Emerald Chapter, NPSO, Rare and Endangered Vascular Plant List Lane Co., Oregon – April 2012

Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Abronia latifolia Eschsch. European beachgrass competition; 4 B CZ yellow sandverbena ORV activity

Abronia umbellata Lam. ssp. breviflora Sensitive habitat; last reported in the SOC LE 1 A CZ (Standl.) Munz 1970s pink sandverbena

Ageratina occidentalis (Hook.) R.M. King & H. Rare in Lane Co. C WC Rob. western eupatorium; western boneset

Agrostis densiflora Vasey Known from one historic site in Lane C CZ coastal bluff bentgrass; California bentgrass C Co.

Amelanchier alnifolia (Nutt.) Nutt. ex M. Var. alnifolia from east of Cascades; C WC Roem. var. alnifolia one historic collection in Lane Co. Saskatoon serviceberry from barely over the crest; need to relocate; taxonomic questions about varieties Apocynum cannabinum L. var. glaberrimum A. Infrequently seen in Lane Co.; in B WV DC. protected and unprotected sites near hemp dogbane argiculture

Apocynum sibiricum Jacq. var. salignum Road and RR maintenance B WV (Greene) Fernald clasping leaved dogbane

Aristida oligantha Michx. Sensitive habitat; park and wetland B WV prairie threeawn; few flowered aristida na management; exotic invasives encroachment

Arnica nevadensis A. Gray Rare; no known threats C WC, HC Sierra arnica

Artemisia tridentata Nutt. ssp. vaseyana (Rydb.) Last seen 40 years ago from one Lane C WC Beetle Co. location; need to relocate mountain big sagebrush

Asarum marmoratum Piper Known from only one historic record C WC marbled wild ginger

Asarum wagneri K.L. Lu & Mesler Four Lane Co. sites; forest C 4 A WC green flowered wild ginger management

Asclepias cordifolia (Benth.) Jeps. Forest succession; shade B WC purple milkweed encroachment Asclepias fascicularis Duchesne Loss of habitat; land use B WV narrowleaf milkweed

Asplenium trichomanes L. ssp. trichomanes Rare in Lane Co. C CR, WC maidenhair spleenwort

Page 1 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Astragalus purshii Douglas ex Hook. var. Known from only one historic record C WC lagopinus (Rydb.) Barneby in Lane Co.; an east of Cascades Pursh’s milkvetch species, barely coming over the crest

Astragalus umbraticus E. Sheld. Populations have declined because of 4 C WC woodland milkvetch fire suppression; woody plant and shade encroachment Athyrium alpestre (Hoppe) Clairv. var. Rare high elevation species C HC americanum Butters American alpine lady fern

Atriplex dioica Raf. Known from one historic collection C CZ thick leaf orach in Lane Co.

Atriplex gmelinii C.A. Mey. ex Bong. var. Only two historic collections in 2 A CZ gmelinii Oregon; one in Lane Co.; need to obtuse leaf saltbush relocate

Azolla mexicana C. Presl Expected to occur in Lane Co., but no C WV mosquito fern documentation. Need an electron microscope for positive ID; OFP Atlas shows several observations in Lane Co., but no verified voucher Balsamorhiza deltoidea Nutt. Woody encroachment in meadows C CR, WV, deltoid balsamroot and invasion by exotics WC

Blepharipappus scaber Hook. Known from one historic record in C WV rough eyelash; blepharipappus Lane Co.

Boechera howellii (S. Watson) Windham & Al- Rare high elevation species in C WC, HC Shehbaz (= Arabis platysperma A. Gray var. Lane Co.; no threats howellii (S. Watson) Jeps. in part) Howell's flatseed rockcress

Botrychium minganense Vict. Expected to occur in Lane Co., but no 4 C WC gray moonwort county record; occurs nearby in Linn Co. Botrychium simplex E. Hitchc. Woody species encroachment C WC, HC little grapefern

Boykinia intermedia (Piper) G.N. Jones (= Two sites in Lane Co.; need to find C CR Boykinia major A. Gray var. intermedia Piper)m more sites pyramidal boykinia

Bromus pacificus Shear Several obseved sites in Lane Co.; C CZ, CR, Pacific brome need documentation WV, HC

Cacaliopsis nardosmia (A. Gray) A. Gray ssp. Expected to occur in Lane Co. ; C WV glabrata (Piper) Piper known from counties north and silvercrown luina south

Callitriche hermaphroditica L. Recently found in coastal lakes 3 C CZ northern water starwort

Calochortus uniflorus Hook. & Arn. Loss of habitat; wetland management B WV large flowered startulip

Calycadenia truncata DC. Disjunct populations; ORV B WV rosin weed; tackweed disturbance; invasives competition; agency management Calystegia soldanella (L.) R. Br. European beach grass invasion; B CZ seashore morning glory human use area

Page 2 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Campanula rotundifolia L. Two sites in Lane Co, helicopter B WC Scots harebell landing; trail maintenance; agency management Carex abrupta Mack. One historic site in Lane Co. 4 C WC abrupt beaked sedge

Carex angustata Boott Few sites in Lane Co.; need more C WC Wide fruited sedge information Carex aperta Boott Few sites in Lane Co.; need more C WC, HC Columbia sedge information Carex athrostachya Olney More information needed to C WV,WC slenderbeak sedge determine status

Carex brainerdii Mack. One site in Lane Co. C WC Brainerd’s sedge

Carex brevicaulis Mack. Expected to occur in Lane Co., but no 2 C CZ short stemmed sedge county record

Carex buxbaumii Wahlenb. Uncommon; sensitive habitat; woody C WC Buxbaum’s sedge plant invasion in wet meadows

