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Ron Thomas   cc-by-nc-sa-4.0

Scrophularia marilandica (Carpenter's Square) is a species of perennial herb in the family Scrophulariaceae. They have a self-supporting growth form. They are native to The Contiguous United States and Canada. They have simple, broad leaves. Flowers are visited by Lasioglossum imitatum, Aerial yellowjacket, Bald-faced Hornet, and Monobia.

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EOL has data for 16 attributes, including:

Known occurrences, collected specimens and observations of carpenter's square. View this species on GBIF