Contains 3 accepted taxa overall.

Characteristics
Marshallia Schreb.
BARBARA'S BUTTONS
Classification
ASTERALES
Marshallia
Citation
MARSHALLIA Schreber, Gen. Pl. 810. 1791, nom. cons.
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TYPE: Marshallia obovata (Walter) Beadle & F. E. Boynton, typ. cons. (Athanasia obovata Walter)
Distribution Map Present

This species have been reported in the counties highlighted.

Species
Scientific Name Common Name Herbarium Specimens Status Photos
Marshallia graminifolia GRASSLEAF BARBARA'S BUTTONS Native OBL (NWPL) FACW (DEP)
Marshallia obovata SPOONSHAPE BARBARA'S BUTTONS Native Rare-State
Marshallia ramosa SOUTHERN BARBARA'S BUTTONS Native Rare-State FACU (NWPL)
Identification Key
1.  Cauline leaves mostly 5–33 mm wide, 3-13 times longer than wide; corolla white
1.  Cauline leaves mostly 1-5 mm wide, 13-30 times longer than wide; corolla white, pink, to purple
2
2.  Corollas usually white, rarely pale pink; peduncle hairs lacking purple color; phyllaries acute to obtuse; flowering May-Jun
2.  Corollas usually pink to purple, rarely white; peduncle hairs usually with purple color (sometimes only the septae); phyllaries acuminate to subulate-tipped; flowering Jul-Sep
3
3.  Basal and proximal leaves linear-lanceolate, ascending, relatively firm, secondary veins prominent
3.  Basal and proximal leaves spatulate, elliptic, oblong, spreading, relatively membranous, secondary veins not prominent
Genus Synonyms
Synonym Full Citation Basionym Type
Persoonia Persoonia Michaux, Fl. Bor.-Amer. 2: 104, t. 43. 1803, non Smith 1798 (nom. rej.), nec Willdenow 1799 (nom. cons.). TYPE: Persoonia lanceolata Michaux Lectotypified by Channell, Contr. Gray Herb. 181: 65. 1957.
Phyteumopsis Phyteumopsis Jussieu ex Poiret, in Lamarck, Encycl., Suppl. 4: 405. 1816. TYPE: = Marshallia Schreber 1791.
Therolepta Therolepta Rafinesque, Neogenyton 3. 1825. TYPE: Therolepta pumila Rafinesque
Trattenikia Trattenikia Persoon, Syn. Pl. 2: 403. 1807, non Trattinickia Willdenow 1806. TYPE: = Marshallia Schreber 1791.