Carex californica L.H. Bailey Rare in Lane Co.; woody C CR California sedge encroachment

Carex canescens L. ssp. canescens More information needed to C WC hoary sedge determine status

Carex concinnoides Mack. Northern end of range C WC northwestern sedge

Carex deflexa Hornem. var. boottii L.H. Bailey Known only from historic records; to C HC (= Carex brevipes W. Boott) be expected at higher elevatons as a mountain sedge look-alike of C. rossii

Carex diandra Schrank Rare; only two populations in Lane 2 A WC lesser panicled sedge Co.; wilderness meadows Carex disperma Dewey Rare in Lane Co.; scattered in C WC soft leaved sedge Cascades and NE Oregon Mountains

Carex echinata Murray ssp. phyllomanica (W. Habitat loss; wetland management B CZ Boott.) Reznicek prickly sedge

Carex gynodynama Olney Roadside vegetation management and 4 B WC Olney’s hairy sedge; wonderwoman sedge forest management with high impacts to soil Carex hassei L.H. Bailey Industrial park redevelopment; forest B CR, WV false golden sedge succession

Carex illota L.H. Bailey Uncommon in montane wet meadows C WC, HC small headed sedge

Carex infirminervia Naczi (= Carex bolanderi Three sites in Lane Co.; need more 3 C WC Olney ssp. infirminervia Naczi) sites weak-veined sedge

Carex integra Mack. Trampling disturbance; woody C WC, HC smooth beaked sedge species encroachment

Carex interior L.H. Bailey Known from one historic site in Lane C WC inland sedge Co.

Page 3 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Carex lenticularis Michx. var. limnophila (T. Urban development; woody plant B CZ Holm) Cronquist encroachment of coastal wetlands lakeshore sedge

Carex leporinella Mack. More information needed to C WC, HC Sierra hare sedge determine status

Carex livida (Wahlenb.) Willd. One site in Lane Co.; woody 2 A WC pale sedge successon; changes in hydrology

Carex macrocephala Willd. ex Spreng. Sensitive habitat; known only from 2 A CZ large headed sedge historic records

Carex mendocinensis Olney Conifer encroachment; roadside B WC Mendocino sedge vegetation management

Carex multicaulis L.H. Bailey Rare; two sites in Lane Co.; easily C WC many stemmed sedge overlooked; north end of range

Carex multicostata Mack. More information needed to C WC many ribbed sedge determine status

Carex nebrascensis Dewey Rare in Lane Co.; seen more C WC Nebraska sedge frequently east of Cascades; sucepitable to woody plant succession Carex pansa L.H. Bailey Park management; coastal erosion B CZ sand dune sedge

Carex phaeocephala Piper More information needed to C WC, HC mountain hare sedge determine status

Carex praticola Rydb. Woody species encroachment C WC meadow sedge

Carex preslii Steud. Uncommon high elevation species; C WC, HC Presl's sedge no threats

Carex raynoldsii Dewey Widely scattered and rare, but easy to C WC Raynold's sedge ID; monitor for woody succession

Carex retrorsa Schwein. Road and wetland maintenance; UO 2 A WV retrorse sedge athletic facility expansion; reed canary grass invasion Carex scirpoidea Michx. ssp. stenochlaena (T. Roadside management; two sites in 2 A WC Holm) A. Löve & D. Löve Lane Co. Alaska single spiked sedge

Carex simulata Mack. Rare in Lane Co.; more frequently C HC shortbeaked sedge seen east of Cascades

Carex straminiformis L.H. Bailey Rare in Lane Co.; high elevation C HC Mt. Shasta sedge species; no threats

Carex subfusca W. Boott More information needed to C WC rusty sedge determine status

Carex vesicaria L. Rare in Lane Co.; high elevation C HC inflated sedge species; more frequently seen east of Cascades Carex viridula Michx. ssp. viridula Rare in Lane Co.; urban B CZ green sedge development; woody plant succession

Page 4 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Castilleja rupicola Piper Recent exploration has revealed more SOC 4 A WC, HC cliff paintbrush sites to the south than previously known Ceanothus prostratus Benth. var. prostratus Rare in Lane Co.; known from three C WC Mahala mat sites

Ceratophyllum echinatum A. Gray Known from one historic site in 2-ex A-ex CZ hornwort Oregon; presumed extinct

Cicendia quadrangularis (Lam.) Griseb. Sensitive habitat 2 A WV, WC timwort

Cimicifuga elata Nutt. Logging practices; agency C 4 A CR, WV, tall bugbane management; nomenclature debate – WC waiting for OFP taxonomic decision Clarkia purpurea (Curtis) A. Nelson & J.F. Willamette Valley conservation target B WV Macbr. ssp. viminea (Douglas ex Hook.) F.H. plant; woody and invasive species Lewis & M.R. Lewis encroachment; grazing on private large godetia sites

Claytonia washingtoniana (Suksd.) Suksd. Expected to occur in Lane Co., but no C CZ, CR Washington miner's lettuce county record

Collomia larsenii (A. Gray) Payson Rare high elevaton species; no threats 4 C HC talus collomia

Collomia linearis Nutt. Few sites in Lane Co. Need more C WC narrowleaf collomia locations

Collomia tinctoria Kellogg Few sites in Lane Co. Need more C WC, HC yellow staining collomia locations

Conioselinum pacificum (S. Watson) J.M. Few sites in Lane Co. C CZ Coult. & Rose Pacific hemlock parsley

Corallorhiza striata Lindl. var. vreelandii Known from one historic record in C WC (Rydb.) L.O. Williams Lane Co.; searched but so far not Vreeland’s coralroot relocated

Corallorhiza trifida Châtel. Two historic collections from Lane C WC, HC northern coralroot Co.; recently found in Linn Co.

