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Appendix A - Woody Plant Characteristics (General Riparian)

Table 1

Size/Form.
Elevation Range: Low 2000 to 4500; Middle 4500 to 7000; High 7000 to 10,000.
Root Type.
Rooting Ability from Cuttings.
Availability in the field: Refers to natural occurrences in the region. Ranking is from least to greatest.
Riparian Zones: 1 = Toe zone; 2 = Bank zone; 3 = Overbank zone; 4 = Transitional zone; 5 = Upland zone.
U = Unknown.

Table 2

Commercial Availability: Refers to availability of species in the nursery trade.
Deposition Tolerance: Regrowth following shallow coverage by soil.
Flooding Tolerance: High tolerates 10 to 30+ days; Medium tolerates 6 to 10 days; Low tolerates 1 to 5 days or less.
Drought Tolerance: Resistance to drought relative to native sites.
Salinity Tolerance: Resistance to salinity relative to native vegetation on similar sites.
Wildlife Value/Miscellaneous Notes.
Plant Indicator Status: Based on occurance in wetland: OBL = Obligate; FACW = Facultative Wet; FAC = Facultative; FACU = Facultative Upland; Upland = Upland.
U = Unknown.

Woody Plant Characteristics Table 1
Species	Size/ Form	Elevation Range	Root Type	Rooting Ability from Cuttings	Availability in Field	Use in Riparian Zone
Acer negundo Boxelder	Medium Tree	Low to Middle	Moderately Spreading	Poor	Common	4
Alnus rubra Red alder	Medium Tree	Middle to High	Shallow Spreading	Poor	Fairly Common	3, 4
Alnus sinuata Sitka alder	Small to Medium Tree	Middle to High	Shallow Spreading	Poor	Fairly Common	2, 3
Alnus incana spp. tenuifolia Thinleaf alder	Small to Medium Tree	Middle to High	Shallow Spreading	Poor	Common	2, 3
Betula occidentalis Water birch	Large Shrub to Small Tree	Middle to High	Shallow to Deep Spreading	Poor	Fairly Common	2, 3
Cornus sericea Redosier dogwood	Medium Shrub	Middle	Shallow	Moderate	Fairly Common	2, 3, 4
Crataegus douglasii Black/Douglas hawthorn	Small Tree	Low to Middle	Shallow to Deep Spreading	Poor	Fairly Common	3, 4
Elaeagnus commutata Silverberry	Medium Shrub	Low to Middle	Shallow to Deep Spreading	Very Good	Very Common	3, 4
Pentaphylloides floribunda Shrubby cinquefoil	Small Shrub	Low to Middle	Shallow to Deep Spreading	Poor	Very Common	3, 4
Philadelphus lewisii Mockorange	Small to Medium Shrub	Low to Middle	Spreading Fibrous	Poor	Common	3. 4
Populus angustifolia Narrowleaf cottonwood	Large Tree	Middle	Shallow	Very Good	Very Common	4
Populus fremontii Fremont cottonwood	Large Tree	Low to Middle	Shallow Fibrous	Very Good	Fairly Common	4
Populus tremuloides Quaking aspen	Medium Tree	Middle to High	Shallow	Poor	Very Common	4
Populus trichocarpa Black cottonwood	Large Tree	Low to Middle	Shallow Fibrous	Very Good	Very Common	4
Prunus virginiana Chokecherry	Medium to Large Shrub	Low to Middle	Rhizomatous	Good from root cuttings	Common	4
Rhus trilobata Skunkbush sumac	Medium to Large Shrub	Low to Middle	Deep Spreading Rhizomatous	Poor	Fairly Common	4
Ribes aureum Golden current	Small to Medium Shrub	Low to Middle	Spreading	Good (in greenhouse)	Common	3
Ribes cereum Wax/Squaw current	Small to Medium Shrub	Middle to High	Spreading	Fair	Common	3, 4
Rosa woodsii Wood's rose	Small to Medium Shrub	Low to Middle	Shallow to Deep	Good (in greenhouse)	Very Common	2, 3, 4
Sambucus coerulea Blue elderberry	Small Tree	Middle	Rhizomatous	Poor	Fairly Common	4
Sambucus racemosa Red elderberry	Medium Shrub	Middle to High	Spreading	Poor	Fairly Common	4
Shepherdia argentea Silver buffaloberry	Large Shrub	Low to Middle	Rhizomatous	Poor	Fairly Common	4
Symphoricarpos albus Common Snowberry	Small Shrub	Low to Middle	Spreading	Very Good	Very Common	3, 4

