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Twisted-hair Spikemoss,
Bryodesma tortipilum
The small, tightly overlapping, linear leaves have apical, twisted bristles, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont.
Appalachian Filmy-fern,
Vandenboschia boschiana
Sporangia borne on stalks or bristles projecting from conelike indusia, per Peterson Field Guide to Ferns of Northeastern and Central North America.
Dwarf Filmy-fern,
Didymoglossum petersii
Sporangia borne on stalks or bristles projecting from conelike indusia, per Peterson Field Guide to Ferns of Northeastern and Central North America.
River Cane,
Arundinaria gigantea
Bristles 6-9mm long on both sides of the throat, per Forest Plants of the Southeast and Their Wildlife Uses.
Giant Timber Bamboo,
Phyllostachys bambusoides
Leaf sheaths with 2 tufts of bristles on auricles, per Woody Plants of the Southeastern US: A Winter Guide.
Virginia Wild-rye,
Elymus virginicus
Can be confused with Secale cereale which often nods but has longer bristles, per Grasses, an Identification Guide by Lauren Brown.
Yellow Foxtail,
Setaria pumila
Longer bristles 2-3x as long as the spikelet, per Manual of the Grasses of the United States.
Yellow Foxtail,
Setaria pumila
4-12 bristles below each spikelet, per Weakley's Flora (2020).
coastal bristlegrass,
Setaria corrugata
Bristles green or purple, to 2cm long - much exceeding the spikelets, per Manual of the Grasses of the United States.
Slimbristle Sandspur,
Cenchrus brownii
Most outer bristles equaling or slightly exceeding inner, flattened bristles, per Utah State University: Intermountain Herbarium.
Tender Fountaingrass,
Cenchrus setaceus
Pennisetum's spikelets are surrounded by an involucre of bristles, per Manual of the Grasses of the United States.
Chinese Fountaingrass,
Cenchrus purpurascens
Softly bristly panicles 8-15cm long; bristles of the fascicles to 2cm long, per Manual of the Grasses of the United States.
Big Bluestem,
Andropogon gerardi
Bristles (awns) that project from the flowers are sharply bent, per Book of Field and Roadside.
Saltmarsh Bulrush,
Bolboschoenus robustus
Inflorescence relatively congested, most w 5-20 spikelets; bristles ~ caducous, per Weakley's Flora.
Georgia Bulrush,
Scirpus georgianus
Spikelets in umbellate clusters or heads. Nutlets whitish; bristles us. absent, per Vascular Flora of the Carolinas.
Tawny Cottongrass,
Eriophorum virginicum
Produces many long, soft, cotton-like bristles when in fruit, per Wild Flowers of NC, 2nd edition.
Radford's Sedge,
Carex radfordii
The scales on the female-flowered spikes have long bristles, per Field Guide to the Rare Plants of Georgia.
Appalachian Small Spreading Pogonia,
Cleistesiopsis bifaria
The protruding lip has purple markings and a blotch of yellow bristles, per Wild Orchids of South Carolina: A Popular Natural History.
Bearded Grass-pink,
Calopogon barbatus
The bright yellow bristles on the lip resemble stamens full of pollen, per Wild Orchids of South Carolina: A Popular Natural History.
Common Grass-pink,
Calopogon tuberosus var. tuberosus
Upper petal (lip) narrow, spreading to a triangular tip w orange bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Pin Oak,
Quercus palustris
Leaves deeply 5-7 lobed, sinuses rounded, larger lobes with 3+ bristles, per Trees of the Southeastern United States.
Scarlet Oak,
Quercus coccinea
Leaves deeply 5-9 lobed, sinuses rounded, larger lobes with 3+ bristles, per Trees of the Southeastern United States.
Spotted Lady's-thumb,
Persicaria maculosa
Bristles of ocreae 0.2-1.3 (-2) mm long, per Weakley's Flora (2015).
Spotted Lady's-thumb,
Persicaria maculosa
Similar to P. longiseta, but bristles on the leaf node collars only 2mm long, per Wildflowers of the Sandhills Region.
European Barberry,
Berberis vulgaris
Leaf margins finely serrate, each w (8)16-30 teeth tipped w spines or bristles, per Flora of North America.
Waterwheel-plant,
Aldrovanda vesiculosa
Leaf whorls 1-2cm in diam., bristles extending slightly beyond leaf blade, per Flora of China.
Miccosukee Gooseberry,
Ribes echinellum
Ovary and fruit are densely covered in long, gland-tipped bristles, per Guide to the Wildflowers of SC.
Common Dewberry,
Rubus flagellaris
Stems armed with stout-based and usually recurved prickles (bristles lacking), per Weakley's Flora.
Swamp Dewberry,
Rubus hispidus
Slender stems trailing on ground, terete, with bristles, per Native Shrubs and Woody Vines of the Southeast.
