In March, multiple cherry and willow relatives bloom simultaneously, making species identification within these groups nearly impossible.
Microscopic Images at x800 Magnification
Cherry or plum or apricot (Prunus sp.), 3/10/20
Willow (Salix species), 3/12/21
Common camellia (Camellia japonica), 3/30/19
Red or Freeman maple (Acer rubrum or freemanii), 3/23/19
Osoberry (Oemleria cerasiformis), 3/10/19
Bigleaf maple (Acer macrophyllum), 3/31/19
Crocus (Crocus species or hybrid), 3/4/21
Skimmia (Skimmia japonica), 3/27/19
Pieris (Pieris japonica or hybrid), 3/15/19
Persian ironwood (Parrotia persica), 3/10/21
Oregon grape (Berberis aquifolium), 3/27/22
Silver maple (Acer saccharinum), 3/11/22
Winter heath (Erica carnea or hybrid), 3/17/19
Forsythia (Forsythia hybrid), 3/18/22
Probably flowering pear (Pyrus calleryana), 3/19/20
Dandelion (Taraxacum officinale), 3/25/18
Laurustinus (Viburnum tinus), 4/12/21
Grape hyacinth (Muscari armeniacum), 3/25/22
Beaked hazelnut (Corylus cornuta), 3/15/23
Western redcedar (Thuja plicata), 3/4/21
Sweet box (Sarcococca), 3/4/21
Hyacinth (Hyacinthus orientalis), 3/29/19
Cornellian cherry (Cornus mas), 3/1/22
Scale