mossy-cup oak burr oak mossycup oak white oak Quercus macrocarpa

Sparganiaceae genus Sparganium monocot family Pandanales Sparganium family Sparganiaceae liliopsid family order Pandanales

cockle-burr cocklebur Xanthium weed cockleburr genus Xanthium

oakleaf goosefoot Chenopodium glaucum goosefoot

casuarina genus Casuarina

holm oak wood fumed oak oak tree

Quercus nigra Spanish oak Quercus incana scarlet oak bluejack oak Quercus Japanese oak overcup oak turkey oak black oak Chinese cork oak Quercus suber scrub oak holm tree Quercus kelloggii quercitron Quercus ellipsoidalis Quercus coccinea possum oak quercitron oak jack oak American turkey oak Quercus mongolica Quercus phellos Quercus ilex Quercus laurifolia box white oak chestnut oak white oak oak tree pin oak willow oak holm oak yellow oak Quercus velutina live oak Quercus cerris Nuttall's oak northern pin oak post oak brash oak water oak Quercus nuttalli tree European turkey oak evergreen oak Quercus palustris acorn shingle oak iron oak Quercus imbricaria Quercus texana Quercus laevis California black oak cork oak holly-leaved oak swamp oak genus Quercus red oak Quercus grosseserrata Nuttall oak Quercus variabilis laurel oak Quercus lyrata Quercus stellata

Spanish needles burr beggar-ticks seed vessel pericarp

burr bit dentist's drill burr drill

burr take away remove take withdraw