Western black willow

USA

Acacia baileyana pollen Alnus incana subsp. rugosa pollen Alnus rhombifolia pollen Fraxinus velutina pollen Fraxinus latifolia pollen Fraxinus americana pollen Populus tremuloides pollen Fagus grandifolia pollen Casuarina equisetifolia pollen Betula nigra pollen Betula lenta pollen Betula populifolia pollen Acer negundo pollen Juniperus ashei pollen Juniperus virginiana pollen Tamarix gallica pollen Populus deltoides pollen Populus deltoides subsp. monilifera pollen Cupressus arizonica pollen Taxodium distichum pollen Ulmus americana pollen Ulmus crassifolia pollen Ulmus pumila pollen Eucalyptus globulus pollen Corylus americana pollen Carya ovata pollen Carya alba pollen Juniperus monosperma pollen Juniperus pinchotii pollen Juniperus osteosperma pollen Juniperus occidentalis pollen Acer macrophyllum pollen Acer rubrum pollen Acer saccharinum pollen Acer saccharum pollen Melaleuca quinquenervia pollen Prosopis juliflora pollen Morus alba pollen Morus rubra pollen Broussonetia papyrifera pollen Quercus velutina pollen Quercus macrocarpa pollen Quercus agrifolia pollen Quercus gambelii pollen Quercus rubra pollen Quercus virginiana pollen Quercus alba pollen Olea europaea pollen Citrus sinensis pollen Syagrus romanzoffiana pollen Carya illinoinensis pollen Schinus molle pollen Pinus taeda pollen Pinus ponderosa pollen Pinus elliottii pollen Pinus strobus pollen Pinus echinata pollen Populus nigra pollen Populus alba pollen Ligustrum vulgare pollen Elaeagnus angustifolia pollen Liquidambar styraciflua pollen Platanus occidentalis pollen Platanus racemosa pollen Juglans nigra pollen Juglans californica pollen Juglans regia pollen Salix nigra pollen Salix discolor pollen Populus balsamifera subsp. trichocarpa pollen Fraxinus pennsylvanica pollen Celtis occidentalis pollen Carya glabra pollen Betula papyrifera pollen Quercus stellata pollen Pinus sylvestris pollen Pinus nigra pollen Picea pungens pollen Ailanthus altissima pollen Baccharis halimifolia pollen Carpinus caroliniana pollen Betula occidentalis pollen Betula alleghaniensis pollen Salix lucida ssp. lasiandra pollen Pinus contorta pollen Carya cordiformis pollen Quercus muehlenbergii pollen Quercus palustris pollen Larix occidentalis pollen Pinus resinosa pollen Pinus thunbergii pollen Platanus hybrida pollen Pinus rigida pollen Quercus garryana pollen Juniperus virginiana