Cordylanthus ramosus Nutt. ex Benth Three adjacent sites in Lane Co.; seen C WC bushy birdbeak more frequently east of the Cascades

Cordylanthus tenuis A. Gray ssp. viscidus Only two sites in Lane Co.; need C WC (Howell) T.I. Chuang & Heckard more sites sticky birdbeak

Corydalis aqua-gelidae M. Peck & W.C. Forest management; one site in Lane SOC C 1 A WC Wilson Co. cold water corydalis

Crassula aquatica (L.) P. Schoenl. Loss of habitat; urban development; B WV water pygmy weed one site in Lane Co.; need more sites

Crepis pleurocarpa A. Gray Few sites in Lane Co.; need to find C WC naked stemmed hawksbeard more

Cryptantha torreyana (A. Gray) Greene One site in Lane Co.; need more sites; B WC Torrey’s cryptantha roadside maintenance

Cyperus bipartitus Torr. Reservoir management; recreational 3 B WV shining flatsedge activity

Page 5 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Cypripedium montanum Douglas ex Lindl. Loss of habitat; genetic isolation; 4 B WV, WC mountain lady’s slipper overshading by conifers

Danthonia spicata (L.) P. Beauv. ex Roem. & Roadside maintenance B WC Schult. common wild oatgrass

Darlingtonia californica Torr. Loss of habitat; commercial 4 B CZ California pitcher plant; cobra lily exploitation; park management

Darmera peltata (Torr.) Voss Expected to occur in Lane Co., but no C CR umbrella plant county record; records from north and south of Lane Co. Delphinium glaucum S. Watson Expected to occur in Lane Co., but no C WC mountain larkspur county record

Delphinium oreganum Howell Agency management; taxonomic SOC C 1 A WV Willamette Valley larkspur study needed on Lane Co. populations Delphinium pavonaceum Ewan Known from only one historic record SOC LE 1 A WV peacock larkspur

Dichelostemma capitatum (Benth.) A.W. Wood Known only from historic records; C WV, WC ssp. capitatum need to relocate blue dicks

Dodecatheon pulchellum (Raf.) Merr. ssp. Habitat loss; West Eugene wetland B WV macrocarpum (A. Gray) Roy L. Taylor & management; recent reports from MacBryde Western Cascade sites need beautiful shooting star verification

Douglasia laevigata A. Gray Rare; one site in Lane Co. B WC smooth leaved douglasia

Draba aureola S. Watson Rare high elevation species; no 4 C HC golden draba known threats

Drosera anglica Huds. Few sites in Lane Co.; currently no C WC English sundew threats

Eleocharis suksdorfiana Beauverd (=Eleocharis Three sites in Lane Co.; need more C WC quinqueflora (Hartmann) Sw. misapplied) sites; taxonomic review because of beaked spikerush some confusion

Elmera racemosa (S. Watson) Rydb. var. Rare high elevation species; no 4 C HC racemosa known threats elmera

Elodea nuttallii (Planch.) H. St. John Known only from historic records 3 C WV Nuttall's waterweed

Empetrum nigrum L. Sensitive habitat B CZ black crowberry

Enemion stipitatum (A. Gray) J.R. Drumm. & Park management; weedy species 4 B WV Hutch. competition dwarf rue-anemone; dwarf isopyrum

Epilobium clavatum Trel. Rare; no known threats C WC, HC club fruited willowherb

Epilobium lactiflorum Hausskn. Rare; no known threats; if found C WC, HC white flowered willowherb needs taxanomic determination

Page 6 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Epilobium luteum Pursh Few sites in Lane Co; forest 4 C WC yellow willowherb management; roadside maintenance

Epilobium palustre L. Expected to occur in Lane Co.; look C CZ, WC swamp willowherb for it

Epilobium torreyi (S. Watson) Hoch & P.H. Habitat loss; Willamette Valley C WV Raven conservation target plant Torrey’s willowherb

Equisetum fluviatile L. Water weed competition B CZ, WC water horsetail

Eremocarpus setigerus (Hook.) Benth. Habitat loss; encroachment by exotic C WV turkey mullein invasives; Willamette Valley conservation target plant Ericameria bloomeri (A. Gray) J.F. Macbr. An eastside species, but comes over C WC, HC rabbitbrush goldenweed the crest into Lane Co. Ericameria greenei (A. Gray) G.L. Nesom Infrequent; need more sites and C WC, HC Greene's goldenweed documentation

Ericameria nauseosa (Pall. ex Pursh) G.L. Need more information about security C WC Nesom & G.I. Baird var. speciosa (Nutt.) G.L. of sites Nesom & G.I. Baird rabbitbrush

Erigeron compositus Pursh var. compositus Known from Linn Co. ½ mi. north of C WC cutleaf daisy Lane Co., but no current record in Lane Co.; look for it Erigeron compositus Pursh var. glabratus Secure at high elevations; threatened B WC, HC Macoun by forest management decisions at cutleaf daisy lower elevations Erigeron decumbens Nutt. Loss of habitat, urban development LE LE 1 A WV Willamette Valley daisy

Erigeron speciosus (Lindl.) DC. Loss of habitat; exotic species B WV, WC showy daisy encroachment; over shading; Willamette Valley conservation target plant Eriophorum angustifolium Honck. ssp. Expected to occur in Lane Co., but no 4 C WC angustifolium county record many spiked cottongrass

Eriophorum chamissonis C.A. Mey. Loss of habitat; golf course and urban 2 A CZ russet cottongrass development

Erythronium klamathense Applegate Known from one historic observation; C WC Klamath fawnlily need to relocate

