Alan Stuart Weakley

Botanist (born 1957).

Alan Stuart Weakley (born 1957) is an American botanist with expertise in the systematics, ecology, and conservation of the flora of the Southeastern United States. Weakley is the director of the UNC Herbarium at the North Carolina Botanical Garden and an adjunct associate professor at the University of North Carolina at Chapel Hill. He is the author of Flora of the Southern & Mid-Atlantic States, a manual covering the approximately 7000 vascular plants found in the Southeastern United States. As of August 2025, the International Plant Names Index lists 84 names published by Weakley. The stand

Abbreviations: Weakley
Occupations: scientific collector, botanist, botanical collector
Citizenships: United States
Dates: 1957-01-01T00:00:00Z
Birth place: Montgomery County
Direct attributions: 63 plants, 0 fungi
Authorship mentions: 64 plants, 0 fungi

63 plants attributed, 1 plant contributed to64 plants:

Gaylussacia bigeloviana (Bog Huckleberry) (Fernald) Sorrie & Weakley 2007
plant species in the ericaceae family
Gaylussacia bigeloviana, also known as the northern dwarf huckleberry or in French as the gaylussaquier de Bigelow, is a plant species native to the coastal plains of eastern Canada and the eastern United States. It grows from Newfoundland to South Carolina in swamps and marshes, including acidic bogs alongside Sphagnum peatmosses.
Trichostema austromontanum (San Jacinto Bluecurls) F.H.Lewis ex K.S.McClell. & Weakley 2021
annual plant species in the lamiaceae family
Trichostema austromontanum is a species of flowering plant in the mint family known by the common name San Jacinto bluecurls. It is native to California from the mountains east of the Sierra Nevada to the Transverse Ranges and Peninsular Ranges, its distribution extending south into Baja California. It occurs in wet mountain meadows and on the shores of lakes. It is an annual herb approaching half a meter in maximum height, its aromatic herbage coated in glandular and nonglandular hairs. The elongated or lance-shaped leaves are 2 to 5 centimeters long. The inflorescence is a series of
Crepidomanes intricatum (Weft Fern) (Farrar) Ebihara & Weakley 2011
plant species in the hymenophyllaceae family
Crepidomanes intricatum, synonym Trichomanes intricatum, is known as the weft fern. The genus Crepidomanes is accepted in the Pteridophyte Phylogeny Group classification of 2016 (PPG I), but not by some other sources. As of October 2019, Plants of the World Online sank the genus into a broadly defined Trichomanes, treating this species as Trichomanes intricatum. This is an unusual filmy fern that grows in rock shelters and crevices in the eastern United States, with the southern extent in Georgia and extending north into New England. It is known only from its filamentous gametophytes and
Arundinaria appalachiana (Hill Cane) Triplett, Weakley & L.G.Clark 2006
plant species in the poaceae family
Arundinaria appalachiana, commonly known as hill cane, is a woody bamboo native to the Appalachian Mountains in the southeastern United States. The plant was elevated to the species level in 2006 based on new morphological and genetic information and was previously treated as a variety of Arundinaria tecta. The shortest member of its genus, hill cane ranges from 0.4–1.8 metres (1 ft 4 in – 5 ft 11 in) tall with a habit ranging from diffuse to pluri-caespitose. It is one of only four temperate species of bamboo native to North America. Hill cane is common on dry to mesic sites on upland
Lithospermum parviflorum (Softhair Marbleseed) Weakley, Witsell & D.Estes 2011
perennial plant species in the boraginaceae family
Lithospermum parviflorum, commonly called Eastern Prairie Marbleseed, is a species of flowering plant in the forget-me-not family. It is native to the eastern North America. This species is a robust perennial. It produces a cyme of cream colored flowers in late spring and early summer. Although widespread, this species is spotty and uncommon throughout much of its range. Its preferred habitat, somewhat dry calcareous woodlands, barrens, and glades, has been heavily impacted by agriculture and other land-use changes. The only area this species is considered secure in is the Ridge and Valley
Geum donianum (Tratt.) Weakley & Gandhi 2008
plant species in the rosaceae family
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Lithospermum occidentale (Western Marbleseed) (Mack.) Weakley 2011
perennial plant species in the boraginaceae family
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Symphyotrichum rhiannon (Rhiannon's Aster) Weakley & Govus 2004
perennial plant species in the asteraceae family
Symphyotrichum rhiannon is a species of flowering plant endemic to a serpentine barren in western North Carolina. It has been given the vernacular Rhiannon's aster and is also known as Buck Creek aster. It is a perennial, herbaceous plant in the family Asteraceae.
