areas near old horse stable area, NT, planted and persisting for many years, exotic; Bill Harms 6300 [USFWS]
Local, one station open area, NT, planted and persisting, exotic; Bill Harms 7769 [USFWS]
Local one station in garden, ST, cultivated exotic; Bill Harms 7906 [USFWS]
Rhus typhina L. - Stag-Horn Sumac
Local, one station, "Thicket along brook", CT, native; N. Hotchkiss 5539 [USFWS]
Common, locally abundant, bottomland woods, open old fields, edge habitats; Common, locally abundant, bottomland woods, open old fields, edge habitats, CT NT ST; CT NT ST, native; native; Bill Harms 6501 [MARY] , Bill Harms 7433 [USFWS] , Bill Harms 8355 [USFWS] , J. W. Brainerd s.n. [USFWS] , more...
Infrequent, woodland seepages, CT NT ST, native; N. Hotchkiss 5393 [USFWS]
Woods, local, native, CT or ST; N. Hotchkiss 5784 [USFWS]
Local, known from one station, bottomland woods, NT, native; Bill Harms 6523 [USFWS]
Daucus carota L. - Queen Anne's-Lace
Common, open disturbed areas, old fields, CT NT ST, exotic; Ernest Clarke 91 [MARY] , Ann Coren 26 [USFWS] , N. Hotchkiss 5325 [USFWS] , Bill Harms 6714 [USFWS]
Infrequent, woods, near streambank, CT NT ST, native; Bill Harms 8279 [USFWS] , Bill Harms 7291 [USFWS]
Rare, habitat uncertain, collected near Cash Lake, ST, native; N. Hotchkiss 5571 [USFWS] , N. Hotchkiss 5571 [USFWS]
Sanicula canadensis var. canadensis - Canadian Black-Snakeroot
Infrequent, open oak-beech mesic woods, CT NT ST, native; Bill Harms 6614 [MARY] , Bill Harms 6614 [USFWS] , Bill Harms 9631 [USFWS] , N. Hotchkiss 5309 [USFWS]
Sium suave Walter - Hemlock Water-Parsnip
Local, known from one station, habitat uncertain, probably CT, native; Elmer G. Worthley s.n. [MARY]
Thaspium barbinode (Michx.) Nutt. - Hairy-Joint Meadow-Parsnip
Rare, bottomland woods, CT, native; N. Hotchkiss 6110 [USFWS]
Asclepias amplexicaulis Sm. - Clasping Milkweed
Open field under powerline, rare, native, CT, NT; Wayne D. Longbottom 3149 [MARY] , N. Hotchkiss 5900 [USFWS] , Bill Harms 6593 [USFWS]
Asclepias purpurascens L. - Purple Milkweed
Open field under cleared power line area, local, known from one station, native, CT; F. C. Schmid s.n. [USFWS] , F. C. Schmid s.n. [USFWS]
Asclepias viridiflora Raf. - Green Comet Milkweed
Local, known from one station, wet area near stream, ST, native; N. Hotchkiss 5970 [USFWS] , Bill Harms 8331 [USFWS]
Vinca minor L. - Lesser Periwinkle
Infrequent, locally common, open areas, near hedgerows, near old homesteads, CT NT ST, exotic; Bill Harms 8779 [MARY] , Bill Harms 6353 [USFWS] , N. Hotchkiss s.n. [USFWS] , Bill Harms 8779 [USFWS] , more...
Local, known from one station, planted ornamental, CT, exotic; Bill Harms 9190 [USFWS]
Ilex decidua Walter - Deciduous Holly
Local, known from one station, open area near house, CT, apparently planted as ornamental, probably exotic to refuge; J. B. Cope s.n. [USFWS]
Local, known from one station, ST, planted as ornamental, exotic to refuge; Bill Harms 7905 [USFWS]
Ilex laevigata (Pursh) A. Gray - Smooth Winterberry
Local, known from one station, roadside, CT, nativity to refuge uncertain; F. M. Uhler s.n. [USFWS] , N. Hotchkiss 7209 [USFWS]
Bottomland to terrace woods, seepage bogs, rare, native, CT, NT, ST - Small Jack-in-the-pulpit; Bill Harms 7788 [MARY] , Bill Harms 7788 [USFWS] , Bill Harms 9255 [USFWS]
Bottomland to terrace woods, seepage bogs, common, locally abundant, native, CT, NT, ST; Chandler S. Robbins 18 [MARY] , Victor A. Levi 19 [MARY] , Bill Harms 6302 [USFWS] , N. Hotchkiss 5090 [USFWS] , more...
