- Costus arabicus, Costus ramosus;Costus niveus;Costus discolor
- Trachypogon spicatus, Spiked crinkleawn;Trachypogon gracilis var ciliatus;Trachypogon plumosus;Trachypogon polymorphus var plumosus;Trachypogon ramosus;Trachypogon dactyloides;Andropogon dactyloides
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