Exhibit 6c PNF Special Status Plant List.pdf

Species Scientific Name (Species Common Name)

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General Habitat Description

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Pl an

Allium aaseae (Aase onion) G2 S2 N W LE

Dry, barren, or xeric habitats with steep, unstable rocky slopes, sometimes with red soils. Associated with bitterbrush and sagebrush communities at low elevations. Herbarium records on Forest need verified.

Allium madidum (swamp onion) G3 S3 S S RE Seasonally wet meadows and forest openings between 3800-9500 feet elevation

– blooms early May-June. Known from Adams and Valley counties.

Allium tolmiei var. persimile (Tolmie's onion)

G4G5

/T3 S3 S S LE

Scablands and rocky soils with perched water tables that are seasonally wet.

Between 3000-5000 feet elevation –blooms late May to early July. Western half of PNF.

Allium validum (Tall swamp onion) G4 S3 N W W Swampy meadows, springs, boggy lake edges at mid to high elevations. Known from Cuddy Mountain area on PNF.

Allotropa virgata (candystick) G4 S3 S S D Typically found in deep humus or near decomposing logs. Shaded areas of old growth lodgepole pine around Warren on PNF.

Antennaria arcuata (meadow pussytoes) G3 S1 S W RE

Moist meadows, often on hummocks of sedges and rushes that stay drier than the surrounding areas, or at the edges of these meadows. 1500-2400 m. The wet meadows are usually surrounded by sagebrush grassland communities.

Herbarium record occurrences (1) on Payette NF need to be confirmed.

Astragalus paysonii (Payson's milkvetch) G3 S3 S S RE

Open places in the timber belt, burned-over forests, on decomposed granites, or other open disturbed mountainous sites on silty and ashy soils. On PNF, Salmon River corridor from 4500- 6500 feet mixed forest openings flowers July -August

Astragalus vexilliflexus var. vexilliflexus (bent flowered milkvetch)

G4/T4 S1 N W D Subalpine ridges in subalpine fir and whitebark pine habitat from 7500-8500 feet. Restricted to the Cinnabar Stibnite area on the PNF.

Boechera rollinsiorum G1 S1 N W LE Steep metamorphosed igneous chip rock. Herbarium record occurrences (1) Payette NF need to be confirmed near Yellow Pine.

Botrychium lanceolatum var. lanceolatum (lance-leaf moonwort) G5T4 S3 N W CB

A wide variety of habitats, including wet to moist grassy and rocky slopes, woods, roadsides, and edges of lakes generally at fairly high elevations. Soils tend to be cold and mostly subacid 3500-5500 feet elevation – visible from early July to August – found near Burgdorf on PNF.

Botrychium simplex (Least moonwort) G5 S2 S S CB

A wide variety of habits including meadows, barrens and woods, dry fields, marshes, bogs, swamps, roadside ditches, usually in subacid soils. 3500-5500 feet elevation – visible from early July to August –found near Burgdorf on PNF

Bryoria tortuosa (tortured horsehair lichen) G5 S2 N W D Lichen. Herbarium record occurrences (2) Payette NF need to be confirmed. Both

N of McCall.

Buxbaumia viridis (green bug moss) G4 S3 N W W Moss. Occurs mesic forests form 3500-6500 feet elevation –visible May-August.

Calamagrostis tweedyi (Cascade reedgrass) G3 S2 S S RE Subalpine moist meadows often growing at timber edges between 5000-6500 feet elevation –flowers late June to early August.

Camassia cusickii (Cusick’s camas) G4 S2 S S RE

Occurs ephemeral seeps on steep slopes in bunch grass communities between 1500-3500 feet elevation. Flowers May-June. Restricted to Council-Weiser area along Snake River and foothills on PNF.

Carex aboriginum (Indian Valley sedge)

G1 S1 N W LE

Occurs on well-drained soils of ephemerally moist sites in partial to full sun including stream banks, alluvial terraces, seeps, and springs. Very limited wetlands species found in valley bottoms of Adams/Washington counties – currently not known from PNF. Elevations between 3200-4500 feet. Flowers and visible late May-June

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Carex bipartita [lachenalia] (Arctic hare’s foot sedge)

G5 S1 N W CB

Herbarium record occurrences (1) Payette NF need to be confirmed.

Carex flava (yellow sedge) G5 S3 N W CB

Wet meadow or bog communities near edges of lakes and streams from low to moderate elevations in the mountains. Herbarium record occurrences (6) Payette NF need to be confirmed.

Carex rostrata (pale sedge) G5 S3 N W CB Herbarium record occurrences (5) Payette NF need to be confirmed.

