Rudbeckia serotina f. annulata (Clute) Fernald & B.G.Schub.
Rudbeckia serotina var. corymbifera (Fernald) Fernald & B.G.Schub.
Rudbeckia serotina f. dichrona (Clute) Moldenke
Rudbeckia serotina f. flavescens (Clute) Moldenke
Rudbeckia serotina f. frondosa (Clute) Moldenke
Rudbeckia serotina f. gigantea (Clute) Moldenke
Rudbeckia serotina f. homochroma (Steyerm.) Fernald & B.G.Schub.
Rudbeckia serotina var. lanceolata (Bisch.) Fernald & B.G.Schub.
Rudbeckia serotina f. novae-caesareae Oswald
Rudbeckia serotina f. pleniflora (Moldenke) Fernald & B.G.Schub.
Rudbeckia serotina f. pulcherrima (Farw.) Fernald & B.G.Schub.
Rudbeckia serotina f. rubra (Clute) Fernald & B.G.Schub.
Rudbeckia serotina var. sericea (T.V.Moore) Fernald & B.G.Schub.
Rudbeckia serotina f. tubuliformis (Burnham) Fernald & B.G.Schub.
Rudbeckia serotina f. viridiflora (Burnham) Fernald & B.G.Schub.
Rudbeckia strigosa Nutt.
Rudbeckia hirta, commonly called black-eyed Susan, is a North American flowering plant in the family Asteraceae, native to Eastern and Central North America and naturalized in the Western part of the continent as well as in China. It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States.[2][3][4]
Rudbeckia hirta is the state flower of Maryland.[5]
^"Rudbeckia hirta L." Plants of the World Online. Board of Trustees of the Royal Botanic Gardens, Kew. Retrieved 13 April 2021.
^"Rudbeckia hirta". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
^Cite error: The named reference v was invoked but never defined (see the help page).
^Chen, Yousheng; Nicholas Hind, D. J. "Rudbeckia hirta". Flora of China. Vol. 20–21 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
^"Maryland State Flower - Black-Eyed Susan". Maryland Manual Online. Maryland State Archives. September 19, 2018. Retrieved September 8, 2020.
Rudbeckiahirta, commonly called black-eyed Susan, is a North American flowering plant in the family Asteraceae, native to Eastern and Central North America...
coneflower (Rudbeckia) Rudbeckiahirta Prairie restoration RudbeckiahirtaRudbeckia with gladiolus in Japan Rudbeckia texana Rudbeckia in Poland lectotype...
Rudbeckia laciniata, the cutleaf coneflower, is a species of flowering plant in the family Asteraceae. It is native to North America, where it is widespread...
cell walls of the anthers. Similar pollination strategy occurs in Rudbeckiahirta. The Venus Flytrap (Dionaea muscipula) presents a spectacular example...
page on butterflies shows an animated comparison of black-eyed Susan (Rudbeckiahirta) flowers in visible and UV light.[citation needed] The ultraviolet...
for the Black-Eyed Susans" because a blanket of Black-eyed Susans (Rudbeckiahirta, the state flower of Maryland) is traditionally placed around the winner's...
drape the winning horse in a garland of the Maryland State flower, Rudbeckiahirta, commonly called black-eyed Susans. This posed a problem, as the race...
bore in the receptacle of Solanum carolinense and the flowerheads of Rudbeckiahirta. Savela, Markku. "Isophrictis Meyrick, 1917". Lepidoptera and Some...
norvegica At least 39 years Onopordum acanthium At least 39 years Rudbeckiahirta At least 39 years Cuscuta polygonorum At least 39 years Lespedeza frutescens...
with apples Brown Betty (horse), a British Thooughbred racehorse. Rudbeckiahirta, a flower commonly known as brown Betty Brown Betty (teapot) "Brown...
the time of year, wildflowers such as Coreopsis, Black-eyed Susan (Rudbeckiahirta), Beard-tongue (Penstemon digitalis), Goblet Aster (Aster lateriflorus)...
name for several plants and may refer to: Rudbeckiahirta, native to eastern and central North America Rudbeckia pinnata, native to the central and eastern...
many plant species within the genus Rudbeckia. Species such as: Rudbeckia amplexicaulis, Rudbeckiahirta and Rudbeckia laciniata all serve as food plants...
bass, is found in abundance in Maryland. 1965 Flower Black-eyed susan Rudbeckiahirta A daisy with yellow petals and a dark purple center. 1918 Horse Thoroughbred...
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