Bob Skiles wrote -
... the term "carrizo" in the quotation below (and as used by the =
Spanish=20
chroniclers in western Texas) referred to the phragmites australis reed
=
...=20
I'll try to check it out, but my recollection is that phragmites australis 
is an exotic intrusive in the western hemisphere. Of course, the term 'cane' 
can by applied to a wide varity of species in the family Graminae, so the 
geographic terms from SoCal are not necessarily inconsistent.
Tim T
not a botanist, and don't play one on TV