Lemna minor L. - Common Duckweed
Common, locally abundant, floating on open water, impoundments, ponds, CT NT ST, native; Bill Harms 7121 [USFWS] , F. M. Uhler s.n. [USFWS] , F. M. Uhler s.n. [USFWS] , Bill Harms 9077 [USFWS] , more...
Lemna valdiviana Phil. - Pale Duckweed
Local, known from one station, open water, CT, native; F. M. Uhler s.n. [USFWS]
Local, known from one station, man-made impoundment, ST, probably exotic to refuge; Bill Harms 9078 [USFWS]
Infrequent, locally abundant, floating on open water, impoundments, ponds, CT NT ST, native; Bill Harms 7120 [USFWS] , F. M. Uhler s.n. [USFWS] , Bill Harms 6666 [USFWS]
Wolffia brasiliensis Wedd. - Brazilian Watermeal
Infrequent, locally abundant, floating on open water, impoundments, ponds, CT NT ST, native; Bill Harms 7122 [USFWS] , N. Hotchkiss 7729 [USFWS]
Aralia nudicaulis L. - Wild Sarsaparilla
Open mesic woods, rare, locally common, native, CT, NT, ST; Bill Harms 7335 [USFWS] , N. Hotchkiss 5446 [USFWS] , Matt Perry s.n. [USFWS]
Hedera helix L. - English Ivy
Open woods, climbing on trees etc, infrequent, locally common, CT NT ST, exotic; Bill Harms 7003 [MARY] , William H. Stickel s.n. [USFWS] , Bill Harms 7003 [USFWS]
Bricks and masonry; on main gate, local, CT ST, exotic; Bill Harms 9475 [USFWS] , Bill Harms 9670 [USFWS]
Hydrocotyle americana L. - American Marsh-Pennywort
Stream side, Local, known from one station, CT, to be sought eleswhere, apparently native; N. Hotchkiss 5306 [USFWS]
Hydrocotyle ranunculoides L. f. - Floating Marsh-Pennywort
In shallow water near edge of pond, known from two stations, CT, nativity to refuge uncertain; Norton 26 [MARY] , Norton 25 [MARY] , F. M. Uhler s.n. [USFWS]
Flower bed, local, known from one station, exotic, NT, planted and persisting, supporting a population of pipevine swallowtails as host plant, exotic; Bill Harms 6466 [MARY] , Bill Harms 6466 [USFWS]
Asarum canadense L. - Canadian Wild Ginger
Bottomland woods, infrequent, locally common, native, CT, NT, possibily ST; Wayne D. Longbottom 2890 [MARY] , N. Hotchkiss 5115 [USFWS] , Bill Harms 6241 [USFWS]
Roadside disturbed area, "open slope", rare, exotic, CT, NT; Bill Harms 6623 [MARY] , Bill Harms 6623 [USFWS] , N. Hotchkiss 5740 [USFWS]
Convallaria majalis L. - European Lily-of-the-Valley
In cemetery, local, known from one station, NT, native; Bill Harms 6343 [USFWS] , Bill Harms 8290 [USFWS]
Maianthemum canadense Desf. - False Lily-of-the-Valley
Bottomland woods, terrace woods, frequent, locally common, CT NT ST, native; Bill Harms 7270 [USFWS] , Bill Harms 9748 [USFWS] , N. Hotchkiss 5137 [USFWS]
Maianthemum racemosum (L.) Link - Feathery False Solomon's-Seal
Upland woods, partially cleared forest, rare, CT NT, native; Chandler S. Robbins 30 [MARY] , N. Hotchkiss 5427 [USFWS]
