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Wainwright Dunes Ecological Reserve; 2.5 km NW of David Lake peninsula monument; SW5-10-42-5W4; lat./long.: (centre) 52º35.948'N / 110º 38.598'W (±0.025' GPS); longitudinal sand dune ridge base and rolling sandland slope (<7º toward 200º - SSW) subxeric to submesic sand with open grove of LOW TREE & TALL SHRUB: (very open to open) 5-20% Populus tremuloides LOW SHRUB: (open) 5-20% Prunus virginiana; 1-5% Populus tremuloides (samplings) HERB: (semiclosed) 5-20% LITTER - Juniperus horizontalis; 1-5% Agropyron trachycaulum subsp. subsecundum - Smilacina stellata - Thermopsis rhombifolia - Comandra umbellata var. pallida; <1% SOIL (sand) - Asclepias ovalifolia - Solidago missouriensis - Carex siccata - Cladonia mitis - Cerastium arvense - Equisetum arvense - Festuca saximontana - Campanula rotundifolia (site 020720d-grove)