Showing 26 - 50 of 155 results for dateable
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 (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 (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 (Carpinus caroliniana)
2-3 cm halbard shaped with basal lobes; coarsely toothed, especially so along one side of center lobe

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 (Larix laricina)
Base of needle on righthand side, except middle needle oriented with base on lefthand side. Note blunt tip, linear shape,...

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 (Betula papyrifera)
winged, 1.5-3 mm long, nutlet 0.5-1 mm wide, wings slightly wider than nutlet; wings may be damaged/missing in subfossil ...

Plant Macrofossil (Alnus serrulata)
obovoid, flattened; narrowly winged on margins, 2-3 mm long

Plant Macrofossil (Eupatorium purpureum)
oblong, tapering to base, 3.5-4.5 mm long, indistinctly 5 sided; speckled with small brown-red dots; white base; coarse, ...

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