Showing 76 - 100 of 155 results for dateable
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 (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 (Cerastium arvense)
angular-ovate to kidney shaped, 0.75-1 mm long; covered in many small tubercles (warty bumps) beginning at hilum (base) a...

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 (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 (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 (Stellaria longifolia)
oval-orbicular, ~1 mm long; rough, bumpy texture, but generally much less so than other members of family

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

Plant Macrofossil (Stellaria media)
orbicular, ~1 mm long; pinched hilum (seed base); covered in angular-rounded tubercles (warty bumps); fewer tubercles rel...

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 ...

Plant Macrofossil (Andromeda glaucophlla)
rounded, 5 sectioned capsule, ~5 mm wide; indented top; style persistent at top of capsule

Plant Macrofossil (Silene stellata)
compressed kidney shaped, 0.5- 1 mm; rounded, irregular shaped tubercles (warty bumps) concentric from hilum (seed base)

Plant Macrofossil (Stellaria aquatica)
oval-orbicular, ~1 mm long; surface is hoarfrost patterned; margins covered in large, rounded tubercles (warty bumps)

Plant Macrofossil (Chamaedaphne calyculata)
rounded, 5 sectioned capsule, up to 6 mm wide; indented top; style persistent from top of capsule

Plant Macrofossil (Viola papilionacea)
obovate-elliptic, 1.8-2.2 mm long; prominent elongated white ridge on one side of seed attachement scar (raphe); mottled ...

Plant Macrofossil (Helianthus grosseratus)
compressed-oblong, 3-4 mm long; dark lengthwise streaks/stripes/mottles; smooth

Plant Macrofossil (Impatiens capensis)
elliptic, four angled, narrowing at base, ~4 x 2.5 x 2 mm; length wise ridges; surface usually warty or wrinkly

Plant Macrofossil (Vaccinium oxycoccos)
abaxial (bottom) side shown; ovate to narrowly triangular, 2-10 mm long, 1-3 mm wide; bottom of leaf much paler than top;...

Plant Macrofossil (Euphorbia corollata)
obovate, 2-4 mm long; distinct longitudinal line present; mottled brown and white

Plant Macrofossil (Rorippa palustris)
roundish-ovate (unlike others in family), less than 0.5 mm; reticulate dimpled

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P: 612-626-7889

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