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Lab 3: Waterloo Recreation Area
** required twig

Announcements: Like last week, poison ivy is a problem this week.
In addition, poison sumac is also pretty thick on this lab, which is actually a more
potent poisonous plant set right about at eye level. Again, no shorts,
and long sleeves are recommended. Also, we will walking through a
small swamp for this lab, so wear shoes you expect to get wet.

** Alnus rugosa Betulaceae Speckled alder, Tag alder

** Betula alleghaniensis Betulaceae Yellow birch

     Betula pumila Betulaceae Bog birch

     Betula Xpurpusii Betulaceae Purpus birch

** Cornus florida Cornaceae Flowering dogwood

** Hamamelis virginiana Hamamelidaceae Witch-hazel

** Parthenocissus quinquefolia Vitaceae Virginia creeper

    Populus alba Salicaceae European white poplar

** Populus deltoides Salicaceae Eastern cottonwood

** Populus grandidentata Salicaceae Bigtooth aspen

** Populus tremuloides Salicaceae Trembling aspen, Quaking aspen

    Populus Xrouleauiana Salicaceae White poplar hybrid

    Populus Xsmithii Salicaceae Smith's aspen

** Rhus glabra Anacardiaceae Smooth sumac

** Rhus typhina Anacardiaceae Staghorn sumac

    Rubus flagellaris Rosaceae Northern dewberry

** Sassafras albidum Lauraceae Sassafras

** Toxicodendron radicans Anacardiaceae Poison ivy

** Toxicodendron vernix Anacardiaceae Poison sumac

    Viburnum acerifolium Caprifoliaceae Mapleleaf viburnum

** Viburnum trilobum Caprifoliaceae Highbush-cranberry

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** Alnus rugosa	Betulaceae	Speckled alder, Tag alder
** Betula alleghaniensis	Betulaceae	Yellow birch
Betula pumila	Betulaceae	Bog birch
Betula Xpurpusii	Betulaceae	Purpus birch
** Cornus florida	Cornaceae	Flowering dogwood
** Hamamelis virginiana	Hamamelidaceae	Witch-hazel
** Parthenocissus quinquefolia	Vitaceae	Virginia creeper
Populus alba	Salicaceae	European white poplar
** Populus deltoides	Salicaceae	Eastern cottonwood
** Populus grandidentata	Salicaceae	Bigtooth aspen
** Populus tremuloides	Salicaceae	Trembling aspen, Quaking aspen
Populus Xrouleauiana	Salicaceae	White poplar hybrid
Populus Xsmithii	Salicaceae	Smith's aspen
** Rhus glabra	Anacardiaceae	Smooth sumac
** Rhus typhina	Anacardiaceae	Staghorn sumac
Rubus flagellaris	Rosaceae	Northern dewberry
** Sassafras albidum	Lauraceae	Sassafras
** Toxicodendron radicans	Anacardiaceae	Poison ivy
** Toxicodendron vernix	Anacardiaceae	Poison sumac
Viburnum acerifolium	Caprifoliaceae	Mapleleaf viburnum
** Viburnum trilobum	Caprifoliaceae	Highbush-cranberry