Carex straminiformis (Mt. Shasta sedge) G5 S3 N W RE Herbarium record occurrences (7) Payette NF need to be confirmed.

Castilleja peckiana (Peck’s Indian paintbrush) G3G4 S2 N W RE

Dry areas. Sandy or gravelly soil, open or in pine forest, 4000-7000 feet.

Herbarium record occurrences (2) Payette NF need to be confirmed on W side of

PNF.

Ceanothus prostratus ssp. prostratus (Mahala-mat ceanothus)

G5/T? S1 N W D Dry to mesic Ponderosa and Douglas fir sites, primarily on coarse granitic soils, from mid to high elevations. 3000-4000 feet elevation.

Cirsium brevifolium (Palouse thistle) G3 S2 N W P Herbarium record occurrences (4) Payette NF need to be confirmed. Open grassy areas and grasslands rarely extending into forests or shrublands Crepis bakeri ssp. idahoensis (Idaho hawksbeard)

G4/T2 S1 N W LE

Blue bunch wheatgrass grassland in Snake River Canyon, Mann Creek and Emery Creek and foothills between 2300-4000 feet elevation on PNF -- flowers May- June

Cryptantha celosioides (Cock’s comb cat’’s eye) G5 S3 N W RE Herbarium record occurrences (6) Payette NF need to be confirmed.

Douglasia idahoensis (Idaho dwarf-primrose) G3 S3 S S LE

Subalpine forest with gravelly soils. Currently not found on PNF but plants known from Gold Fork Area on the Boise NF. 3 herbarium records on the Payette that need to be confirmed.

Downingia bacigalupii (Bach’s calicoflower) G4 S2 N W W Moist meadows and vernal pool ecosystems

Draba incerta (Yellowstone draba) G5 S2 N W RE Historic site near Warren in subalpine high elevation terrain between 7900-9500 feet.

Eatonella nivea (White eatonella) G4G5 S3 N W D Sandy soils over basalt scablands; Sagebrush grasslands. Known from Rocky

Comfort Area between 3200-4200 feet in elevation. Flowers May-June Epilobium palustre (Swamp Willow Weed) G5 S3 N W W Wet meadows, stream, and seep areas from Ponderosa pine habitat to subalpine fir from 2800-6200 feet in elevation. Reported from Squaw meadows.

Epipactis gigantea (Giant helleborine orchid) G3G4 S2S3 N W SD Moist areas such as springs, streambanks, seeps and thermal sites between

2800-5300 feet elevation. Isolated populations throughout PNF.

Ericameria nauseosa var.

nana (Dwarf grey rabbitbrush)

G5/T4 S3 N W RE

Blue bunch wheatgrass communities between 4000-5200 feet. Hitt Mountains

Eriogonum elatum var.

elatum (tall wild buckwheat)

G5T3 T5 S3 N W P

Sand or gravel substrates in the mountains or dry foothills, 600 - 3100 m.

Herbarium record occurrences (1) Payette NF need to be confirmed.

Hackelia davisii (Davis' stickseed) G3+ S3 N W LE Restricted to grasslands, talus, and slopes along Main Salmon River & Middle

Fork around 3500 feet in elevation Helodium [Elodium] blandowii (Blandow's helodium)

G5 S2 N W CB

Moss. Wetlands and along streams between 3900-6600 feet elevation in and at edges of conifer forests on the eastside of PNF

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Isoetes minima (midget quillwort) G1G2 S1 N W SD It occurs in spring ephemeral seepages in otherwise dry coniferous forest glades.

Herbarium record occurrences (2) Payette NF need to be confirmed.

Juncus hymiendytus var.

hymiendytus G5/T5 S2 N W SD Damp, open areas, especially vernally wet.

Lewisia sacajaweana (Sacajawea’s bitterroot) G2 S2 S S RE Mostly bare subalpine woodlands and open ridges but also in Ponderosa pine habitat from 4500-6500 feet in elevation – flowers from May-July.

Lianthus [Leptodactylon] pungens ssp. hazeliae (Hazel's prickly phlox)

G5/T2 S2 S S LE

Grows on near vertical rock outcrops and grasslands in Hells Canyon about 3200 feet in elevation and flowers from early May to July

Lobaria scrobiculata (Pored lungwort) G5 S1 N W CB

Trunks of deciduous trees, on moss-covered rocks, and occasionally on conifers, primarily in areas of high relative humidity. It generally occurs in semi-open habitats but protected from wind and direct sun. On PNF, lichen occurring on rocks along the Salmon River between 2000-3000 feet elevation.

