1. Natural History Museum / Discover Life: Bombus lapidarius (Red-tailed Bumblebee).2. IUCN Red List of Threatened Species: Bombus lapidarius (Red-tailed...
1. Royal Botanic Gardens, Kew (Plants of the World Online): Quercus petraea (Sessile Oak).2. IUCN Red List of Threatened Species: Quercus petraea (Sessile...