Showing 26 - 50 of 68 results for date with caution
Plant Macrofossil (Carex lacustris)
ovate, flattened to nearly round in cross section, 5-7 mm long; > 10 visible nerves; tapering to beak ~1 mm long

Plant Macrofossil (Cicuta maculata)
obovate, flat on one side, 2-4 mm long; conspicuously ribbed

Plant Macrofossil (Scirpus fluviatus)
rounded trigonous, 3-5 mm long; beak up to 0.5 mm long; bristled

Plant Macrofossil (Scirpus cyperinus)
flattened trigonous, 0.5-1 mm long; short beak; very long bristles easily attach/tangle

Plant Macrofossil (Zizania palustris)
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed oblong, 1-2 cm long

Plant Macrofossil (Typha angustifolia)
oblong-elliptic, elongate, 0.8-1 mm long; whorled white pappus may be present; small, conical nipple on truncate end

Plant Macrofossil (Carex comosa)
lanceolate, 5-8 mm long; strongly nerved; tapering to beak, which is ~2-3 mm long; beake with reflexed teeth ~1-2 mm lon...

Plant Macrofossil (Scirpus cyperinus)
flattened trigonous, 0.5-1 mm long; short beak; very long bristles easily attach/tangle

Plant Macrofossil (Juncus effusus)
oval, ~0.5 mm long; dark terminal appendages tapering at ends; cellular reticulations clearly visible in cell wall

Plant Macrofossil (Polygonum amphibium)
lens shaped achene, 2-4 mm long; smooth, shiny, dark brown

Plant Macrofossil (Pontederia cordata)
triangular, 5-10 mm long; three chambered, only one chamber develops seed;ridged; horned at base

Plant Macrofossil (Sparganium angustifolium)
spindle shaped, 5-7 mm long; abruptly contracted to a beak 1-3 mm long

Plant Macrofossil (Sparganium eurycarpum)
obovate, 6-8 mm long, 4-7 mm wide; flattened top; beak 2-4 mm long

Plant Macrofossil (Zizania aquatica)
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed cylyndric, 1-2 cm long

Plant Macrofossil (Zizania palustris)
floret awl-shaped, 1-2 cm long, tapering to an awn 3-6 cm long; seed cylyndric, 1-2 cm long

Plant Macrofossil (Typha angustifolia)
oblong-elliptic, elongate, 0.8-1 mm long; whorled white pappus may be present; small, conical nipple on truncate end

Plant Macrofossil (Brasenia schreberi)
oblong capsule, 3-5 mm long; may contain 1 or 2 seeds; capsules containing only 1 seed are tapered as seen in top left sp...

Plant Macrofossil (Brasenia schreberi)
globose-elliptic, 2-2.5 mm; seed wall radially striated, woody

Plant Macrofossil (Rhynchospora alba)
lens shaped, 1-2 mm long; tubercle cap triangular; smooth surface; bristles

Plant Macrofossil (Iris virginica)
flat, round discs to wedge shaped, 4-6 mm

Plant Macrofossil (Hippuris vulgaris)
oblong-cylindric to elliptic, ~2 mm long, 1 mm wide; thick, soft-woody wall

Plant Macrofossil (Glyceria striata)
ovate, 0.5-1.5 mm; prominent indent at base of seed characterstic of Glyceria; 2 persistent, recurved stigmas; reddish-b...

Plant Macrofossil (Calamagrostis canadensis)
2-4 mm long; smooth; shortly awned; finely hairy

Plant Macrofossil (Calamagrostis canadensis)
linear oblong, 1.5-2 mm long; dry, glabrous; pappus may or may not be present

Plant Macrofossil (Polygonum lapathifolium)
lens shaped, 2-3 mm long; smooth, shiny

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CSD Facility

116 Church Street NE, Minneapolis, MN 55455

P: 612-626-7889

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