Showing 51 - 75 of 155 results for dateable
Plant Macrofossil (Carex jamesii)
subglobose, 3-4.5 mm long, 1.5-2 times as long as wide; short, slender beak

Plant Macrofossil (Taenidia integerrima)
crescent-wedge shaped , 4-5 mm long, 3-4 mm wide; slightly compressed laterally, shallow ribbed

Plant Macrofossil (Campanula americana)
compressed, oval to elliptic, 0.5-1 mm long; glossy; conspicuous seed coat lighter in color than body

Plant Macrofossil (Agastache foeniculum)
oblong rounded-triangular, 1-1.5 mm long; surface ridged, with bristles clustered at top and along margins

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 palustris)
nut 10-16 mm long, 9-15 mm wide; cup shallow, saucer shaped, covering 1/5 to 1/4 of nut

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 (Polygonum scandens)
triangular in cross section, ~ 4 mm long, ~3.5 mm wide at widest point; smooth and shiny; perianth (outer covering) most ...

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

Plant Macrofossil (Thalictrum dioicum)
elliptic, 2.5-4 mm long; very strongly ribbed; nearly symmetrical

Plant Macrofossil (Galium triflorum)
sub-globose-reniform(bean shaped), 1.5-2 mm; covered with hooked bristles except at attachment scar (see seed in bottom l...

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

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

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

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

Plant Macrofossil (Triodanis perfoliata)
compressed elliptic, biconvex, less than 0.5 mm long; glossy

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 (Nyssa sylvatica)
compressed ovoid to ellipsoid, ~7 x 5 x 3 mm; several grooves/stripes on each face

Plant Macrofossil (Cerastium nutans)
angular-ovate, flat; ~0.5 mm long; surface with distinct tubercles (wart like projections); must compare to other tubercl...

Plant Macrofossil (Linum striatum)
wedge shaped, like narrow sector of sphere, 1-2 mm long; one side nearly straight

Plant Macrofossil (Quercus palustris)
nut 10-16 mm long, 9-15 mm wide; cup shallow, saucer shaped, covering 1/5 to 1/4 of nut

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116 Church Street NE, Minneapolis, MN 55455

P: 612-626-7889

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