Showing 26 - 50 of 155 results for dateable
Plant Macrofossil (Iodanthus pinnatifidus)
oval to spatulate, 1-1.2 cm long; visible attachement point; surface pitted-reticulate;

Plant Macrofossil (Salvia lyrata)
elliptic compressed-triangular, 2-2.5 mm long; surface marbled with streaks and/or netted lines

Plant Macrofossil (Fraxinus nigra)
fruit flat, lanceolate to oblanceolate, ~2.5-4 cm x 6-10 mm; very small notch at tip of wing

Plant Macrofossil (Abies balsamea)
Abaxial (bottom) surface pictured on top, adaxial (top) surface below. Base of needle on righthand side of photograph. No...

Plant Macrofossil (Picea mariana)
Note blunt tip, base of needle on right hand side of photograph. Four-angled in cross section, 6-18 mm long.

Plant Macrofossil (Betula pumila)
3 lobed, rounded, sometimes dotted with resin.

Plant Macrofossil (Betula pumila)
abaxial (bottom) surface; rounded to obovate, 2-4 cm long, 1-3 cm wide, coarsely toothed margins, teeth may be blunt or s...

Plant Macrofossil (Alnus serrulata)
weakly 5 lobed, with center lobe being most prominent; may be dotted with resin

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

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, ...

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

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116 Church Street NE, Minneapolis, MN 55455

P: 612-626-7889

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