Echium vulgare pustulatum, Taxa Only, Exact Match: 2 Treatments

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Echium vulgare subsp. pustulatum     Al, Gianniantonio Domina Et, 2025, Refining the inventory of the vascular flora of Italy: Unconfirmed, doubtful, excluded or extinct taxa, Phytotaxa 723 (1), pp. 1-137 : 48-49 48-49
Echium vulgare subsp. pustulatum     S. Talavera, C. Andres, M. Arista, M. P. Fernandez Piedra, M. J. Gallego, P. L. Ortiz, C. Romero Zarco, F. J. Salgueiro, S. Silvestre, A. Quintanar & S. Castroviejo, 2012, Flora Iberica / Vol. XI: Gentianaceae - Boraginaceae, Madrid: Real Jardín Botanico, CSIC : 419 419