Table 1.

Voucher information and provenance of species sampled in this study. An additional reference sequence originally assembled by Wysocki et al. (2015) was also included: KJ870994, based on Dransfield 1349 collected from Ambatofitorahana in Madagascar.

Species	Country of origin	Silica gel or herbarium specimens used (S/H)	Voucher	Accession number
Hickelia madagascariensis (reference)	Madagascar	H	S. Dransfield 1349	KJ870994
Cathariostachys capitata	Madagascar	H	S. Dransfield 1064	GWHBHNA01000000
C. madagascariensis	Madagascar	S	R. A. Rakotonasolo 015	GWHBHMZ01000000
Decaryochloa diadelpha	Madagascar	S	R. A. Rakotonasolo 016	GWHBHMY01000000
Hickelia africana	Tanzania	H	S. Bidgood 221	GWHBHMX01000000
H. madagascariensis	Madagascar	H	S. Dransfield 1290	GWHBHMW01000000
H. perrieri	Madagascar	H	R. A. Rakotonasolo 071	GWHBHMV01000000
Hitchcockella baronii	Madagascar	H	D. Ravelonarivo & T. Augustin 3430	GWHBHMU01000000
Nastus aristatus	Madagascar	S	R. A. Rakotonasolo 022	GWHBHMT01000000
N. borbonicus	Reunion Island	S	T. Hubert s.n.	GWHBHMS01000000
N. elongatus	Madagascar	S	R. A. Rakotonasolo 024	GWHBHMR01000000
N. emirnensis	Madagascar	H	S. Dransfield 1119	GWHBHMQ01000000
N. humbertianus	Madagascar	H	H. Humbert 13668	GWHBHMP01000000
N. perrieri	Madagascar	S	R. A. Rakotonasolo 032	GWHBHMO01000000
N. tsaratananensis	Madagascar	S	H. Perrier 16170	GWHBHMN01000000
Perrierbambus madagascariensis	Madagascar	H	L. Nusbaumer 1954	GWHBHMM01000000
Sirochloa parvifolia	Madagascar	S	M. S. Vorontsova 1769	GWHBHML01000000
Sokinochloa australis	Madagascar	H	S. Dransfield 1506	GWHBHMK01000000
S. brachyclada	Madagascar	S	R. A. Rakotonasolo 028	GWHBHMJ01000000
S. chapelieri	Madagascar	H	D. K. Edelman 152	GWHBHMI01000000
S. chiataniae	Madagascar	H	Chia Tan 099	GWHBHMH01000000
S. viguieri	Madagascar	H	J. Dransfield 7749	GWHBHMG01000000
Valiha diffusa	Madagascar	H	R. A. Rakotonasolo 014	GWHBHMF01000000