Southern Agrimony,
Agrimonia parviflora
Hypanthium with several rows of hooked bristles encloses the single nutlet, per Vascular Flora of the Carolinas.
Woodland Agrimony,
Agrimonia rostellata
Fruiting hypanthia hemispheric, hooked bristles in 2-3 circumferential rows, per Flora of North America.
Downy Agrimony,
Agrimonia pubescens
Hypanthium with several rows of hooked bristles enclosing the single nutlet, per Vascular Flora of the Carolinas.
Buffalo Clover,
Trifolium reflexum
Calyx lobes subulate [awl-shaped], setaceous [having bristles], < 0.4mm wide, per Weakley's Flora.
Dwarf Bristly Locust,
Robinia nana
Resembling R. hispida (Bristly Locust) but lacking its bristles. Will Stuart
Kelsey's Locust,
Robinia hispida var. kelseyi
Twigs glabrous or with a few bristles, per Woody Plants of the Southeastern US: A Winter Guide.
Nettleleaf Noseburn,
Tragia urticifolia
Spherical capsule in 3s, 4-10mm wide, greenish with white bristles, per Forest Plants of the Southeast and Their Wildlife Uses.
Canada Enchanter's Nightshade,
Circaea canadensis
Fruit uncinate-bristly [the bristles have hooks at their tips], per Vascular Flora of the Carolinas.
Bristly Sarsaparilla,
Aralia hispida
Lower stem beset w slender bristles, also several bipinnate cauline leaves, per Wildflowers of the Southern Mountains.
Canada Sanicle,
Sanicula canadensis var. canadensis
Fruit pedicellate, bristles in indistinct rows w swollen bases [& hooked tips], per Vascular Flora of the Carolinas.
Small's Sanicle,
Sanicula smallii
Sepals on mature fruit somewhat spreading, immersed in adjacent fruit bristles, per Weakley's Flora.
Ravenel's Eryngo,
Eryngium ravenelii
Leaves w primary veins pinnate-reticulate, with or without marginal bristles, per Weakley's Flora.
Queen Anne's Lace,
Daucus carota
Bristles of fruit simple or weakly uncinate, rarely weakly glochidiate, per Vascular Flora of the Carolinas.
Bur Chervil,
Anthriscus caucalis
Mericarps densely beset with hooked (uncinate) bristles, ribs obsolete, per Weakley's Flora (2015).
Swamp Azalea,
Rhododendron serrulatum
Leaves glabrous below, except for strigose bristles along midrib & major veins, per Weakley's Flora.
Spotted Phacelia,
Phacelia maculata
Sepals have prominent bristles at their margins, per Guide to the Plants of Granite Outcrops.
Clingman's Hedgenettle,
Stachys clingmanii
Differs from S. latidens in having long spreading bristles on stem's angles, per Wildflowers of the Southern Mountains.
Poor-joe,
Hexasepalum teres
Leaves stiff with bristles at their base, per Newcomb's Wildflower Guide.
Poor-joe,
Hexasepalum teres
Stipules to 0.4" long have a short sheath and 5-8 bristles, per Wildflowers of Tennessee.
Cleavers,
Galium aparine
Angled rough-textured stem with short recurved bristles, per Forest Plants of the Southeast and Their Wildlife Uses.
Common Cocklebur,
Xanthium chinense
Female flowers enclosed by the involucre, forming a bur w hooked bristles, per Wildflowers of the Eastern United States.
Barbed Rattlesnake-root,
Nabalus barbatus
Phyllaries densely setose [covered with bristles], per Weakley's Flora (2012).
Annual Sowthistle,
Sonchus oleraceus
Pappus bristles white, capillary, per Vascular Flora of the Carolinas.
Carolina False-dandelion,
Pyrrhopappus carolinianus
Pappus bristles whitish-tan, capillary, 8-10mm long, per Vascular Flora of the Carolinas.
Common Dandelion,
Taraxacum officinale
Fruits olive-brown achenes, pappus a tuft of white hairlike bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Small's Ragwort,
Packera anonyma
Fruit ellipsoid achenes; pappus a tuft of white bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Golden Ragwort,
Packera aurea
Fruits brownish cylindric achenes; pappus a tuft of white bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Rugel's Ragwort,
Rugelia nudicaulis
Achenes are brown, smooth & cylindric; pappus is a tuft of white bristles, per Wildflowers of Tennessee, the Ohio Valley, and the Southern Appalachians.
Fireweed,
Erechtites hieraciifolius
Nutlets tapered, brown, ribbed, topped by soft and bright-white bristles, per Forest Plants of the Southeast and Their Wildlife Uses.
Common Yellow Thistle,
Cirsium horridulum var. horridulum
The bristles (technically "pappus") on seeds expand into fluffy thistledown, per Atlantic Coastal Plain Wildflowers.
Nodding Thistle,
Carduus nutans
The pappus bristles of Carduus are simple (vs. feathery in Cirsium), per Wildflowers of the Southern Mountains.