Open fallow, in cemetery, rare, locally common, CT NT ST, planted and persisting, exotic; Chandler S. Robbins 25 [MARY] , N. Hotchkiss 5098 [USFWS] , Bill Harms 6351 [USFWS]
Yucca filamentosa L. - Adam's-Needle
Open meadow, dry areas, rare, locally common, NT, probably exotic to refuge; Bill Harms 6647 [USFWS] , Bill Harms 6145 [USFWS]
Yucca flaccida Haw. - Weak-Leaf Yucca
Open meadow, dry areas, rare, locally common, NT, probably exotic to refuge; Bill Harms 6144 [USFWS] , Bill Harms 6615 [USFWS] , Bill Harms 6114 [USFWS]
Achillea borealis Bong. - Woolly Yarrow
Open disturbed areas, old fields, frequent, locally common, native, CT, NT, ST; N. Hotchkiss 5225 [USFWS] , Bill Harms 6565 [USFWS]
Bottomland woods, rare, native, CT, NT; F. M. Uhler s.n. [USFWS] , Bill Harms 9694 [USFWS]
Partly cleared woods, local, known from one station, probably CT, native; N. Hotchkiss 5597 [USFWS]
Open disturbed areas, old fields, frequent, locally common, exotic, CT, NT, ST; Bill Harms 6952 [MARY] , N. Hotchkiss 5509 [USFWS] , Bill Harms 9441 [USFWS] , Bill Harms 6952 [USFWS] , more...
Ambrosia trifida L. - Great Ragweed
Roadside, dry disturbed areas, ruderal, rare, exotic, CT, NT; N. Hotchkiss 5492 [USFWS] , Bill Harms 7508 [USFWS]
Open woods and margin of woods, infrequent, native, CT, NT, ST; Victor A. Levi 24 [MARY] , Bill Harms 7914 [USFWS] , W. R. Greiner s.n. [USFWS] , Bill Harms 7823 [USFWS]
Anthemis cotula L. - Stinking Chamomile
Old fields, disturbed areas, rare, CT NT ST, exotic; N. Hotchkiss 5914 [USFWS] , Bill Harms 9563 [USFWS]
"Old barnyard field", local, known from one station, native, CT, NT, ST; William H. Stickel s.n. [USFWS]
"Partly cleared woods", local, known from one station, native, CT; N. Hotchkiss 5433 [USFWS]
Artemisia vulgaris L. - Common Wormwood
Disturbed areas, frequent, locally common, exotic ruderal, CT, NT, ST; Bill Harms 8597 [MARY] , Bill Harms 7010 [USFWS] , Bill Harms 8597 [USFWS]
Roadside margin habitats, infrequent, CT, NT, ST; native; Bill Harms 7085 [MARY] , Bill Harms 7085 [USFWS] , Ann Coren 31 [USFWS] , R. E. Stewart s.n. [USFWS]
Bidens bipinnata L. - Spanish-Needles
Roadsides, disturbed areas, margin habitats, open woods, infrequent, locally common, CT, NT, ST; native; Bill Harms 9672 [USFWS] , N. Hotchkiss 5627 [USFWS] , Bill Harms 6944 [USFWS]
Bidens cernua L. - Nodding Burr-Marigold
wet areas, swamps, open seepages, rare, CT, NT; native; Bill Harms 7024 [USFWS]
Bidens comosa Wiegand - Three-Lobe Beggarticks
wet areas, swamps, rare, CT, NT, ST; native; Bill Harms 8683 [USFWS] , Bill Harms 6940 [USFWS]
Bidens frondosa L. - Devil's-Pitchfork
