Mentzelia is a genus of about 100 species of flowering plants in the family Loasaceae, native to the Americas. The genus comprises annual, biennial, and perennial herbaceous plants and a few shrubs.

They are commonly called blazing stars or stickleafs; other names include evening stars and moonflowers.

According to Plants of the World Online there are 100 species in this genus.^[1]

• Mentzelia adhaerens Benth.
• Mentzelia affinis Greene
• Mentzelia albescens (Gillies ex Arn.) Benth. & Hook.f. ex Griseb.
• Mentzelia albicaulis (Douglas ex Hook.) Douglas ex Torr. & A.Gray
• Mentzelia angurate Weigend
• Mentzelia arborescens Urb. & Gilg
• Mentzelia argillicola N.H.Holmgren & P.K.Holmgren
• Mentzelia argillosa J.Darl.
• Mentzelia aspera L.
• Mentzelia asperula Wooton & Standl.
• Mentzelia candelariae H.J.Thomps. & Prigge
• Mentzelia canyonensis J.J.Schenk, W.C.Hodgs. & L.Hufford
• Mentzelia chrysantha Engelm.
• Mentzelia collomiae Christy
• Mentzelia congesta (Nutt.) Torr. & A.Gray
• Mentzelia conspicua Todsen
• Mentzelia conzattii Greenm.
• Mentzelia crocea Kellogg
• Mentzelia cronquistii H.J.Thomps. & Prigge
• Mentzelia decapetala (Sims) Urb.
• Mentzelia densa Greene
• Mentzelia desertorum (Davidson) H.J.Thomps. & J.E.Roberts
• Mentzelia dispersa S.Watson
• Mentzelia eremophila (Jeps.) H.J.Thomps. & J.E.Roberts
• Mentzelia filifolia J.J.Schenk & L.Hufford
• Mentzelia floridana Nutt.
• Mentzelia flumensevera (N.H.Holmgren & P.K.Holmgren) J.J.Schenk & L.Hufford
• Mentzelia goodrichii Thorne & S.L.Welsh
• Mentzelia gracilenta Torr. & A.Gray
• Mentzelia gypsophila B.L.Turner
• Mentzelia heterosepala Weigend & E.Rodr.
• Mentzelia hirsutissima S.Watson
• Mentzelia hispida Willd.
• Mentzelia holmgreniorum J.J.Schenk & L.Hufford
• Mentzelia hualapaiensis J.J.Schenk, W.C.Hodgs. & L.Hufford
• Mentzelia humilis (Urb. & Gilg) J.Darl.
• Mentzelia incisa Urb. & Gilg
• Mentzelia integra (M.E.Jones) Tidestr.
• Mentzelia involucrata S.Watson
• Mentzelia inyoensis H.J.Thomps. & Prigge
• Mentzelia isolata Gentry
• Mentzelia jonesii (Urb. & Gilg) H.J.Thomps. & J.E.Roberts
• Mentzelia laciniata (Rydb.) J.Darl.
• Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray
• Mentzelia lagarosa (K.H.Thorne) J.J.Schenk & L.Hufford
• Mentzelia leucophylla Brandegee
• Mentzelia librina (K.H.Thorne & F.J.Sm.) J.J.Schenk & L.Hufford
• Mentzelia lindheimeri Urb. & Gilg
• Mentzelia lindleyi Torr. & A.Gray
• Mentzelia longiloba J.Darl.
• Mentzelia marginata (Osterh.) H.J.Thomps. & Prigge
• Mentzelia memorabilis N.H.Holmgren & P.K.Holmgren
• Mentzelia mexicana H.J.Thomps. & Zavort.
• Mentzelia micrantha (Hook. & Arn.) Torr. & A.Gray
• Mentzelia mollis M.Peck
• Mentzelia monoensis Brokaw & L.Hufford
• Mentzelia montana (Davidson) Davidson
• Mentzelia multicaulis (Osterh.) J.Darl.
• Mentzelia multiflora (Nutt.) A.Gray
• Mentzelia nesiotes (I.M.Johnst.) Brokaw & J.J.Schenk
• Mentzelia nitens Greene
• Mentzelia nuda (Pursh) Torr. & A.Gray
• Mentzelia obscura H.J.Thomps. & J.E.Roberts
• Mentzelia oligosperma Nutt. ex Sims
• Mentzelia oreophila J.Darl.
• Mentzelia pachyrhiza I.M.Johnst.
• Mentzelia packardiae Glad
• Mentzelia paradoxensis J.J.Schenk & L.Hufford
• Mentzelia parvifolia Urb. & Gilg ex Kurtz
• Mentzelia pattersonii B.L.Turner
• Mentzelia pectinata Kellogg
• Mentzelia perennis Wooton
• Mentzelia polita A.Nelson
• Mentzelia procera (Wooton & Standl.) J.J.Schenk & L.Hufford
• Mentzelia pterosperma Eastw.
• Mentzelia puberula J.Darl.
• Mentzelia pumila Torr. & A.Gray
• Mentzelia ravenii H.J.Thomps. & J.E.Roberts
• Mentzelia reflexa Coville
• Mentzelia reverchonii (Urb. & Gilg) H.J.Thomps. & Zavort.
• Mentzelia rhizomata Reveal
• Mentzelia rusbyi Wooton
• Mentzelia saxicola H.J.Thomps. & Zavort.
• Mentzelia scabra Kunth
• Mentzelia sericea Weigend
• Mentzelia shultziorum Prigge
• Mentzelia sivinskii J.J.Schenk & L.Hufford
• Mentzelia solieri (Gay) Urb. & Gilg
• Mentzelia speciosa Osterh.
• Mentzelia springeri (Standl.) Tidestr.
• Mentzelia strictissima (Wooton & Standl.) J.Darl.
• Mentzelia texana Urb. & Gilg
• Mentzelia thompsonii Glad
• Mentzelia tiehmii N.H.Holmgren & P.K.Holmgren
• Mentzelia todiltoensis N.D.Atwood & S.L.Welsh
• Mentzelia torreyi A.Gray
• Mentzelia tricuspis A.Gray
• Mentzelia tridentata (Davidson) H.J.Thomps. & J.E.Roberts
• Mentzelia uintahensis (N.H.Holmgren & P.K.Holmgren) J.J.Schenk & L.Hufford
• Mentzelia veatchiana Kellogg

• Flora of Bolivia checklist: Mentzelia
• Flora of Missouri checklist: Mentzelia