Pulmonaria vallarsae A.Kern. subsp. apennina (Cristof. & Puppi) L.Cecchi & Selvi from Passo del Muraglione (San Godenzo, Firenze), 2n = 22. Scale bar: 10 μm.
Part of: Astuti G, Bedini G, Ciccarelli D, Liu L, Tiburtini M, Peruzzi L (2020) Chromosome numbers for the Italian flora: 9. Italian Botanist 9: 101-110. https://doi.org/10.3897/italianbotanist.9.54973