Composite Dropseed
Sporobolus compositus (Poiret) Merrill var. compositus
Composite Dropseed: https://marylandbiodiversity.com/species/4151
Synonyms
Sporobolus asper  Sporobolus asper var. asper 
Total Records
by Month
For Jan - Dec from 1902 - 1981

Source: Maryland Biodiversity Project database

Total Records
by Year
191019201930194019501960197019801990200020102020012Totals

Source: Maryland Biodiversity Project database