wet areas, marshes, open bogs and seepages, rare, CT, NT, ST; native; Bill Harms 8670 [USFWS] , F. M. Uhler s.n. [USFWS] , Bill Harms 8204 [USFWS] , N. Hotchkiss 5534 [USFWS]
Bidens vulgata Greene - Tall Beggarticks
misidentified?; N. Hotchkiss 5723 [USFWS]
Carduus nutans L. - Nodding Plumeless-Thistle
disturbed areas, old fields, rare, CT, NT, ST; exotic; James L. Reveal 7784 [MARY] , Bill Harms 8991 [MARY] , Bill Harms 8991 [USFWS] , Bill Harms 6612 [USFWS]
Centaurea solstitialis L. - Yellow Star-Thistle
Disturbed area, Local, known from one station, CT; exotic ruderal; F. M. Uhler s.n. [USFWS]
disturbed areas, old fields, open meadows, common, locally abundant, CT, NT, ST; exotic invasive; Bill Harms 5995 [MARY] , Bill Harms 8330 [USFWS] , Bill Harms 5995 [USFWS] , Bill Harms 6808 [USFWS]
Chondrilla juncea Ledeb. - Rush Skeltonweed
Common, roadsides, old fields, CT NT ST, exotic; Bill Harms 6620 [MARY] , Bill Harms 6620 [USFWS] , N. Hotchkiss 5628 [USFWS]
open meadows, roadsides, disturbed areas, common, CT, NT, ST; native; Bill Harms 6866 [USFWS] , N. Hotchkiss 6712/7012 [USFWS] , S. F. Blake s.n. [USFWS]
open meadows, roadsides, disturbed areas, frequent, locally common, CT, NT, ST; exotic invasive; L. M. Palmer 103 [MARY] , Elmer G. Worthley s.n. [MARY] , Bill Harms 6810 [USFWS] , S. F. Blake s.n. [USFWS] , more...
old fields, disturbed areas, common, locally abundant, CT, NT, ST; native; Bill Harms 8418 [USFWS] , N. Hotchkiss 5461 [USFWS] , Bill Harms 9375 [USFWS]
old fields, disturbed areas, rare, CT, NT, ST; native; Bill Harms 6878 [USFWS]
old fields, disturbed areas, frequent, locally common, CT, NT, ST; native; Bill Harms 6668 [USFWS] , Bill Harms 8207 [USFWS]
Cosmos sulphureus Cav. - Sulphur Cosmos
roadside, waif, NT, exotic; Bill Harms 5850 [USFWS]
Cyanus segetum Hill - Garden Cornflower
flower beds, distrubed areas, rare, CT, NT; exotic, not known to persist.; William H. Stickel s.n. [USFWS] , Bill Harms 7855 [USFWS]
open woods margin areas, local, CT, NT, ST; native; Bill Harms 9886 [USFWS] , William H. Stickel s.n. [USFWS] , Bill Harms 8745 [USFWS]
Echinacea purpurea (L.) Moench - Eastern Purple-Coneflower
flower gardens and adjacent areas, rare, NT; exotic, spreading where planted; Bill Harms 9338 [USFWS]
old fields, disturbed areas, gardens, infrequent, CT, NT, ST; exotic, can be weedy; Bill Harms 9086 [USFWS] , Bill Harms 7509 [USFWS] , Bill Harms 8153 [USFWS] , N. Hotchkiss 5652 [USFWS]
Elephantopus carolinianus Raeusch. - Carolina Elephant's-Foot
woodlands, local, CT; native, to be sought elsewhere; N. Hotchkiss 5557 [USFWS]
areas with recent burns or soil disturbance, common, locally abundant, CT, NT, ST; native; Bill Harms 6816 [MARY] , Bill Harms 9440 [USFWS] , Matt Perry s.n. [USFWS] , Bill Harms 6816 [USFWS] , more...
