Artemisia murcica Sennen (original description)
Calendula montserratensis Sennen (original description)
Carduus nuriensis Sennen accepted as Carduus ×gillottii (original description)
Carlina balearica Sennen accepted as Carlina corymbosa var. graeciformis Meusel & Kästner (original description)
Centaurea iberica Sennen & Elias (original description)
Centaurea reyesii Sennen & Elias (original description)
Centaurea sanctae-gadeae Sennen & Elias (original description)
Centaurea turolensis Sennen (original description)
Cirsium colmeiroanum Sennen (original description)
Cirsium gonzaloi Sennen (original description)
Cirsium salvadori Sennen accepted as Cirsium medium All. (original description)
Cirsium valdespinulosum Sennen (original description)
Conyza pycnantha Sennen (original description)
Erigeron gonzaloi Sennen (original description)
Eupatorium allaisii Sennen accepted as Eupatorium cannabinum L. (original description)
Evax emporitana Sennen (original description)
Evax matritensis Sennen (original description)
Filago pseudoevax Sennen (original description)
Hieracium cazurroi Sennen (original description)
Lactuca balmesi Sennen (original description)
Lactuca mulsanti Sennen & Elias (original description)
Launaea jaumei Sennen (original description)
Leontodon molineri Sennen & Elias (original description)
Leucanthemum victoriae Sennen & Elias (original description)
Mariana eburnea Pau (original description)
Phagnalon baui Sennen (original description)
Phagnalon candollei Sennen (original description)
Phagnalon dertosense Sennen (original description)
Phagnalon linnaeanum Sennen (original description)
Phagnalon montserratense Sennen (original description)
Phagnalon paschale Sennen (original description)
Phagnalon saxatiliforme Sennen (original description)
Phagnalon tarraconense Sennen (original description)
Santolina eliasii Sennen (original description)
Santolina paui Sennen & Elias (original description)
Santolina teretifolia Sennen & Elias (original description)
Scorzonera affinis Sennen & Elias (original description)
Scorzonera latibracteata Sennen & Elias accepted as Scorzonera hispanica L. (original description)
Solidago caeciliae Sennen (original description)
Solidago paniculata Sennen (original description)
Solidago virginis-mariae Sennen (original description)