Native freshwater wetland plant associations of northwestern Oregon Public Deposited

http://ir.library.oregonstate.edu/concern/defaults/2z10wt98x

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  • This guide provides keys, descriptions, and stand tables for 122 native freshwater plant associations (14 forest and woodland, 28 shrub, 78 herbaceous, 2 nonvascular) in northwestern Oregon, based on analysis of data from 1,992 plots distributed throughout the study area. Descriptions are provided for eight other plant associations for which there are no plot data. Data were also not available for 114 additional associations reported from the study area (Kagan et al. 2000). The study area includes the north half of both the Coast Range and Western Cascade ecoregions, and all of the Willamette Valley. Vegetation is classified according to the National Vegetation Classification System, and plant associations are assigned to ecological systems that are currently being developed on a nationwide level.
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  • SUMMARY....................................................................................................................................................4; PREVIOUS WORK.........................................................................................................................................4; SCOPE, LOCATION, AND ENVIRONMENT.......................................................................................................4; MAJOR WETLAND TYPES.............................................................................................................................7; DISTURBANCE PROCESSES .........................................................................................................................8; EXOTIC PLANTS..........................................................................................................................................10; METHODS...................................................................................................................................................10; RESULTS....................................................................................................................................................12; KEY TO NATIVE FRESHWATER WETLAND PLANT ASSOCIATIONS OF NORTHWESTERN OREGON .............13; I. FOREST AND WOODLAND ASSOCIATIONS ..............................................................................................21; Alnus rubra / Athyrium filix-femina - Lysichiton americanus Association ........................................................21; Alnus rubra / Carex obnupta - Lysichiton americanus Association..................................................................22; Fraxinus latifolia / Carex aquatilis var. aquatilis Association...........................................................................23; Fraxinus latifolia / Carex deweyana - Urtica dioica ssp. gracilis Association ...................................................24 Fraxinus latifolia / Carex obnupta Association ..............................................................................................25; Fraxinus latifolia / Spiraea douglasii Association ..........................................................................................26; Fraxinus latifolia / Symphoricarpos albus Association...................................................................................27; Picea sitchensis / Carex obnupta - Lysichiton americanus Association ..........................................................28; Picea sitchensis / Cornus sericea / Lysichiton americanus Association..........................................................29; Pinus contorta var. contorta / Carex obnupta Association..............................................................................31; Populus balsamifera ssp. trichocarpa / Cornus sericea / Impatiens capensis Association...............................32; Populus tremuloides / Carex obnupta Association ........................................................................................33; Thuja plicata / Lysichiton americanus Association........................................................................................34; Tsuga heterophylla / Ledum glandulosum / Carex obnupta - Lysichiton americanus Association .......................35; II. SHRUBLAND ASSOCIATIONS ..................................................................................................................36; Alnus incana / Lysichiton americanus Association........................................................................................36; Alnus viridis ssp. sinuata / Lysichiton americanus Association ......................................................................37; Alnus viridis ssp. sinuata / Scirpus microcarpus Association.........................................................................38; Betula nana / Carex aquatilis var. dives Association......................................................................................39; Cornus sericea / Lysichiton americanus Association.....................................................................................40; Kalmia microphylla / Carex aquatilis var. dives Association............................................................................41; Ledum glandulosum - Gaultheria shallon / Carex obnupta Association............................................................42; Ledum glandulosum / Carex obnupta / Sphagnum Association ......................................................................43; Ledum glandulosum / Darlingtonia californica/ Sphagnum Association ...........................................................45; Ledum glandulosum - Myrica gale Association .............................................................................................47; Ledum glandulosum / Sanguisorba officinalis Association.............................................................................48; Malus fusca / Carex obnupta Association ....................................................................................................49; Myrica gale / Carex aquatilis var. dives Association.......................................................................................50; Salix commutata Association .....................................................................................................................51; Salix geyeriana complex............................................................................................................................52; Salix hookeriana - (Salix sitchensis) Association..........................................................................................53; Salix hookeriana - Malus fusca / Carex obnupta - Lysichiton americanus Association......................................54; Salix lucida ssp. lasiandra / Urtica dioica ssp. gracilis Association ................................................................55; Salix lucida ssp. lasiandra / Salix sitchensis / Lysichiton americanus Association...........................................56; Salix sitchensis complex...........................................................................................................................57; Spiraea douglasii Association....................................................................................................................58; Spiraea douglasii - Vaccinium uliginosum / Carex obnupta - Deschampsia caespitosa Association...................59; Spiraea douglasii / Sphagnum Association ..................................................................................................60; 2 Vaccinium caespitosum / Sanguisorba officinalis - Carex obnupta Association...............................................61; Vaccinium caespitosum / Xerophyllum tenax - Sanguisorba officinalis Association .........................................62; Vaccinium uliginosum / Carex obnupta Association......................................................................................63; Vaccinium uliginosum / Deschampsia caespitosa - Carex obnupta Association ..............................................64; Vaccinium uliginosum / Dodecatheon jeffreyi - Caltha leptosepala ssp. howellii Association .............................65; III. HERBACEOUS ASSOCIATIONS...............................................................................................................67; Athyrium filix-femina Association ................................................................................................................67; Azolla (filiculoides, mexicana) Association...................................................................................................68; Bidens cernua Association........................................................................................................................69; Bidens frondosa Association ......................................................................................................................70; Boykinia major Association ........................................................................................................................71; Brasenia schreberi Association ..................................................................................................................72; Calamagrostis canadensis Association .......................................................................................................73; Calamagrostis nutkaensis Association........................................................................................................74; Callitriche heterophylla Association .............................................................................................................75; Caltha leptosepala ssp. howellii Association ................................................................................................76; Caltha leptosepala ssp. howellii - Carex obnupta Association ........................................................................77; Camassia quamash Association.................................................................................................................78; Carex amplifolia Association......................................................................................................................79; Carex angustata Association ......................................................................................................................80; Carex