Erythronium revolutum Sm. Logging; trailside trampling 4 B CZ, CR coast fawnlily

Eucephalus vialis Bradshaw (= Aster vialis Urban growth; forest management SOC LT 1 A WV (Bradshaw) S.F. Blake) wayside aster

Euonymus occidentalis Nutt. ex Torr. var. Forest management ; one site in Lane B CR, WC occidentalis Co. western wahoo

Euthamia occidentalis Nutt. (= Solidago Flooding; land management B WV occidentalis (Nutt.) Torr. & A. Gray western goldenrod

Page 7 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Festuca rubra L. ssp. mediana (Pavlick) Rare in Oregon; one site in Lane Co. C CZ Pavlick dune red fescue

Frasera umpquaensis M. Peck & Applegate Agency management C 1 A WC Umpqua frasera

Fritillaria atropurpurea Nutt. Known from only one site in Lane C WC purple fritillary Co.

Fritillaria glauca Greene Known from only one site in Lane 4 C WC Siskiyou fritillary Co.

Gentiana newberryi A. Gray var. newberryi North end of range; disjunct 2 A WC Newberry's gentian populations

Gentianopsis simplex (A. Gray) H.H. Iltis Sensitive habitat; few sites in Lane C WC one flowered gentian Co.

Geranium bicknellii Britton Meadow succession B WV, WC Bicknell’s geranium

Geranium richardsonii Fisch. & Trautv. Forest management B WC Richardson's geranium

Gilia millefoliata Fisch. & C.A. Mey. Expected to occur in Lane Co., but no SOC 1 C CZ seaside gilia county record

Glehnia littoralis (A. Gray) F. Schmidt ex Miq. European beach grass B CZ ssp. leiocarpa (Mathias) Hultén enchroachment; dunes management beach silvertop

Glyceria leptostachya Buckley Two observations, need C WV, WC slenderspike mannagrass documentation; Willamette Valley conservation target plant

Gnaphalium californicum DC. Two historic records and one recent 3 B CZ California cudweed record; weed competition; railroad maintenance Heterotheca oregona (Nutt.) Shinners Hydrologic changes; exotic species B WV Oregon goldenaster competition; Willamette Valley conservation target plant Heuchera glabra Willd. Rare in Lane Co.; need more sites C WC, HC smooth alumroot

Heuchera micrantha Douglas ex Lindl. var. Known only from historic records C CR, WC diversifolia (Rydb.) Rosend., Butters & Lakela Pacific alumroot

Hieracium bolanderi A. Gray Recently documented in Lane Co.; C HC Bolander's hawkweed need more sites

Hieracium greenei A. Gray One site in Lane Co.; documentation 3 C WC Greene's hawkweed needed

Hieracium horridum Fr. Known from one historic record 2 A HC shaggy hawkweed

Hieracium parryi Zahn Need more information C WV Parry's hawkweed

Hierochloë odorata (L.) P. Beauv. Timber harvest management; need 4 C WC holy grass, vanilla grass documentation

Page 8 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Honckenya peploides (L.) Ehrh. var. major ORV use, European beachgrass B CZ (Hook.) Abrams invasion sea purslane

Horkelia congesta Douglas ex Hook. ssp. Habitat loss; wetland management SOC C 1 A WV congesta shaggy horkelia

Horkelia fusca Lindl. ssp. filicoides (Crum) One site in Lane Co.; need C WC D.D. Keck documentation dusky horkelia

Howellia aquatilis A. Gray Expected to occur in Lane Co., but no LT LT 1 C WV Howellia county record

Hydrocotyle verticillata Thurnb. Expected to occur in Lane Co., but no 2 C CZ whorled marsh pennywort county record.

Idahoa scapigera (Hook.) A. Nelson & J.F. Recently reclocated in Lane Co.; need C WV Macbr. more sites; Willamette Valley flatpod conservation target plant

Ipomopsis congesta (Hook.) V.E. Grant ssp. Rare high elevation species; no C HC montana (A. Nelson & P.B. Kenn.) V.E. Grant threats mountain ballhead gilia

Isoetes howellii Engelm. One site in Lane Co.; need more C CZ Howell's quillwort information; review taxonomy

Isoetes occidentalis L.F. Hend. One site in Lane Co.; need more C CZ western quillwort information

Juncus hemiendytus F.J. Herm. var. Agency land use decisions; 3 B WV hemiendytus Willamette Valley conservation dwarf rush target plant

Juncus kelloggii Engelm. Expected to occur in Lane Co., but no 3 C WC Kellogg's dwarf rush county record

Juncus supiniformis Engelm. Loss of habitat; urban growth B CZ hairleaved rush

Kyhosia bolanderi (A. Gray) B.G. Baldwin Additional sites located; status under C WC Bolander's tarweed review

Lagophylla ramosissima Nutt. Powerline management; Willamette B WV slender hairleaf Valley conservation target plant

Lasthenia glaberrima DC. Loss of habitat; wetland management; B WV smooth goldfields Willamette Valley conservation target plant Lasthenia maritima (A. Gray) M.C. Vasey European beachgrass invasion; park B CZ maritime goldfields management

Lathyrus holochlorus (Piper) C.L. Hitchc. Habitat loss; road maintenance SOC 1 A WV, WC thin leaved peavine

Lathyrus lanszwertii Kellogg var. aridus (Piper) Two sites in Lane Co.; seen more C WC Jeps. frequently east of the Cascades Nevada peavine

Lathyrus palustris L. Private property land use; sensitive B CZ marsh pea habitat

Page 9 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Lathyrus tracyi Bradshaw (= Lathyrus Expected to occur in Lane Co., need 4 C WC lanszwertii Kellogg var. tracyi (Bradshaw) to collect white-flowered peas for Isley determination Tracy’s peavine

