Lab 10 - Cryptograms and Trees Flashcards
What is a cryptogram?
A plant that reproduces by spores without seeds or flowers.
It’s name means, “hidden reproduction.”
What are the three types of cryptograms?
Bryophytes (Mosses)
Liverworts (Hepaticae)
Lichens
What kind of moss is this?
It’s bigger at the tips and radially symmetrical.
Sphagnum Moss
What type of moss is this?
Unbranched and errect; forming a mounded colony. (Think carpet-like)
Acrocarpous Moss
What kind of moss is this?
Freely, randomly branching creeping pleurocarps (male)
Low profile
Pleurocarpous Moss
Plants consisting of a stem and leaves arranged in 2 or 3 ranks - 2 lateral and 1 ventral
Leafy liverworts
Plants consisting of a flat, dorsi-ventral thallus, without differentiated leaves and stem.
Thalloid liverworts
A lichen that is short; usually crusted on rocks.
Least susceptible to air pollution.
Crustose Lichen
Leafy-like lichen
Foliose Lichen
Branched, antler-like lichen.
Most susceptible to air pollution.
Fruticose Lichen
Northern White Cedar
Family: Cupressaceae
Genus: Thuja
Tamarack or Larch
Family: Pinaceae
Genus: Larix
Hemlock
Family: Pinaceae
Genus: Tsuga
Fir
- long, flat needles
- softer
Family: Pinaceae
Genus: Abies
Pine
- 5 needles from one fasicle (origin)
Family: Pinaceae
Genus: Pinus
Spruce
- Square needles (not perfect)
- Pokey
Family: Pinaceae
Genus: Picea
Swamp Oak
- Rounded leaves
- Least deeply lobed oak in MI
Family: Fagaceae
Genus, species: Quercus bicolor
Pin Oak
- Deeply lobed leaves with pointed tips
Family: Fagaceae
Genus, species: Quercus palustris
Ash
- Opposite leaves, oddly pinnate
Family: Oleaceae
Genus: Fraxinus
Sycamore
Family: Platan-aceae
Genus, species: Platanus occidentalis
Cottonwood
Family: Salic-aceae
Genus, species: Populus deltoids
Elm
- Doubly serrate
- Oblique leaf base
Family: Ulmaceae
Genus: Ulmus
