1	"Plants flowering late July to September; panicles (9.5)13-40 cm long; anthers 3.5-7 mm long"	"Ammophila breviligulata subsp. breviligulata"
1	"Plants flowering late June to early July; panicles 9-17 cm long; anthers 3-4.5 mm long"	"Ammophila breviligulata subsp. champlainensis"