Prasophyllum constrictum was first formally described in 1909 by Richard Sanders Rogers from a specimen collected near Tailem Bend .
The description was published in Transactions , proceedings and report , Royal Society of South Australia .
Prasophyllum constrictum was first formally described in 1909 by Richard Sanders Rogers from a specimen collected near Tailem Bend and the description was published in Transactions , proceedings and report , Royal Society of South Australia .