Eupatorium godfreyanum Cronquist - Godfrey's Thoroughwort
Old fields, disturbed areas, rare, possibly overlooked, CT, NT; native; Bill Harms 6851 [MARY] , Bill Harms 6851 [USFWS]
Open meadows, roadsides, disturbed areas, frequent, locally common, CT, NT, ST; native; Bill Harms 9371 [USFWS] , N. Hotchkiss 5470 [USFWS] , Bill Harms 6802 [USFWS]
Open meadow, Local, known from one station, CT, NT, ST; native; William H. Stickel s.n. [USFWS]
Roadsides, disturbed areas, margin habitats, open woods, common, CT, NT, ST; native; Bill Harms 6909 [MARY] , Bill Harms 6909 [USFWS] , N. Hotchkiss 5529 [USFWS]
open woods margin areas, roadside ditches, infrequent, locally common, CT, NT, ST; native; A. Owens s.n. [MARY] , Bill Harms 9663 [USFWS] , N. Hotchkiss 5419 [USFWS] , Bill Harms 9683 [USFWS] , more...
Eutrochium purpureum (L.) E. E. Lamont - Sweet-Scented Joe-Pye-Weed
open meadows, roadside ditches, infrequent, CT, NT, ST; native; Bill Harms 8110 [USFWS] , Bill Harms 6823 [USFWS]
disturbed areas, Known only to one station, CT; exotic; N. Hotchkiss 5235 [USFWS]
Gamochaeta purpurea (L.) Cabrera - Spoon-Leaf Purple Everlasting
Open meadows, old fields, common, CT, NT, ST; native; Bill Harms 7818 [USFWS] , N. Hotchkiss 5190 [USFWS] , Bill Harms 9784 [USFWS] , Bill Harms 6435 [USFWS]
disturbed areas, Local, known from one station, CT; exotic; William H. Stickel s.n. [USFWS]
Helenium autumnale L. - Autumn Sneezeweed
Habitat not recorded, local, only one record, CT, native; N. Hotchkiss 6028 [USFWS]
Damp brush-bordered roadside, Local, known from one station, CT, native; N. Hotchkiss 6728/7028 [USFWS]
Helianthus annuus L. - Common Sunflower
Near visitor centers and contact stations, local, NT, ST; exotic to refuge; probably sprouting from bird feeder seed; Bill Harms 8351 [USFWS] , Bill Harms 8494 [USFWS]
Helianthus decapetalus L. - Thin-Leaf Sunflower
Bottomland woods, open areas, infrequent, CT, NT, ST; native; W. R. Greiner s.n. [USFWS]
Helianthus giganteus L. - Giant Sunflower
Wet roadsides, rare, CT, NT, ST; native; Bill Harms 8700 [MARY] , N. Hotchkiss 5535 [USFWS] , Matt Perry s.n. [USFWS]
Helianthus mollis Lam. - Ashy Sunflower
open meadow, old field, local, NT; exotic, planted in experimental planting; Bill Harms 6882 [USFWS]
Helianthus tuberosus L. - Jerusalem-Artichoke
Bottomland woods, infrequent, CT, NT, ST; native; William H. Stickel s.n. [USFWS]
Hieracium scabrum Michx. - Rough Hawkweed
Old fields, open meadows., infrequent, locally common, CT, NT, ST; native; Bill Harms 6902 [USFWS] , N. Hotchkiss 5420 [USFWS] , Bill Harms 9863 [USFWS] , William H. Stickel s.n. [USFWS]
Hieracium venosum L. - Rattlesnake-Weed
Mesic woodlands; woods margins, infrequent, locally common, CT, NT, ST; native; N. Hotchkiss 5242 [USFWS] , Bill Harms 6424 [USFWS]
Ionactis linariifolius (L.) Greene - flax-leaf ankle-aster
Habitat not recorded on voucher, Local, one report, CT, native; N. Hotchkiss 5775 [USFWS]
Open old field, Local, locally common, New Maryland state record; Bill Harms 9557 [USFWS]
Krigia dandelion (L.) Nutt. - Potato Dwarf-Dandelion
Bottomland woods, open areas, Local, NT; native; Bill Harms 7356 [USFWS]
