Spongy Arrowhead
Sagittaria spatulata (J.G. Smith) Buchenau
Spongy Arrowhead: https://marylandbiodiversity.com/species/3890
Synonyms
Lophotocarpus spongiosus  Sagittaria calycina var. spongiosa  Sagittaria montevidensis ssp. spongiosa  Sagittaria spathulata (orth. var.) Tidal Arrowhead 
Total Records
by Month
For Jan - Dec from 2009 - 2011
JanFebMarAprMayJunJulAugSepOctNovDec012Totals

Source: Maryland Biodiversity Project database

Total Records
by Year
200920102011201220132014201520162017201820192020202120222023202420250123Totals

Source: Maryland Biodiversity Project database