Grindelia acutifolia Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia aggregata Steyerm. (original description)
Grindelia arenicola Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia arenicola f. trichophora Steyerm. accepted as Grindelia stricta var. platyphylla (Greene) M.A.Lane (original description)
Grindelia arenicola var. pachyphylla Steyerm. accepted as Grindelia stricta var. platyphylla (Greene) M.A.Lane (original description)
Grindelia arizonica var. dentata Steyerm. accepted as Grindelia arizonica A.Gray (original description)
Grindelia arizonica var. microphylla Steyerm. accepted as Grindelia arizonica A.Gray (original description)
Grindelia arizonica var. stenophylla Steyerm. accepted as Grindelia arizonica A.Gray (original description)
Grindelia blakei Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia camporum f. foliacea Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia camporum var. abbreviata Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia camporum var. australis Steyerm. (original description)
Grindelia camporum var. davyi (Jeps.) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia camporum var. interioris (Jeps.) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia camporum var. parviflora Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia decumbens var. subincisa (Greene) Steyerm. accepted as Grindelia decumbens Greene (original description)
Grindelia greenei Steyerm. accepted as Grindelia lanceolata var. greenei (Steyerm.) G.L.Nesom (original description)
Grindelia greenmanii Steyerm. (original description)
Grindelia hallii Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia havardii Steyerm. (original description)
Grindelia hirsutula f. cacumena Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia hirsutula f. glabrata Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia hirsutula f. patens (Greene) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia hirsutula f. pedunculoides Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia hirsutula f. tomentulosa Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia howellii Steyerm. (original description)
Grindelia humilis f. pubescens Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia humilis f. reflexa Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia inornata var. angusta Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia integrifolia f. dentata Steyerm. accepted as Grindelia integrifolia DC. (original description)
Grindelia integrifolia f. villosa Steyerm. accepted as Grindelia integrifolia DC. (original description)
Grindelia inuloides var. glandulosa (Greenm.) Steyerm. (original description)
Grindelia lanceolata f. latifolia Steyerm. accepted as Grindelia lanceolata Nutt. (original description)
Grindelia littoralis Steyerm. accepted as Grindelia lanceolata Nutt. (original description)
Grindelia maritima (Greene) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia maritima f. anomala Steyerm. (original description)
Grindelia microcephala var. adenodonta Steyerm. accepted as Grindelia adenodonta (Steyerm.) G.L.Nesom (original description)
Grindelia microcephala var. montana Steyerm. accepted as Grindelia oaxacana G.L.Nesom (original description)
Grindelia microcephala var. pusilla Steyerm. accepted as Grindelia pusilla (Steyerm.) G.L.Nesom (original description)
Grindelia nana f. brownii (A.Heller) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia nana f. longisquama Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia nana f. puberula Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia nelsonii Steyerm. (original description)
Grindelia oxylepis f. capitellata Steyerm. accepted as Grindelia oxylepis Greene (original description)
Grindelia oxylepis var. eligulata Steyerm. accepted as Grindelia eligulata (Steyerm.) G.L.Nesom (original description)
Grindelia palmeri Steyerm. (original description)
Grindelia revoluta Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia robinsonii Steyerm. (original description)
Grindelia rubricaulis f. minor Steyerm. (original description)
Grindelia rubricaulis f. pubescens Steyerm. (original description)
Grindelia rubricaulis f. villosa Steyerm. (original description)
Grindelia rubricaulis var. bracteosa (J.T.Howell) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia rubricaulis var. elata Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia rubricaulis var. latifolia (Kellogg) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia rubricaulis var. permixta Steyerm. (original description)
Grindelia rubricaulis var. platyphylla (Greene) Steyerm. accepted as Grindelia stricta var. platyphylla (Greene) M.A.Lane (original description)
Grindelia rubricaulis var. robusta (Nutt.) Steyerm. (original description)
Grindelia scabra var. neomexicana (Wooton & Standl.) Steyerm. accepted as Grindelia arizonica A.Gray (original description)
Grindelia squarrosa f. angustior Steyerm. accepted as Grindelia squarrosa (Pursh) Dunal (original description)
Grindelia squarrosa f. depressa Steyerm. accepted as Grindelia squarrosa (Pursh) Dunal (original description)
Grindelia squarrosa var. serrulata (Rydb.) Steyerm. accepted as Grindelia squarrosa (Pursh) Dunal (original description)
Grindelia stricta f. elongata Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia stricta f. venulosa (Jeps.) Steyerm. accepted as Grindelia hirsutula Hook. & Arn. (original description)
Grindelia subalpina var. erecta (A.Nelson) Steyerm. accepted as Grindelia subalpina Greene (original description)
Grindelia sublanuginosa Steyerm. (original description)
Grindelia tenella Steyerm. (original description)