Sporobolus pinetorum (Carolina Dropseed) Weakley & P.M.Peterson 1998
perennial plant species in the poaceae family
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Spigelia alabamensis (Purpleflower Pinkroot) (K.Gould) K.G.Mathews & Weakley 2011
perennial plant species in the loganiaceae family
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Ripariosida hermaphrodita (Virginia Mallow) (L.) Weakley & D.B.Poind. 2017
perennial plant species in the malvaceae family
Ripariosida is a genus of flowering plants belonging to the family Malvaceae. It includes a single species, Ripariosida hermaphrodita, a perennial native to southeastern Canada (Ontario) and the east-central United States (District of Columbia, Indiana, Kentucky, Maryland, Michigan, Ohio, Pennsylvania, Virginia, and West Virginia).
Gentiana latidens (Balsam Mountain Gentian) (House) J.S.Pringle & Weakley 2009
perennial plant species in the gentianaceae family
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Trichostema nesophilum (Dune Blue Curls) K.S.McClell. & Weakley 2019
annual plant species in the lamiaceae family
Trichostema nesophilum, commonly known as dune blue curls, Bald Head blue curls, and Carolina blue curls, is a species of flowering plant endemic to coastal dune grasslands in the southeastern United States.
Trichostema floridanum (Florida Coastal Bluecurls) K.S.McClell. & Weakley 2023
plant species in the lamiaceae family
Trichostema floridanum, commonly known as Florida bluecurls, is a species of flowering plant in the mint family (Lamiaceae). It is native to the southeastern United States and the Bahamas, where it occurs primarily in coastal and subtropical habitats. The species was described in 2023 as part of a taxonomic revision that recognized previously unrecognized diversity within North American members of the genus Trichostema.
Ptilimnium ahlesii (Carolina Bishopweed) Weakley & G.L.Nesom 2004
annual plant species in the apiaceae family
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Lithospermum subsetosum (Smooth Marbleseed) (Mack. & Bush) Weakley 2011
perennial plant species in the boraginaceae family
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Lithospermum decipiens (Alabama Marbleseed) (J.R.Allison) Weakley 2011
plant species in the boraginaceae family
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Ripariosida Weakley & D.B.Poind. 2017
plant genus in the malvaceae family
Ripariosida is a genus of flowering plants belonging to the family Malvaceae. It includes a single species, Ripariosida hermaphrodita, a perennial native to southeastern Canada (Ontario) and the east-central United States (District of Columbia, Indiana, Kentucky, Maryland, Michigan, Ohio, Pennsylvania, Virginia, and West Virginia).
Nabalus carrii (Canyon Rattlesnake Root) (Singhurst, O'Kennon & W.C.Holmes) Weakley 2011
plant species in the asteraceae family
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Nabalus autumnalis (Slender Rattlesnake Root) (Walter) Weakley 2011
plant species in the asteraceae family
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Didymoglossum punctatum ssp. floridanum (Wess.Boer) Weakley & Gann 2017
plant subspecies in the hymenophyllaceae family
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Coreopsis aristulata (Short-awn Tickseed) LeBlond, Sorrie & Weakley 2013
plant species in the asteraceae family
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Allium keeverae (Keever's Onion) D.B.Poind., Weakley & P.J.Williams 2017
plant species in the amaryllidaceae family
Allium keeverae, Keever's onion, is a species of flowering plant in the family Amaryllidaceae, native to North Carolina. There it is only found growing in the Brushy Mountains of Alexander and Wilkes counties, on the thin soil that forms near granite outcrops.
Stenanthium tennesseense (Tennessee Death-camas) Sorrie & Weakley 2017
plant species in the melanthiaceae family
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Marshallia legrandii (Tall Barbara's Buttons) Weakley 2012
perennial plant species in the asteraceae family
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Linum smallii (C.M.Rogers) K.Bradley & Weakley 2020
annual and perennial plant species in the linaceae family
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Hypericum densiflorum var. interior (Small) Sorrie & Weakley 2011
plant variety in the hypericaceae family
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Hexastylis rosei (Sinn) Weakley & D.B.Poind. 2020
plant species in the aristolochiaceae family
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Hexastylis chueyi (Sinn) Weakley & D.B.Poind. 2020
plant species in the aristolochiaceae family
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Endodeca reticulata (Nutt.) Floden & Weakley 2018
plant species in the aristolochiaceae family
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