Dig deeper at SERNEC, a consortium of southeastern herbaria.

Weakley (2022) splits R. fulgida into two full species -- R. fulgida & R. spathulata. Details of abundance between these two have not been clarified. Read more at Vascular Plants of North Carolina.

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Rudbeckia fulgida var. fulgida   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America

Rudbeckia fulgida var. spathulata

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-003?:

Rudbeckia fulgida   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)

Rudbeckia spathulata

COMMON NAME:
Orange Coneflower

NameThatPlant has no pictures at this time. You might try this link: Flora of the Southeastern United States

WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Rudbeckia spathulata   FAMILY Asteraceae

INCLUDED WITHIN PLANTS NATIONAL DATABASE:
Rudbeckia fulgida var. fulgida   FAMILY Asteraceae

SYNONYMOUS WITH Flora of North America
Rudbeckia fulgida var. spathulata

INCLUDED WITHIN VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 179-61-003?:
Rudbeckia fulgida   FAMILY Asteraceae

SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Rudbeckia spathulata