du Preez,
B.
;
Schrire,
B. D.
;
Dreyer,
L. L.
;
Stirton,
C. H.
;
Chimphango,
S. B. M.
…
New species, GCFR, Taxonomy, Conservation, Indigofera spinescens, South Africa, Indigofera basotha, Cape Flora, Greater Cape Floristic Region (South Africa), Section Oligophyllae, Endemic species, and Indigofera