Erica arborea subsp. riojana (Sennen & Elías) Romo in Collect. Bot. (Barcelona) 12: 155. 1981
Erica arborea subsp. riojana in Collect. Bot. (Barcelona) 12: 155. 1981
is new combination for Erica riojana in Bol. Soc. Ibér. Ci. Nat. 28: 177. 1930
Erica arborea subsp. riojana in Collect. Bot. (Barcelona) 12: 155. 1981