Lathyrus vestitus Nutt. var. ochropetalus (Piper) Road maintenance B WV, WC Isely Pacific pea

Lepidium nitidum Nutt. ex Torr. & A. Gray var. Willamette Valley conservation target C WV nitidum plant shining peppergrass

Leptarrhena pyrolifolia (D. Don) R. Br. ex Ser. Known from one historic site C HC false saxifrage

Leptosiphon ciliatus (Benth.) Jeps. (= Linanthus Woody species succession in C WC ciliatus (Benth.) Greene) meadows; need documentation whiskerbrush

Leptosiphon nuttallii (A. Gray) J.M. Porter & Two adjacent sites in Lane Co., no C WC L.A. Johnson ssp. nuttallii (= Linanthus threats nuttallii (A. Gray) Milliken ssp. nuttallii) Nuttall's linanthus

Leucophysalis nana (A. Gray) Averett Known from one historic collection; C WV dwarf chamaesaracha may be extirpated

Lewisia columbiana (Howell ex A. Gray) B.L. Genetic isolation; disjunct population 2 A WC Rob. var. columbiana Columbia lewisia

Lewisia nevadensis (A. Gray) B.L. Rob. Known from one historic site; may be C WC Nevada lewisia extirpated

Lewisia pygmaea (A. Gray) B.L. Rob. Rare in Lane Co.; no threats C WC, HC dwarf lewisia

Lilaea scilloides (Poir.) Hauman Two sites in Lane Co.; need more 4 C CZ flowering quillwort sites

Lilium pardalinum Kellogg ssp. pardalinum Uncommon; north end of range; B WC leopard lily threatened by ORVs, herbivory, road maintenance Lilium rubescens S. Watson Known from one historic record C WC redwood lily

Limonium californicum (Boiss.) A. Heller Expected to occur in Lane Co., but no 2 C CZ western marsh rosemary county record

Lithophragma tenellum Nutt. Willamette Valley conservation target C WV slender woodland star plant

Lomatium bradshawii (Rose) Mathias & Habitat loss; wetland management LE LE 1 A WV Constance Bradshaw's lomatium; Bradshaw's desert parsley

Lomatium macrocarpum (Nutt. ex Torr. & A. Park management; trampling; B WV Gray) J.M. Coult. & Rose invasive species encroachment large fruited lomatium

Lonicera utahensis S. Watson Rare in Lane Co.; no threats C WC Utah honeysuckle

Page 10 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Lotus denticulatus (Drew) Greene Few sites in Lane Co.; look for more C WV, WC meadow lotus

Lotus humistratus Greene Known from one historic site; may C WV hill lotus be extirpated

Lupinus affinis J. Agardh Loss of habitat; Willamette Valley B WV fleshy lupine conservation target plant

Lupinus bicolor Lindl. Expected to occur in Lane Co., many C WV bicolored lupine observatons, but no confirmed documentation in OSU Herbarium Lupinus lepidus Douglas ex Lindl. var. lepidus Rare in the Willamette Valley; B CR, WV Pacific lupine agency management

Lupinus lepidus Douglas ex Lindl. var. sellulus An east of the Cascades species; one C WC (Kellogg) Barneby historic site in Lane Co; need to dwarf lupine relocate

Lupinus oreganus A. Heller (=Lupinus Habitat loss; larval food plant for rare LT :LT 1 A WV sulphureus Douglas ex Hook. ssp. kincaidii butterfly (C.P. Sm.) L.Ll. Phillips Oregon lupine; Kincaid’s lupine

Lupinus sericeus Pursh Two Lane Co. sites; need C WC, HC silky lupine documentation

Lycopodiella inundata (L.) Holub Sensitive habitat; equestrian and 2 A CZ, CR, bog clubmoss ORV use; reservoir management WC

Lycopodium annotinum L. Known from one historic record 4 C HC stiff clubmoss

Marsilea vestita Hook. & Grev. Agency management; hydrologic 3 B WV hair waterclover routine; Willamette Valley conservation target plant Micranthes nelsoniana (D. Don) Small var. Recently found in Lane Co.; need C WC, HC cascadensis (Calder & Saville) Gornall & documentation Ohba) (= Saxifraga nelsoniana D. Don ssp. cascadensis (Calder & Savile) Hultén) dotted saxifrage

Micropus californicus Fisch. & C.A. Mey. var. Known from two historic collections C WV californicus slender cottonweed

Microseris bigelovii (A. Gray) Sch. Bip. Known from one historic record 2 A CZ coast microseris

Mimulus cardinalis Douglas ex Benth. Restricted to one river drainage in B WV, WC scarlet monkeyflower Lane Co; forest management practices upstream Mimulus pulsiferae A. Gray Forest management C WC candelabrum monkeyflower

Mimulus tricolor Hartw. Expected to occur in Lane Co., but no 2 C WV tricolored monkeyflower Co. record

Minuartia cismontana Meinke & Zika Rare; two sites in Lane Co., one B WV, WC cismontane sandwort historic, two recent

Minuartia obtusiloba (Rydb.) House One high elevation site in Lane Co.; C HC alpine sandwort no threats

Page 11 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Monardella odoratissima Benth. Infrequent in Lane Co.; need more C WC mountain monardella sites

Moneses uniflora (L.) A. Gray Coast forest management; few recent C CZ, CR single delight; woodnymph records

Montia chamissoi (Ledeb. ex Spreng.) Greene Two sites in Lane Co.; find more C WC water montia

Montia dichotoma (Nutt.) Howell Land use issues; need more sites B WV dwarf montia