Krigia virginica (L.) Willd. - Virginia Dwarf-Dandelion
Habitat not recorded on voucher, Local, CT, native; S. F. Blake s.n. [USFWS]
Open wet woods and wet meadows, rare, locally common, CT, NT, ST; native; Bill Harms 7506 [USFWS] , S. F. Blake s.n. [USFWS] , Bill Harms 6937 [USFWS] , N. Hotchkiss 6996 [USFWS]
Lactuca saligna L. - Willow-Leaf Lettuce
disturbed areas, infrequent, locally common, ST; exotic; established around Cash Lake; Dave Anderson 1 [USFWS] , Ann Coren 30 [USFWS]
Lactuca serriola L. - Prickly Lettuce
"Dry weedy slope", Local, known from one station, CT, NT, ST; exotic; William H. Stickel s.n. [USFWS]
Liatris pilosa (Aiton) Willd. - Shaggy Gayfeather
open dry areas, infrequent, locally common, CT, NT, ST; native; Bill Harms 6964 [MARY] , Bill Harms 6964 [USFWS] , Bill Harms 9421 [USFWS] , N. Hotchkiss 5630 [USFWS]
Matricaria discoidea DC. - Pineapple-Weed
old fields, disturbed areas, local, only one record, ST; exotic; Bill Harms 9613 [USFWS]
Mikania scandens (L.) Willd. - Climbing Hempvine
Open shrub swamp, open seepages and bogs, infrequent, locally common, CT, NT, ST; native; Bill Harms 9050 [USFWS] , Bill Harms 6780 [USFWS] , William H. Stickel s.n. [USFWS] , Bill Harms 9050 [USFWS] , more...
Open woods, Local, one report, CT; native; N. Hotchkiss 5602 [USFWS]
old fields, open meadows, roadsides, disturbed areas, rare, locally common, CT, NT; native; Bill Harms 6500 [MARY] , N. Hotchkiss 5901 [USFWS] , N. Hotchkiss 7100 [USFWS] , Bill Harms 9777 [USFWS] , more...
Open areas in bottomland woods,
Rare, NT, CT native - Camphor Weed; Bill Harms 7000 [MARY] , Bill Harms 7000 [USFWS] , F. M. Uhler s.n. [USFWS]
Flower garden, local, ST; planted, exotic to refuge; Bill Harms 8150 [USFWS] , Bill Harms 9107 [USFWS]
Berberis julianae C.K. Schneid. - Wintergreen Barberry
Hedgerow, Small local populations, Planted and persisting.; Bill Harms 9716 [USFWS] , Bill Harms 9128 [USFWS]
Anchistea virginica C.Presl - Virginia Chain Fern
Swamps and seepages, infrequent, locally common, native, CT, NT, ST; N. Hotchkiss 5503 [USFWS] , Bill Harms 7293 [USFWS]
Bottomlands, open woods and fields, common, locally abundant, exotic, CT, NT, ST; Bill Harms 9747 [USFWS] , Bill Harms 6433 [USFWS]
Opuntia cespitosa Raf. - Western Prickly-Pear
source: Lucas C. Majure, Walter S. Judd, Pamela S. Soltis & Douglas E. Soltis, Taxonomic revision of the Opuntia humifusa complex (Opuntieae: Cactaceae) of the eastern United States. https://doi.org/10.11646/phytotaxa.290.1.1. PHYTOTAXA. Magnolia Press 2017.; Maynard Lauren 47 [NCU] , Bill Harms 9815 [USFWS] , Bill Harms 6592 [USFWS] , Bill Harms 9809 [USFWS]
Agrostemma githago L. - Common Corncockle
Roadside, local, one station, native, CT or ST; G. H. Jensen s.n. [USFWS]
Open disturbed areas and old fields, frequent, locally abundant, exotic, CT, NT, ST; N. Hotchkiss 5209 [USFWS] , Bill Harms 6364 [USFWS]
Thuja occidentalis L. - Eastern Arborvitae
Hedgerow, known from several locations, Planted in cemeteries, memorials, etc. Large planted stand on Central Tract; Bill Harms 7155 [USFWS] , Bill Harms 9072 [USFWS] , Bill Harms 7155 [USFWS]