Showing 26 - 50 of 155 results for dateable
Plant Macrofossil (Carex backii)
rounded trigonous, 2-2.5 mm long; weak reticulate texture; style base (top of seed) rounded with indent

Plant Macrofossil (Carex jamesii)
rounded trigonous, 1.8-2.3 mm long; weak reticulate texture; conspicuos style base (top of seed) rounded with indent

Plant Macrofossil (Carex backii)
rounded trigonous, obovate, inconspicuously veined, 4-5.4 mm; beak 2 mm long, inconspicuously serrate

Plant Macrofossil (Rudbeckia triloba)
oblong, tapering slightly to base; 2-2.5 mm long; 4 sided

Plant Macrofossil (Quercus macrocarpa)
nut depressed to narrowly ovate, 2-5 cm long, 2-4 cm wide; cup covering 1/3 to 3/4 of nut; marginal cup scales awned, fo...

Plant Macrofossil (Quercus macrocarpa)
nut depressed to narrowly ovoid, 2-5 cm long, 2-4 cm wide; cup covering 1/3 to 3/4 of nut; marginal cup scales awned, fo...

Plant Macrofossil (Eupatorium rugosum)
oblong, tapering to base, 2-2.5 mm long, 5 sided; glabrous (no hairs/spots); white base; coarse, white pappus may or may...

Plant Macrofossil (Quercus velutina)
nut ovoid, 6-13 mm long; cup bowl shaped, covering 1/2 of nut; large, pubescent scales; marginal scales projecting, formi...

Plant Macrofossil (Quercus velutina)
nut ovoid, 6-13 mm long; cup bowl shaped, covering 1/2 of nut; large, pubescent scales; marginal scales projecting, formi...

Plant Macrofossil (Morus rubra)
oval-lenticular to ovate, 1.5-3 mm long; a light colored, slender attachment stalk appressed to thinnest edge of seed; in...

Plant Macrofossil (Eupatorium altissimum)
oblong, tapering to base, 2.5-3.5 mm long, 5 sided; speckled with small white dots, base may be white as well; coarse, wh...

Plant Macrofossil (Claytonia virginica)
oval-lenticular, 1-2 mm; black, very shiny; note marginal cleft plugged with white material

Plant Macrofossil (Fraxinus americana)
fruit linear to oblanceolate, 3-5 cm; wing extending 1/3 the length of the body

Plant Macrofossil (Carpinus caroliniana)
2-3 cm halbard shaped with basal lobes; coarsely toothed, especially so along one side of center lobe

Plant Macrofossil (Fraxinus pennsylvanica)
fruit linear to spatulate, 2.5-7.5 cm long; wing extending ~1/2 the length of body

Plant Macrofossil (Platanus occidentalis)
lanceolate, ~8-9 x 1-1.5 x 1 mm; tuft of stiff hairs pointed upward from base (oriented as top in image); style base pers...

Plant Macrofossil (Ostrya virginiana)
obovate 1-3 cm, enclosing seed, slightly inflated; bristly at base

Plant Macrofossil (Ranunculus abortivus)
lenticular in cross-section, elliptic in outline, ~1.5 mm long; beak present, but very short

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 (Sambucus canadensis)
elliptic-ovate in outline compressed triangular in cross section, 2-3 mm long; very slightly arched inward; crosswise wri...

Plant Macrofossil (Silene nivea)
rounded, kidney shaped, 0.5-1.5 mm long; dark tipped, cone shaped tubercles (warty bumps) in concentric rows, increasing ...

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