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Staghorn Clubmoss,
Lycopodium clavatum
Rhizome is above ground, with leaves like those of the upright stems, per Ferns of the Smokies (Evans, 2005).
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Hay-scented Fern,
Sitobolium punctilobulum
Fronds on long rhizomes, forming vigorous colonies in open disturbed areas, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Ladder Brake,
Pteris vittata
Frond bases are brown and covered with the same hair-like scales as rhizomes, per New Invaders of the Southeast (Rawlins et al., 2018).
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Lowland Bladder Fern,
Cystopteris protrusa
Long-creeping rhizome extends forward past emerging fronds (thus protrusa), per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Lowland Bladder Fern,
Cystopteris protrusa
Gently explore the soil below outermost emergent fronds to feel rhizome tip, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Evergreen Woodfern,
Dryopteris intermedia
Delicate fronds rise in upright circular clusters from a central rhizome, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Spinulose Woodfern,
Dryopteris carthusiana
Tends to form clumps, because of short-creeping rhizome, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Virginia Chain-fern,
Anchistea virginica
Fronds upright, scattered along rhizomes and emerging individually, per Peterson Field Guide to Ferns of Northeastern and Central North America.
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Hill Cane,
Arundinaria appalachiana
Rhizomes sometimes hollow-centered, air canals sometimes present, per Morphological comparison of Arundinaria appalachiana, A. tecta, and A. gigantea by Jimmy K. Triplett.
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Giant Reed,
Arundo donax
Seeds apparently sterile. Reproduction is from fragments of stems & rhizomes, per Invasive Plants, Weeds of the Global Garden (Randall & Marinelli, 1996).
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Common Reed,
Phragmites australis
Culms erect, with stout creeping rhizomes and often also with stolons, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Smooth Brome,
Bromus inermis
Plants with creeping rhizomes, forming clonal colonies, per Weakley's Flora (2012).
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Quackgrass,
Elymus repens
With yellowish creeping rhizomes, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Cogongrass,
Imperata cylindrica
New plants arise from horizontal underground stems or "rhizomes", per Field Guide to the Identification of Cogongrass.
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Bermuda Grass,
Cynodon dactylon
Extensively creeping by scaly rhizomes or strong flat stolons, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Reed Canarygrass,
Phalaris arundinacea
Scaly rhizomes, per Weakley's Flora (2012).
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Perennial Foxtail-grass,
Setaria parviflora
Panicle 3-8(10)cm long; plant from knotty rhizomes, per Weakley's Flora (2015).
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Bahia-grass,
Paspalum notatum
Shallow, often exposed, reddish to purple-colored, rhizomes, per Weeds of Southern Turfgrasses (Murphy et al., 1992).
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Seaside Panicum,
Panicum amarum
Stems solitary or in clumps; plant glaucous, glabrous, w extensive rhizomes, per Wildflowers of the Eastern United States (Duncan & Duncan, 1999).
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Switchgrass,
Panicum virgatum var. virgatum
Scaly creeping rhizomes, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Torpedo Grass,
Panicum repens
Pointed tips of its extensive rhizomes (reaching 18'+) give this its name, per Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007).
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Chinese Silvergrass,
Miscanthus sinensis
Very small pieces of rhizome can propagate new clumps, per Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007).
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Yellow Indiangrass,
Sorghastrum nutans
Culms 1-2.5m tall from short, scaly rhizomes, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Elliot's Indiangrass,
Sorghastrum elliottii
Culms more slender than S. nutans, without rhizomes, blades narrower, per Manual of the Grasses of the United States (Hitchcock & Chase, 1950).
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Many-flowered Flatsedge,
Cyperus lancastriensis
Short rhizomes scarcely visible between culm bases. Culms basally cormlike, per Flora of North America.
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Canada spikesedge,
Eleocharis geniculata
Plants tufted, without creeping rhizomes, per Flora of North America.
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Marsh Fimbry,
Fimbristylis castanea
Plant cespitose, lacking rhizomes; lf bases leathery, dark brown, deeply set, per Weakley's Flora (2015).
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Softstem Bulrush,
Schoenoplectus tabernaemontani
Forms dense colonies from horizontal rhizomes. Stems stout, 1-3cm at base, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Georgia Bulrush,
Scirpus georgianus
Coarse tufted perennial from short, thick rhizomes. Blade tips 3-angled, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Heavy Sedge,
Carex gravida
Plants without conspicuous rhizomes, per Flora of North America.
