Showing 126 - 150 of 155 results for dateable
Plant Macrofossil (Ostrya virginiana)
obovate 1-3 cm, enclosing seed, slightly inflated; bristly at base

Plant Macrofossil (Ostrya virginiana)
compressed lanceolate-ellipsoid, ~4 x 2.2 x 1 mm; thin, brownish, papery coat lining inside of wall; smooth, unribbed sur...

Plant Macrofossil (Fagus grandifolia)
sharply triangular, 4 sided, 4-10 mm long

Plant Macrofossil (Tilia americana)
globose, 6-10 mm in diameter; pubescent, hard

Plant Macrofossil (Ranunculus hispidus)
flat-lenticular in cross-section, obovate in outline, 2-3.5 mm; prominently beaked and sometimes with marginal wing

Plant Macrofossil (Echinochloa muricata)
ovate, 2.5-3.5 mm long; acutely tipped; spikelet 3-4 mm long; awn 3-10 mm long, sometimes up to 25 mm long

Plant Macrofossil (Echinochloa crus-galli)
elliptic-ovate, 2.5-3.5 mm long; awn may or may not be present; awn 2-4 cm long

Plant Macrofossil (Echinochloa crus-galli)
elliptic-ovate, 2.5-3.5 mm long; awn may or may not be present; awn 2-4 cm long

Plant Macrofossil (Doellingeria umbellata)
oblong-cylindric, 2-3 mm long with tapering base; pappus (white hairs) may or may not be present in fossils; lengthwise r...

Plant Macrofossil (Eupatorium maculatum)
oblong, tapering to base, 2-4 mm long, 5 angled; speckled with small red dots; coarse, white pappus may or may not be pre...

Plant Macrofossil (Stellaria graminea)
oval-orbicular, ~1 mm long; covered in dendritic (branched projections) tubrercles (warty bumps)

Plant Macrofossil (Chamaedaphne calyculata)
abaxial (bottom) side shown; oval, 1-5 cm long and 3-15 mm wide; tips may be rounded or pointed; leathery; short petioles...

Plant Macrofossil (Chamaedaphne calyculata)
adaxial (top) side shown; oval, 1-5 cm long and 3-15 mm wide; tips may be rounded or pointed; leathery; short petioles; m...

Plant Macrofossil (Kalmia angustifolia)
abaxial (bottom) side shown; elliptic-oblong, 2-5 cm long, 0.5-2 cm wide; bottom of leaf paler than top; tips may be roun...

Plant Macrofossil (Kalmia angustifolia)
adaxial (top) side shown; elliptic-oblong, 2-5 cm long, 0.5-2 cm wide; bottom of leaf paler than top; tips may be rounded...

Plant Macrofossil (Kalmia angustifolia)
rounded, 5 sectioned capsule, 2.5-4.5 mm in diameter

Plant Macrofossil (Kalmia angustifolia)
rounded, 5 sectioned capsule, 2.5-4.5 mm in diameter

Plant Macrofossil (Rumex occidentalis)
triangular, sides slightly convex, 1-2 mm; smooth, shiny; embryo attached to one side (rather than to a corner as in Poly...

Plant Macrofossil (Anemone canadensis)
flat, obovate, 3-5 mm; long beak 2-4 mm long; winged; wooly hairs

Plant Macrofossil (Boehmeria cylindrica)
obovate-compressed, 0.5-0.7 mm long; pointed style base (tip); body surrounded by wing-like ring of spongy tissue, except...

Plant Macrofossil (Chenopodium album)
circular-lenticular, 1-2 mm wide; more spherical relative to other Chenopodium spp.; rounded margins; note notch in margi...

Plant Macrofossil (Chenopodium pratericola)
circular-lenticular, 1-2 mm wide; shiny, textured, plump disk; rounded margins; note notch in margin - this is the attac...

Plant Macrofossil (Salix amygdaloides)
adaxial side of leaf (top of leaf) pictured; thin, lanceolate to lance-ovate, 5-10 x 1-3.5 cm; 3-6 times as long as wide,...

Plant Macrofossil (Gleditsia triacanthos)
adaxial side (top of leaf) pictured; oblong-lanceolate, 2-4 cm long (mature trees) or 1-2 cm long (young trees); weakly r...

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