Gunnarella robertsii (Schltr.) Senghas, habit, photo P. O'Byrne, based on O'Byrne G300
Chamaeanthus robertsii (Schltr.) Schltr., drawing P. O'Byrne
Chamaeanthus robertsii (Schltr.) Schltr., drawing P. O'Byrne
Chamaeanthus laxus Schltr., from Repert. Spec. Nov. Regni Veg. Beih. 21 (1928) t. 337, fig. 1301
