Hirta:  Answers to key questions in Budd's Flora leading to this species.   leaves, at least the lower ones, deeply lobed and divided disk of flower head greenish yellow; NOT dark brown

 

Rudbeckia: Answers to key questions in Budd's Flora and Flora of Alberta leading to this genus.  plants perennial plants NOT with a woody caudex juice watery; NOT milky plants more or less leafy-stemmed (although the leaves may be confined to the lower part of the stem); NOT scapose or scapiform with cauline leaves none or few and reduced to mere bracts all leaves (including lower ones) alternate leaves NOT linear leaves NOT divided into narrow segments flower heads 5 cm or wider across; NOT 25 mm or less involucre NOT glandular-glutinous receptacle with chaffy scales between florets; NOT naked, NOT merely bristly both tubular and ray florets present ray florets neutral, sterile; NOT female; NOT perfect rays conspicuous rays NOT subtended by receptacular bracts rays yellow (sometimes marked with purple or reddish brown at base); NOT orange, NOT white to pink, NOT purple, NOT blue stamens united to form a tube around the pistil achenes 4-sided; NOT flattened laterally achenes marginless pappus absent, or present merely as a short toothed or irregular crown; NOT composed of scales, bristles, barbs, or hairs