Montia howellii S. Watson Development; road and parking lot C 4 A WV, WC Howell's montia maintenance

Najas guadalupensis (Spreng.) Magnus var. Expected to occur in Lane Co., but no 3 C WC guadalupensis current record common waternymph

Navarretia capilaris (Kellogg) Kuntze (= Gilia Rare; three sites in Lane Co.; need B WC capillaris Kellogg) documentation smooth leaved gilia

Navarretia leucocephala Benth. ssp. Known from one historic record 4 C WV leucocephala white flowered navarretia

Naverretia sinistra (M.E. Jones) L.A. Johnson Two sites; Willamette Valley 4 C WV, ssp. sinistra (= Gilia sinistra M.E. Jones ssp. conservation target plant sinistra) Alva Day’s gilia

Navarretia willamettensis S.C. Spencer Recently described; one historic 1 A WV Willamette navarretia record

Noccaea fendleri (A. Gray) Holub ssp. glauca Known from two adjacent sites in C WC (A. Nelson) Al-Shebaz & M. Koch (= Thlaspi Lane Co. montanum L. var. montanum) alpine pennycress

Nuttallanthus texanus (Scheele) D.A. Sutton (= Sensitive habitat; wetland B WV, WC Linaria canadensis (L.) Dum. Cours. var. management texana (Scheele) Pennell) large flowered toadflax; Texas linaria

Olsynium douglasii (A. Dietr.) E.P. Bicknell Park management; recreational B WV var. douglasii disturbance grass widows

Ophioglossum pusillum Raf. Sensitive habitat 2 A CZ, WC northern adder's tongue

Orobanche californica Cham. & Schltdl. ssp. West Eugene wetland management 3 B WV californica California broomrape

Orobanche californica Cham. & Schltdl. ssp. One historic site in Lane Co.; need to 3 C WV grayana (Beck) Heckard relocate Gray’s broomrape

Orobanche pinorum Geyer Logging; park management B WV, WC pine broomrape

Page 12 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Packera bolanderi (A. Gray) W.A. Weber & Á. Two sites in Lane Co.; need more C WC Löve var. bolanderi (= Senecio bolanderi A. information and more sites Gray var. bolanderi) Bolander's groundsel

Packera macounii (Greene) W.A. Weber & Á. Two historic records; hasn’t been C WV Löve (= Senecio macounii Greene) seen in Lane Co. for 75 years. Puget groundsel

Packera pseudaurea (Rydb.) W.A. Weber & Á. Historic record; need to relocate C WC Löve var. pseudaurea (= Senecio pseudaureus Rydb. var. pseudaureus) streambank butterweed, falsegold groundsel

Parnassia fimbriata K.D. Koenig Rare in Lane Co.; need more sites C WC fringed grass-of-Parnassus

Pedicularis contorta Benth. Few sites; find more C WC coiled pedicularis

Pellaea andromedifolia (Kaulf.) Fée Known from one historic site; sought 2 A WV coffee fern by fern collectors

Pellaea brachyptera (T. Moore) Baker Four sites in Lane Co. motorcycle B WC Sierra cliff brake activity in one

Penstemon procerus Douglas ex Graham var. Known only from historic records in C HC procerus Lane Co.; need to relocate pincushion penstemon

Penstemon rydbergii A. Nelson var. oreocharis One historic site in Lane Co.; need to C WC (Greene) N.H. Holmgren relocate Rydberg's penstemon

Persicaria punctata (Elliott) Small Water weed competition 3 C CZ, WV (= Polygonum punctatum Elliott) dotted knotweed

Phacelia verna Howell Few sites; north end of range 4 C WC spring phacelia

Phoenicaulis cheiranthoides Nutt. No recent record; relocate and C WC daggerpod document

Piperia candida Rand. Morgan & Ackerman Rare in Lane Co.; need more sites 3 C WC white flowered piperia

Piperia elegans (Lindl.) Rydb. ssp. elegans Two forms: coastal and inland; need C CZ, WV elegant rein orchid more site reports

Piperia elongata Rydb. Recently located in Lane Co.; need 3 C WC green flowered piperia more sites

Piperia transversa Suksd. One historic, three recent sites; need C WV, WC Suksdorf's piperia more sites

Pityopus californicus (Eastw.) H.F. Copel. Old growth/mature forest dependent; B CZ, WC pinefoot logging

Plagiobothrys nothofulvus A. Gray Willamette Valley conservation target C WV rusty popcorn flower plant

Platanthera sparsiflora (S. Watson) Schltr. Additional sites have been found C WC sparse flowered bog orchid recently in Lane Co.

Page 13 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Pleuricospora fimbriolata A. Gray Forest management C WC fringed pinesap

Poa chambersii Soreng Few sites; old collections recently 3 C WC Chambers’ bluegass annotated to Poa chambersii Poa howellii Vasey & Scribn. Willamette Valley conservation target C WV, WC Howell’s bluegrass plant; known from two historic records Poa stenantha Trin. var. stenantha Rare in Lane Co.; one site 3 C WC narrow flower bluegrass

Poa suksdorfii (Beal) Vasey ex Piper Known only from historic records 3 C HC Suksdorf's bluegrass

Poa unilateralis Scribn. (ssp. yet to be Expected to occur in Lane Co., but no SOC 2 C CZ determined) county record. ocean bluff bluegrass

Polemonium occidentale Greene Need documentation C HC western polemonium

Polemonium pulcherrimum Hook. ssp. High elevation species; no threats C HC pulcherrimum skunk leaved polemonium, showy polemonium

Polygonum californicum Meisn. Look for more sites. C WC California knotweed Polygonum majus (Meisn. ex Small) Piper Two sites in Lane Co.; need to find C WC wiry knotweed more