Woody Plant Characteristics Table 2
Species	Commercial Availability	Deposition Tolerance	Flooding Tolerance	Drought Tolerance	Salinity Tolerance	Wildlife Value/ Miscellaneous Notes	Plant Indicator Status
Acer negundo Boxelder	Yes	High	High	High	Medium	-	FAC
Alnus rubra Red alder	Yes	Medium	Medium	Low	Low	Big game browse; upland bird food	FAC
Alnus sinuata Sitka alder	Yes	Medium	Medium	Low	Low	Big game browse; upland bird food	FACW
Alnus incana spp. tenuifolia Thinleaf alder	Yes	Medium	Medium	Low	Low	Big game browse; upland bird food	FACW
Betula occidentalis Water birch	Yes	Medium	Medium	Low	Low	Big game browse	FACW
Cornus sericea Redosier dogwood	Yes	Low	High	Medium	Low	Big game browse; small mammal food; upland bird food	FACW
Crataegus douglasii Black/Douglas hawthorn	Yes	Medium	Low	High	Low	Browse for many species, and cover	FAC, U
Elaeagnus commutata Silverberry	Yes	High	High	Medium	Medium	Big game browse	FAC
Pentaphylloides floribunda Shrubby cinquefoil	Yes	U	U	High	U	Big game browse	FACW, FAC
Philadelphus lewisii Mockorange	Yes	U	U	U	U	Big game browse	FACW, U
Populus angustifolia Narrowleaf cottonwood	Yes	Medium	Medium	High	Medium	Big game browse	FACW
Populus fremontii Fremont cottonwood	Yes	Medium	Medium	Medium	Medium	Big game browse	FACW
Populus tremuloides Quaking aspen	Yes	Low	Low	Medium	Medium	Big game browse	FAC, FACU
Populus trichocarpa Black cottonwood	Yes	Medium	Medium	Medium	U	Big game browse	FACW
Prunus virginiana Chokecherry	Yes	Low	Low	Low to Medium	Low to Medium	Birds and small mammals eat fruits	FACU
Rhus trilobata Skunkbush sumac	Yes	High	Medium to High	Medium to High	Medium	Birds and small mammals eat fruits; Can not tolerate long-term flooding	FACU, U
Ribes aureum Golden current	Yes	U	U	U	U	Birds and small mammals eat fruits	FAC, FACW
Ribes cereum Wax/Squaw current	Yes	U	U	U	U	Birds and small mammals eat fruits	FACU, U
Rosa woodsii Wood's rose	Yes	U	Low	Low to High	Low	Rosehips eaten by many species	FACU
Sambucus coerulea Blue elderberry	Yes	Medium	Medium	Medium	Low	Fruits are important for birds	FAC
Sambucus racemosa Red elderberry	Yes	Medium	Medium	Medium	Low	Big game browse; Fruits eaten by birds and small mammals	FACU, FACU
Shepherdia argentea Silver buffaloberry	Yes	U	U	U	Low	Fruits eaten by birds and small mammals	FACU
Symphoricarpos albus Common Snowberry	Yes	Medium	Medium	Medium	Low	Fruits eaten by birds and small mammals	FACU

Source: Bentrup and Hoag, 1998.

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Last Modified: 08/21/2008