<Li> Rudbeckia floridana T.V. Moore, syn of var . floridana </Li> <Li> Rudbeckia lanceolata Bisch., syn of var . pulcherrima </Li> <Li> Rudbeckia longipes T.V. Moore, syn of var . pulcherrima </Li> <Li> Rudbeckia sericea T.V. Moore, syn of var . pulcherrima </Li>

Where did black eyed susan get its name