1 "Mid-cauline leaves largest" 2 1 "Proximal cauline or basal leaves largest" 4 2 "Peduncle bracts, and/or phyllaries sparsely to moderately minutely stalked-glandular; stem generally glabrous proximally; inflorescence pyramid-shaped, proximal branches not crowded; n SNH, MP" "Solidago lepida var. salebrosa" 2 "Inflorescence not glandular; stem +- hairy to base, not waxy distally; inflorescence pyramid- or club-shaped; widespread" 3 3 "Inflorescence +- widely pyramid-shaped; involucre 3--5 mm; leaves weakly serrate; disturbed sites" "Solidago altissima subsp. altissima" 3 "Inflorescence +- club-shaped; involucre 2.5--3.5 mm; leaves generally serrate; +- undisturbed sites" "Solidago elongata" 4 "Inflorescence generally flat- to round-topped; phyllaries long-acuminate, not strongly graduated; leaf generally long-ciliate" "Solidago multiradiata" 4 "Inflorescence generally panicle- or raceme-like, generally +- pyramid- or club-shaped, but not flat- or round-topped; phyllaries obtuse, rounded, acute or acuminate, +- strongly graduated; leaf not long-ciliate" 5 5 "Leaves and heads strongly resinous; NCo, NCoRO, NCoRI, CCo, SnFrB" "Solidago spathulata" 5 "Leaves and heads not strongly resinous; widespread" 6 6 "Herbage sparsely to densely short-hairy; distal nodes without axillary leaf-clusters" 7 6 "Herbage +- glabrous; distal nodes often with axillary leaf-clusters" 8 7 "Herbage +- densely short-hairy; outer phyllaries strigose; disk corolla throat obscure" "Solidago velutina subsp. californica" 7 "Herbage +- sparsely short-hairy; outer phyllaries +- glabrous; disk corolla throat +- obvious" "Solidago velutina subsp. sparsiflora" 8 "Phyllaries lanceolate to +- ovate, not inrolled, obtuse to acuminate; rays 6--21; KR, CaRH, n SNH (e slope), GB" "Solidago spectabilis" 8 "Phyllaries very narrowly triangular, inrolled near tip, sharply acute; rays 3--13; Teh, CW, SW, W&I, n DMtns" 9 9 "Leaves generally < 10 × longer than wide; inflorescence generally club-shaped, panicle-like" "Solidago confinis" 9 "Leaf generally 10+ × longer than wide; inflorescence generally narrow, sometimes spike-like --- s SCoRI" "Solidago guiradonis"