Linder & Verboom, Generic limits in the Rytidosperma complex 
613 
Soc. New Zealand 73: 234 (1943). Notodanthonia nigricans (Petrie) Zotov, New Zealand 
J. Bot. 1; 123 (1963). Rytidosperma nigricans (Petrie) Connor & Edgar, New Zealand J. 
Bot. 17: 331 (1979). 
Type: New Zealand: Mt Hector, Petrie s.n. (WELT 40273A, holo). 
Thonandia longifolia (R. Br.) Linder, comb. nov. 
Basionym: Danthonia longifolia R. Br., Prod. 176 (1810); Avena longifolia (R. Br.) Spreng., 
Syst. 1: 336 (1825); Rytidosperma longifolium (R. Br.) Connor & Edgar, New Zealand J. 
Bot. 17: 332 (1979); Notodanthonia longifolia (R. Br.) Veldk., Taxon 29: 296 (1980). 
Type: New South Wales: Port Jackson, Broion 6231 (BM, holo, K!; fragm. PERTH!) 
Thonandia semiannularis (Labill.) Linder, comb. nov. 
Arundo semiannularis Labill., PI. Nov. Holl. 1: 26 t.33 (1804); Danthonia semiannularis 
(Labill.) R. Br., Prod. 177 (1810); Rytidosperma semiannulare (Labill.) Connor & Edgar, 
New Zealand J. Bot. 17: 332 (1979); Notodanthonia semiannularis (Labill.) Zotov, New 
Zealand J. Bot. 1: 116 (1963). 
Type: see notes in Vickery: photos at K of spec. no. 114 from Herb. Webb, but these 
cannot really be identified with confidence. 
Thonandia unarede (Raoul) Linder, comb. nov. 
Danthonia unarede Raoul, Ann. Sci. Nat. Ser. 3,2: 116 (1844); Danthonia semiannularis 
(Labill.) R. Br. van unarede (Raoul) Hook, f., El. New Zealand 1: 304 (1853); 
Notodanthonia unarede (Raoul) Zotov, New Zealand J. Bot. 1: 122 (1963). Type: New 
Zealand: Banks Peninsula, Raoul 1843 (P, holo, K). 
Danthonia cingula Steud., Syn. PI. Glum. 1: 246 (1854). 
Type: New Zealand: Kampmann 99 (P, holo) 
Rytidosperma Steud., Syn. 1: 425 (1854). Type species: R. lechleri Steud. Monostachya 
Merr. in Merrill & Merritt, Phil. J. Sci., Bot. 5: 330 
Type species: M. centrolepidoides Merr. (= M. oreoboloides (E. Muell.) Hitchc.). 
Includes 35 species and several subspecies, ranging from South America through 
Australasia to Malesia. 
Rytidosperma australe (Petrie) Linder, comb. nov. 
Basionym: Triodia australis Petrie, Trans. Proc. New Zealand Inst. 22:442 (1890). Danthonia 
australis (Petrie) Zotov, Trans. Proc. Royal Soc. New Zealand 73:234 (1943) non Danthonia 
australis Buchan. Erythranthera australis (Petrie) Zotov, New Zealand J. Bot. 1:125 (1963). 
Type: New Zealand: Mt Ida Range, Petrie s.n. (WELT holo). 
Rytidosperma buchananii (Hook, f.) Connor & Edgar 
Rytidosperma corinum Connor & Edgar 
Rytidosperma craigii (Veldk.) Linder, comb. nov. 
Basionym: Danthonia craigii Veldk. in Van Royen, The Alpine Elora of New Guinea 2: 
1172 (1979). Notodanthonia craigii (Veldk.) Veldk., Taxon 29: 298 (1980). Monostachya 
craigii (Veldk.) Jacobs, Taxon 31: 739 (1982). 
Type: Veldkamp 6472 (L, holo; A, K, LAE, NSW! iso). 
Rytidosperma dendeniwae (Veldk.) Linder, comb. nov. 
Basionym: Danthonia dendeniwae Veldk., Blumea 38: 218 (1993). 
Type: Papua New Guinea: Northern Province: Mt Suckling, Veldkamp & Stevens 
5768 (L, holo). 