aperta Association ...........................................................................................................................81; Carex aquatilis var. aquatilis Association .....................................................................................................82; Carex aquatilis var. dives Association..........................................................................................................83; Carex aquatilis var. dives - Comarum palustre Association ............................................................................84; Carex buxbaumii Association .....................................................................................................................85; Carex cusickii Association .........................................................................................................................86; Carex deweyana ssp. leptopoda Association ..............................87; Carex exsiccata Association......................................................................................................................88; Carex feta Association..............................................................................................................................89; Carex lasiocarpa Association.....................................................................................................................90; Association....................................................................................................................91; Carex limosa Association..........................................................................................................................92; Carex luzulina Association .........................................................................................................................93; Carex nebrascensis Association.................................................................................................................94; Carex nigricans Association .......................................................................................................................95; Carex obnupta Association........................................................................................................................96; Carex pachystachya Association.................................................................................................................97; Carex scopulorum Association....................................................................................................................98; Carex simulata Association ........................................................................................................................99; Carex utriculata Association ..................................................................................................................... 100; Ceratophyllum demersum Association....................................................................................................... 101; Deschampsia caespitosa montane "wet meadow" complex ......................................................................... 102; Deschampsia caespitosa - Artemisia lindleyana Association ....................................................................... 107; Deschampsia caespitosa - Danthonia californica Association...................................................................... 108; Deschampsia caespitosa - Juncus balticus Association ............................................................................. 109; Dulichium arundinaceum Association ........................................................................................................ 110; Eleocharis acicularis Association.............................................................................................................. 111; Eleocharis ovata - Ludwigia palustris Association ...................................................................................... 112; Eleocharis palustris Association ............................................................................................................... 113; Eleocharis quinqueflora Association.......................................................................................................... 114; Elodea canadensis Association ................................................................................................................ 116; Equisetum arvense Association................................................................................................................ 117; Eragrostis hypnoides - Gnaphalium palustre Association............................................................................. 118; Euthamia occidentalis Association............................................................................................................ 119; Glyceria striata Association..................................................................................................................... 120; 3 Hippuris vulgaris Association.................................................................................................................... 121; Hydrocotyle ranunculoides Association...................................................................................................... 122; Isoetes nuttallii Association..................................................................................................................... 123; Juncus balticus Association.................................................................................................................... 124; Juncus effusus Association ..................................................................................................................... 125; Juncus nevadensis Association................................................................................................................ 126; Lemna minor Association........................................................................................................................ 127; Lilaeopsis occidentalis Association........................................................................................................... 128; Ludwigia palustris - Polygonum hydropiperoides Association........................................................................ 129; Menyanthes trifoliata Association.............................................................................................................. 130; Nephrophyllidium crista-galli Association ................................................................................................... 131; Nuphar lutea ssp. polysepala Association.................................................................................................. 132; Oenanthe sarmentosa Association............................................................................................................ 133; Paspalum distichum Association .............................................................................................................. 134; Polygonum amphibium Association........................................................................................................... 135; Potamogeton natans Association.............................................................................................................. 136; Ranunculus aquatilis Association.............................................................................................................. 137; Ranunculus flammula Association ............................................................................................................ 138; Sagittaria latifolia Association................................................................................................................... 139; Sanguisorba officinalis - Carex aquatilis var. dives Association.................................................................... 140; Schoenoplectus acutus Association.......................................................................................................... 141; Scirpus microcarpus Association.............................................................................................................. 142; Senecio triangularis Association ............................................................................................................... 143; Sparganium angustifolium Association ...................................................................................................... 144; Sparganium eurycarpum Association......................................................................................................... 145; Torreyochloa pallida var. pauciflora Association.......................................................................................... 146; Trichophorum caespitosum Association .................................................................................................... 147; Triteleia hyacinthina Association............................................................................................................... 148; Typha latifolia Association....................................................................................................................... 149; Utricularia macrorhiza Association ............................................................................................................ 150; IV. NONVASCULAR ASSOCIATIONS .......................................................................................................... 151; Fontinalis antipyretica Association ............................................................................................................ 151; Polytrichum commune Association ........................................................................................................... 152; REFERENCES .......................................................................................................................................... 153; Appendix A................................................................................................................................................ 163
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  • description.provenance : Made available in DSpace on 2010-01-25T17:03:28Z (GMT). No. of bitstreams: 1 Native Freshwater Wetland Plant Associations of Northwestern Oregon.pdf: 1221635 bytes, checksum: cc3605e54968779bb2f6da5c8b0fd87e (MD5) Previous issue date: 2004
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