Dig deeper at SERNEC, a consortium of southeastern herbaria.
Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
Manual of the Southeastern Flora (Small, 1933)
Linaria canadensis var. texana
Guide to the Vascular Plants of Florida (Wunderlin & Hansen, 2011)
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Bruce A. Sorrie bas_n_texanus1
April Scotland County NC
Flowers to twice as large as N. canadensis and much paler, per Wildflowers of the Sandhills Region.