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Low Woodland Sedge,
Carex socialis
Culms arise scattered along creeping rhizomes [not in tight clumps], per Weakley's Flora (2020).
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Pennsylvania Sedge,
Carex pensylvanica
Plants form loose clumps and create colonies from spreading rhizomes, per www.minnesotawildflowers.info.
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Appalachian Woodland Sedge,
Carex austrolucorum
Plants with long rhizomes, forming clonal patches, per Weakley's Flora (2022).
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Walter’s Sedge,
Carex striata var. striata
Forming large clonal colonies by rhizomes, per Weakley's Flora (2015).
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Sallow Sedge,
Carex lurida
Plants densely to loosely cespitose; rhizomes short, no more than 10cm, per Flora of North America.
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Japanese Sand Sedge,
Carex kobomugi
Sand burial seems to stimulate growth of rhizomes, per Invasive Plants, Guide to Identification, Impacts and Control (Kaufman & Kaufman, 2007).
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Soft Rush,
Juncus effusus ssp. solutus
Rhizomes short-branched, in distinct often large clumps. Culms erect, terete, per Flora of North America.
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Catesby's Trillium,
Trillium catesbyi
Rhizome horizontal, 2-4cm long, 10-15mm in diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Indian Cucumber-root,
Medeola virginiana
Tapered, white, tuberlike, horizontal rhizomes, 3-8 x 1cm, per Flora of North America.
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Carolina Redroot,
Lachnanthes caroliniana
Leaves distichous and bases overlapping (like Iris). Roots and rhizomes red, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Downy Rattlesnake-orchid,
Goodyera pubescens
Plants spread by underground stems (rhizomes) and may have multiple rosettes, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011).
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Lizard's-tail,
Saururus cernuus
Perennial wetland herb that forms large colonies from underground rhizomes, per Atlantic Coastal Plain Wildflowers (Nelson, 2006).
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Reflexed Wild Ginger,
Asarum reflexum
Plants spread both by seeds and by rhizomes, sometimes in dense carpets, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011).
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Fragrant White Water-lily,
Nymphaea odorata ssp. odorata
Free-floating and anchored from a thick rhizome, per Wildflowers of the Carolina Lowcountry (Porcher, 1995).
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Bloodroot,
Sanguinaria canadensis
Thick rhizomes with bright orange-red juice, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Pale Violet,
Viola striata
Rhizomes thick, more than 4mm in diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Goutweed,
Aegopodium podagraria
Leaves arising from the rhizomes typically outnumber flower-bearing stems, per USDA Forest Service Weed of the Week (Northeastern Area).
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Bunchberry,
Chamaepericlymenum canadense
Herb or dwarf shrub from a woody rhizome, to 2dm tall, per Weakley's Flora (2022).
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Florida Betony,
Stachys floridana
Slender rhizomes terminated by segmented tuberous structures to 1cm diameter, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Appalachian Mountain-mint,
Pycnanthemum montanum
Herbaceous perennial with long rhizomes; stems to 3' tall, per Guide to the Wildflowers of SC (Porcher & Rayner, 2001).
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Northern Tall Flat-top White Aster,
Doellingeria umbellata var. umbellata
Plants with stems scattered from creeping rhizomes (forming clonal patches), per Weakley's Flora (2015).
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Gorge Goldenrod,
Solidago faucibus
Rhizome.
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Eastern Gray Goldenrod,
Solidago nemoralis var. nemoralis
Rhizomes short, stems erect, terete, puberulent, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Licorice Goldenrod,
Solidago odora
Rhizomes short, per Vascular Flora of the Carolinas (Radford, Ahles, & Bell, 1968).
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Wrinkleleaf Goldenrod,
Solidago rugosa var. rugosa
Stems from elongated creeping rhizomes, per Weakley's Flora (2015).
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Tall Goldenrod,
Solidago altissima var. altissima
Stems are 0.8-2m tall from a creeping rhizome, forming colonies, per Forest Plants of the Southeast and Their Wildlife Uses (Miller & Miller, 2005).
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Common Silkgrass,
Pityopsis nervosa
Plants spread vegetatively by underground stems (rhizomes), forming colonies, per Wildflowers & Plant Communities of the Southern Appalachian Mountains and Piedmont (Spira, 2011).