Spontaneous Hybridization between Pinus mugo and Pinus sylvestris at the Lithuanian Seaside: A Morphological Survey

by Darius Danusevičius, Vitas Marozas, Gediminas Brazaitis, Raimundas Petrokas, Knud Ib Christensen
Published 2012-01-01

Crataegus ×ninae-celottiae and C. ×cogswellii (Rosaceae, Maleae), two spontaneously formed intersectional nothospecies

by Knud Ib Christensen, Mehdi Zarrei, Maria Kuzmina, Nadia Talent, Charlotte Lin, Timothy Dickinson
Published 2014-04-01