Polygonum polygaloides Wall. ex Meisn. ssp. Willamette Valley conservation target C WV confertiflorum (Nutt. ex Piper) J.C. Hickman plant (= Polygonum confertiflorum Nutt.) close flowered knotweed

Polygonum sawatchense Small (= Polygonum Two historic Lane Co. records C WC douglasii (Greene) A. Muray ssp. johnstonii (Munz) J.C. Hickman) Sawatch knotweed

Polypodium calirhiza S.A. Whitmore & A.R. Habitat disturbance; occurs in road 3 C CZ Sm. cuts nested polypody; hotroot polypody

Polystichum californicum (D.C. Eaton) Diels Rare; forest management 2 A WC California sword fern

Polystichum kruckebergii W.H. Wagner Rare; no known threats 4 C HC Kruckeberg's sword fern

Polystichum scopulinum (D.C. Eaton) Maxon Need documentation C HC rock sword fern

Potomogeton praelongus Wulfen One historic site in Lane Co.; need 3 C CZ whitestem pondweed more sites

Potamogeton pusillus L. ssp. tenuissimus (Mert. Two sites in Lane Co., need more 3 C CZ, WC & Koch) R.R. Haynes & Hellq. sites slender pondweed

Potamogeton robbinsii Oakes Rare; water weed competition 3 B CZ Robbins' pondweed

Page 14 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Potentilla villosa Pall. ex Pursh Only one extant site in Oregon 2 A HC villous cinquefoil

Prunus subcordata Benth. Willamette Valley conservation target C WV, WC Klamath plum; western plum plant; need more information

Psilocarphus tenellus Nutt. var. tenellus Willamette Valley conservation target C WV slender woolyheads plant; need more sites

Puccinellia pumila (Vasey) Hitchc. Sensitive habitat; need documentation 3 C CZ dwarf alkaligrass

Pyrola minor L. Known from one historic record C WC lesser wintergreen

Pyrrocoma racemosa (Nutt.) Torr. & A. Gray Habitat loss; W Eugene wetland 2 A WV var. racemosa management racemed goldenweed

Quercus garryana Douglas ex Hook. var. Rare; need more sites C WC breweri (Engelm.) Jeps. Brewer's oak

Ranunculus alismifolius Geyer var. alismellus Known only from historic records; C WC A. Gray need to relocate dwarf plantain leaved buttercup

Ranunculus eschscholtzii Schltdl. var. suksdorfii Two adjacent sites in Lane Co.; need C HC (A. Gray) L.D. Benson documentation and more sites Suksdorf's buttercup

Ranunculus lobbii (Hiern) A. Gray Rare; agency waterfowl managed site B WV Lobb's buttercup

Rhynchospora alba (L.) Vahl Known only from historic records 2 A CZ white beakrush

Ribes divaricatum Douglas var. pubiflorum Known from one historic record 2 A WC Koehne small flowered straggly gooseberry

Ribes laxiflorum Pursh Known from three sites in Lane Co.: 3 C CR coast trailing currant historic and recent; need more sites

Ribes menziesii Pursh Expected to occur in Lane Co., but no C CZ, CR coast prickly fruited gooseberry current record

Ribes triste Pall. One site in Lane Co.; need C WC American red currant documentation

Romanzoffia thompsonii V. Marttala Narrow habitat; many sites, all 1 A WV, WC Thompson's mistmaidens populations small

Rosa nutkana C. Presl var. hispida Fernald Known from only one historic site in C WV bristly Nootka rose Lane Co.; look for it

Rosa spithamea S. Watson Rare in Lane Co.; north end of range C WC ground rose

Rotala ramosior (L.) Koehne One observed occurrence in Lane 2 A WV tooth cup Co., need documentation; Willamette Valley conservation target plant

Page 15 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Rubus pedatus Sm. Few sites in Lane Co.; need more C WC strawberry dwarf bramble, five leaved dwarf sites bramble

Ruppia maritima L. Known only from historic records; C CZ ditch grass last reported in 1977

Sagittaria cuneata E. Sheld. Few sites in Lane Co.; need more C WC, HC arumleaf arrowhead sites

Sagittaria latifolia Willd. Reservoir and roadside management; B CZ,WV wapato; arrowhead boat recreation WC

Salix lemmonii Bebb. Willamette Valley conservation target C WV Lemmon’s willow plant

Salix ligulifolia (C.R. Ball) C.R. Ball ex C.K. One site in Lane Co.; need more sites 3 C HC Schneid. strapleaf willow

Salix prolixa Andersson Willamette Valley conservation target C WV Mackenzie’s willow plant

Sanicula arctopoides Hook. & Arn. Known from one historic site; ORV C CZ footsteps-of-spring and recreation threats; need to relocate; may be extirpated in Lane Co. Sanguisorba officinalis L. Expected to occur in Lane Co., but no C CZ, WC great burnet county record

Saxifraga cespitosa L. Rare in Lane Co., look for more sites C WC tufted alpine saxifrage

Scheuchzeria palustris L. ssp. americana Rare; sensitive habitat 2 A WC (Fernald) Hultén American scheuchzeria

Schoenoplectus subterminalis (Torr.) Soják Water weed competition 2 A CZ (= Scirpus subterminalis Torr.) water bulrush

Scirpus pallidus (Britton) Fernald One site in Lane Co.; roadside 3 C WV pale bulrush maintenance

Scirpus pendulus Muhl. Two sites in Lane Co.; roadside 2 A WV drooping bulrush maintenance

Scrophularia lanceolata Pursh Urban development; exotic invasives B WV lanceleaf figwort competition

