Achillea kermanica Gand. accepted as Achillea santolinoides subsp. wilhelmsii (K.Koch) Greuter (original description)
Anandria laevipes Gand. (original description)
Arnica eriopoda Gand. accepted as Arnica latifolia Bong. (original description)
Artemisia coloradensis Gand. (original description)
Artemisia turcomanica Gand. accepted as Seriphidium turcomanicum (Gand.) Poljakov (original description)
Aster behringensis Gand. (original description)
Aster humistratus Gand. (original description)
Blumea pappii Gand. accepted as Blumea viscosa (Mill.) V.M.Badillo (original description)
Calea colombiana Gand. (original description)
Carduus transcaspicus Gand. (original description)
Celmisia neozelandica Gand. accepted as Celmisia gracilenta Hook.f. (original description)
Centaurea sintenisiana Gand. (original description)
Eclipta philippinensis Gand. accepted as Eclipta prostrata (L.) L. (original description)
Eriocarpum floridanum Gand. (original description)
Eriocarpum glaucum Gand. (original description)
Eriocarpum tracyi Gand. (original description)
Eriophyllum nevadense Gand. accepted as Eriophyllum lanatum var. integrifolium (Hook.) Smiley (original description)
Eucephalus frigidus Gand. accepted as Eucephalus elegans Nutt. (original description)
Eucephalus scaber Gand. accepted as Eucephalus elegans Nutt. (original description)
Eupatorium conzattii Gand. accepted as Piptothrix areolaris (DC.) R.M.King & H.Rob. (original description)
Euryops krookii Gand. accepted as Euryops tysonii E.Phillips (original description)
Euryops megalanthus Gand. accepted as Euryops speciosissimus DC. (original description)
Euthamia californica Gand. accepted as Euthamia occidentalis Nutt. (original description)
Euthamia linarifolia Gand. accepted as Euthamia occidentalis Nutt. (original description)
Flaveria pringlei Gand. (original description)
Franseria californica Gand. accepted as Ambrosia acanthicarpa Hook. (original description)
Galatella macrosciadia Gand. (original description)
Gnaphalium chinense Gand. accepted as Gamochaeta pensylvanica (Willd.) Cabrera (original description)
Gnaphalium chrysocephalum Gand. (original description)
Gnaphalium guatemalense Gand. accepted as Gamochaeta americana (Mill.) Wedd. (original description)
Gnaphalium maclovianum Gand. (original description)
Gnaphalium pannosum Gand. accepted as Gnaphalium ustulatum Nutt. (original description)
Gnaphalium pentheri Gand. accepted as Gnaphalium declinatum L.f. (original description)
Gnaphalium philippii Gand. (original description)
Grangea strigosa Gand. accepted as Grangea maderaspatana (L.) Poir. (original description)
Gynura molleri Gand. (original description)
Gynura papillosa Gand. (original description)
Gynura winkleri Gand. (original description)
Haplocarpha transvaalensis Gand. (original description)
Haplopappus gummiferus Gand. (original description)
Haplopappus hamatus Gand. (original description)
Harpaecarpus californicus Gand. accepted as Madia exigua (Sm.) A.Gray (original description)
Harpaecarpus longipes Gand. accepted as Madia exigua (Sm.) A.Gray (original description)
Harpaecarpus suksdorfii Gand. accepted as Madia exigua (Sm.) A.Gray (original description)
Helichrysum abrotaniforme Gand. (original description)
Helichrysum hirtoviscosum Gand. (original description)
Helichrysum montosicola Gand. (original description)
Helichrysum sarcodes Gand. (original description)
Helichrysum sulcaticaule Gand. (original description)
Helichrysum tasmanicum Gand. (original description)
Hieracium acanthotrichum Gand. (original description)
Hieracium albanyense Gand. (original description)
Hieracium arkansanum Gand. (original description)
Hieracium austroafricanum Gand. (original description)
Hieracium baileyanum Gand. (original description)
Hieracium bealii Gand. (original description)
Hieracium blattariforme Gand. (original description)
Hieracium candelabrum Gand. (original description)
Hieracium coloradense Gand. (original description)
Hieracium crandallii Gand. (original description)
Hieracium cremocephalum Gand. (original description)
Hieracium crepidanthum Gand. (original description)
Hieracium cusickii Gand. accepted as Hieracium scouleri Hook. (original description)
Hieracium cusikii Gand. (original description)
Hieracium decalvans Gand. (original description)
Hieracium dregei Gand. (original description)
Hieracium drusorum Gand. (original description)
Hieracium ecklonii Gand. (original description)
Hieracium floridanum Gand. (original description)
Hieracium hallianum Gand. (original description)
Hieracium helleri Gand. accepted as Hieracium albiflorum Hook. (original description)
Hieracium hexameri Gand. (original description)
Hieracium hitchcockii Gand. (original description)
Hieracium idahoense Gand. (original description)
Hieracium illinoense Gand. (original description)
Hieracium iodobasis Gand. (original description)
Hieracium kennedyi Gand. (original description)
Hieracium leptopodanthum Gand. (original description)
Hieracium macdougalii Gand. (original description)
Hieracium manitobense Gand. (original description)
Hieracium melastomoides Gand. (original description)
Hieracium michiganense Gand. (original description)
Hieracium mineapolitanum Gand. (original description)
Hieracium nelsonii Gand. (original description)
Hieracium neoboracense Gand. (original description)
Hieracium ohioense Gand. (original description)
Hieracium ontariense Gand. (original description)
Hieracium oxyacrum Gand. (original description)
Hieracium paddoense Gand. (original description)
Hieracium peasei Gand. (original description)
Hieracium pensylvanorum Gand. (original description)
Hieracium pollockii Gand. (original description)
Hieracium proteotrichum Gand. (original description)
Hieracium prototypum Gand. (original description)
Hieracium samolinum Gand. (original description)
Hieracium subtropicale Gand. (original description)
Hieracium suksdorfii Gand. (original description)
Hieracium transvaalense Gand. (original description)
Hieracium turcomanicum Gand. (original description)
Hieracium utahense Gand. (original description)