Berkheya carlinifolia subsp. promontorii Roessler (original description)
Berkheya carlinopsis subsp. magalismontana (Bolus) Roessler (original description)
Berkheya cruciata subsp. subintegra Roessler (original description)
Berkheya ferox var. glandulosa Roessler (original description)
Berkheya ferox var. pseudodidelta Roessler (original description)
Berkheya ferox var. tomentosa Roessler (original description)
Berkheya heterophylla var. radiata (DC.) Roessler (original description)
Berkheya onobromoides var. carlinoides (Thunb.) Roessler (original description)
Berkheya onopordifolia var. glabra Bohnen ex Roessler (original description)
Berkheya pinnatifida subsp. ingrata (Bolus) Roessler (original description)
Berkheya pinnatifida subsp. stobaeoides (Harv.) Roessler (original description)
Berkheya rhapontica subsp. aristosa (DC.) Roessler (original description)
Berkheya rhapontica subsp. platyptera (Harv.) Roessler (original description)
Berkheya rhapontica var. exalata Roessler (original description)
Berkheya speciosa subsp. lanceolata Roessler (original description)
Berkheya speciosa subsp. ovata Roessler (original description)
Berkheya spinosissima subsp. namaensis Roessler (original description)
Berkheya spinosissima var. argentifolia Roessler (original description)
Berkheya subulata var. wilmsiana Roessler (original description)
Berkheya zeyheri subsp. rehmannii (Thell.) Roessler (original description)
Berkheya zeyheri var. rogersiana (Thell.) Roessler (original description)
Gorteria personata subsp. gracilis Roessler (original description)