Hesperaloe parviflora (Torr.) Coulter
Hesperantha baurii Baker
Hesperantha coccinea (Backh. & Harv.) Goldblatt & J.C.Manning
Hesperantha coccinea (Backh. & Harv.) Goldblatt & J.C.Manning 'Alba'
Hesperantha coccinea (Backh. & Harv.) Goldblatt & J.C.Manning 'Rosea'
Hesperantha cucullata Klatt
Hesperantha falcata (L. f.) Ker-Gawl.
Hesperantha huttonii (Baker) Hilliard & B.L.Burtt
Hesperantha latifolia (Klatt) M.P.de Vos
Hesperantha pauciflora (Baker) G.J.Lewis
Hesperantha scopulosa Hilliard & B.L.Burtt
Hesperochiron californicus (Benth.) S. Wats.
Hesperochiron pumilus (Griseb.) Porter.
Hesperocodon hederaceus (L.) Eddie & Cupido
Heterotheca jonesii (Blake) Welsh & Atwood
Heterotheca pumila (Greene) Semple
Heterotheca villosa (Pursh) Shinners
Heuchera bracteata (Torr.) Ser.
Heuchera cylindrica Douglas ex Hook. 'Alba'
Heuchera cylindrica Douglas ex Hook. 'Greenfinch'
Heuchera micrantha Douglas
Heuchera micrantha Douglas 'Palace Purple'
Heuchera pulchella Wooton & Standl.
Heuchera richardsonii R. Br.
Heuchera sanguinea Engelm. 'Alba'
Heuchera sanguinea Engelm. 'Splendens'
Heuchera x brizoides Lemoine. 'Pluie de Feu'
Hibiscus syriacus L. 'Coelestis'
Hieracium alpinum L.
Hieracium bombycinum Boiss. & Reut. ex Fr.

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