Robuta

https://www.rhs.org.uk/plants/306281/rudbeckia-fulgida-little-goldstar-pbr/details Rudbeckia fulgida 'Little Goldstar'PBR | black-eyed Susan 'Little Goldstar' Herbaceous Perennial/RHS black eyed susan rudbeckia fulgida herbaceous perennial little goldstar https://www.rhs.org.uk/plants/33434/rudbeckia-fulgida-var-sullivantii/details Rudbeckia fulgida var. sullivantii | Sullivant's coneflower /RHS rudbeckia fulgida var sullivant coneflower rhs