Scutellaria lateriflora L. Urban pressure; natural area B WV mad dog skullcap protection; water management

Senecio integerrimus Nutt. var. ochroleucus (A. Historic collections from two C WC Gray) Cronquist adjacent sites in Lane Co. white western groundsel

Sericocarpus oregonensis Nutt. (= Aster Woody species encroachment B WV, WC oregonensis (Nutt.) Cronquist) Oregon white topped aster

Sericocarpus rigidus Lindl. (= Aster curtus Loss of habitat; wetland management SOC LT 1 A WV Cronquist) rigid white topped aster

Page 16 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Sidalcea campestris Greene Road maintenance; number of known C 4 A WV meadow checkermallow sites in Lane Co. increasing

Sidalcea hendersonii S. Watson Salt marsh management; rare globally SOC 1 A CZ Henderson's checkermallow

Sidalcea oregana (Nutt. ex Torr. & A. Gray) A. An historic collection recently C WC Gray ssp. oregana annotated; need more information Oregon checkermallow about ssp. differences

Silene antirrhina L. Few sites, need more C WV, WC sleepy catchfly

Silene bernardina S. Watson var. rigidula (B.L. Two sites in Lane Co., need more C WC Rob.) A. Tiehm sites mountain catchfly

Silene hookeri Nutt. ssp. hookeri Showy; threatened by trampling, B WV, WC Indian pink collection, development, ORVs, succession of woody species and invasives Silene suksdorfii B.L. Rob. Rare high elevation species; no 4 C HC Cascade alpine catchfly known threats

Sisyrinchium hitchcockii Douglass M. Hend. Wetland and park management SOC 1 A WV Hitchcock's blue eyed grass

Sium suave Walter One historic record C CZ hemlock water parsnip

Smelowskia ovalis M.E. Jones Rare high elevation species; no 4 C HC alpine smelowskia known threats

Sparganium natans L. Known from one historic site; recent C WC small burreed sightings need taxanomic verification Sphenosciadium capitellatum A. Gray Rare in Lane Co.; few sites C WC swamp woollyheads

Spiranthes porrifolia Lindl. Rare in Lane Co. B WV, HC western ladies’ tresses

Spiranthes stellata P.M. Brown, L.A. Dueck & Rare in Lane Co. B WC K.M. Cameron starry ladies’ tresses

Stellaria humifusa Rottb. Limited salt marsh habitat; no recent 2-ex A-ex CZ saltmarsh chickweed sightings; assumed extinct

Stephanomeria lactucina A. Gray High elevation species; no threats C WC large flowered wirelettuce

Streptanthus tortuosus Kellogg Need documentation C WC jewelflower

Tricophorum cespitosum (L.) Hartman Elk trampling 3 B WC (=Scirpus cespitosus L.) tufted bulrush

Trichostema oblongum Benth. Forest management C WC downy blue curls

Page 17 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Trientalis europaea ssp. arctica (Fisch. ex Sensitive habitat; park management B CZ, WC Hook.) Hultén (=Trientalis arctica Fisch. ex Hook.) northern starflower

Trifolium ciliolatum Benth. Willamette Valley conservation target C WV, WC tree clover plant; collections over 40 years old; one recent observation Trifolium cyathiferum Lindl. Two sites: one historic and one C WC cup clover recent; need more sites

Trifolium eriocephalum Nutt. ssp. Willamette Valley conservation target C WV, WC eriocephalum plant woolly head clover

Triglochin striata Ruiz & Pav. Limited salt marsh habitat 3 B CZ three ribbed arrowgrass

Triteleia grandiflora Lindl. (= Triteleia Land use; urban growth B WV grandiflora Lindl. ssp. howellii (S. Watson) Hoover Howell's brodiaea

Uropappus lindleyi (DC.) Nutt. (= Microseris Known only from historic records C WV lindleyi (DC.) A. Gray) linearleaf microseris; silver puffs

Utricularia gibba L. Reservoir and park management; 2 A CZ, CR, humped bladderwort roadside maintenance WV

Utricularia intermedia Hayne Sensitive habitat C WC mountain bladderwort

Utricularia minor L. Rare; sensitive habitat 2 A CZ, WC lesser bladderwort

Utricularia ochroleuca R.L. Hartm. Lane County’s rarest Utricularia; 2 A WC buff bladderwort sensitive habitat

Vaccinium oxycoccos L. Loss of habitat; urban development; 4 C CZ wild cranberry park management

Verbena hastata L. Roadside maintenance B WV blue verbena

Viburnum edule (Michx.) Raf. Rare in Lane Co. C WC highbush cranberry

Viola hallii A. Gray Rare in Lane Co. B CR, WV Hall's violet

Viola praemorsa Douglas ex Lindl. ssp. Larval food plant for butterfly B CR, WV, praemorsa thought to be extinct WC upland yellow violet

Wolffia borealis (Englm. ex Hegelm.) Landolt Wastewater and wetland management 2 A WV dotted watermeal

Wolffia columbiana H. Karst. Wastewater and wetland management 2 A WV Columbia watermeal

Woodwardia fimbriata Sm. Rare in Lane Co.; several new sites C WC giant chain fern recently found in the WNF, Middle Fork District

Page 18 Scientific Name Federal State ORBIC EmChap Ecoregion Threat/Comment Common Name Status Status List List Woodsia oregana D.C. Eaton ssp. oregana Rare in Lane Co. C WC, HC Oregon cliff fern

Woodsia scopulina D.C. Eaton Rare in Lane Co. C WC Rocky Mt. cliff fern

Yabea microcarpa (Hook. & Arn.) Koso-Pol. Willamette Valley conservation target C WV, WC western hedge parsley plant

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