Lycopodium [Diphasiastrum] sitchense (Alaskan clubmoss)

G5 S2 N W P Moss.

Meesia triquetra (Three-ranked meesia moss) G5 S1 S W SD Sphagnum fens

Montia parviflora var.

batholithica (batholith springbeauty)

G4 S2 N W LE

Seepy cliffs

Penstemon seorsus (short-lobe beardtongue) G4? S3 N W RE

Mid-elevation rocky, sagebrush and juniper communities. Herbarium record occurrences (3) Payette NF need to be confirmed. Reported from Council Cuprum but not verified

Peraphyllum ramosissimum (Wild crab apple)

G4 S2 N W SD

Sagebrush grasslands and dry slopes from 3200-5000 feet elevation. Found only in Hitt and Sturgill areas on the PNF

Phacelia minutissima (tiny-flower phacelia) G3 S2 N W RE

Moderate elevations in the mountains. Damp ground such as in meadows and along streambanks. Herbarium record occurrences (1) Payette NF need to be confirmed.

Phlox mollis (soft phlox) G2G3 S2S3 N W RE Pilophorus acicularis (Devil’s matchstick lichen) G4 S2 N W SD

Lichen. Grows on rock and decaying wood, in shade and open sites from low to mid-elevation moist forests and road cuts between 2000-4200 feet elevation.

Historical site near Fall Creek on McCall District

Polystichum kruckebergii (Kruckeberg’s Sword-fern) G4 S2 N W RE

High elevation ridgetops and cirques in subalpine fir zone and above between5000-7500 feet elevation. Known from White Rock Peak on South Fork Salmon River

Pyrrocoma radiata (Snake River golden weed) G3 S3 S S RE Steep rocky grasslands restricted to west side of the PNF in grasslands between

2200-3500 feet elevation flowers in late July Ribes sanguineum var.

sanguineum G5 S1 N W RE Montane forests

Ribes wolfii (Wolf’s current) G4 S2 N W D Moist swales and sites in mixed conifer and subalpine forest from 4800-8000 feet typically on eastside of PNF near Enos Lake.

Rubus bartonianus (Bartonberry) G2 S2 S S LE Canyon grass and shrub land in Hells Canyon between 1500-2100 feet elevation.

Flowers in April & May.

Sanicula graveolens (Sierra sanicle) G4G5 S2 N W W Subalpine fir zone in open granitic soils from 5500-7500 feet elevation known from Brundage Mountain area

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General Habitat Description

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Saxifraga [Micranthes] bryophora var. tobiasiae (Tobias' saxifrage)

G2T2 S2 S S LE

Subalpine fir restricted to Granite Mountain and Slab Butte area

Schistostega pennata (Luminous moss) G3G4 S1 N W CB

Occurs on mineral soil in cervices on fallen tree root masses in mixed confer, subalpine fir and spruce zones between 4500-7500 feet on the PNF near Hum Lake

Sedum borschii (Borch's stonecrop) G4? S2 N W SD Rock outcrops from Ponderosa pine zone to subalpine fir from 1500-7500 feet elevation in Adams and Valley counties on the PNF Sedum valens (Salmon River sedum) G1G2 S1S2 N W LE Restricted to rock outcrops and slopes of the Salmon River from Vinegar Creek to about French Creek Sphagnum platyphyllum (flatleaf peatmoss) G5 S1 N W RE Moss. Herbarium record occurrences (3) Payette NF need to be confirmed.

Synthyris platycarpa (Pennell’s kittentail) G3+ S3 N W LE

Habitat is cool, moist, shaded sites in mid-montane forests between 4,000- and 6,600-feet elevation. Its range is strongly associated with occurrence of the grand fir mosaic and specific soil types. Herbarium record occurrences (2) Payette NF need to be confirmed – all historic.

Triantha occidentalis ssp. brevistyla (Short-style tofieldia)

G5/T4 S1 S S D Wet meadows, stream courses and bogs in the subalpine fir zone at elevations from 5000-7000 feet along Warren Wagon Road

Trifolium douglasii (Douglas’ clover) G2 S1 N W RE Moist meadows or prairie remnants, grasslands often along creeks.3400-6500 feet in elevation. Known from areas west of McCall and the Council area Trifolium longipes var.

multipedunculatum (many-stalked clover)

G5T3

T4 S1 N W LE

Isolated montane populations (at about 1800-2700 meters) Herbarium record occurrences (3) Payette NF need to be confirmed.

Table: Federal, State, and Forest Service status of rare plant species with potential or known habitat on the Payette National Forest. 1Global - Global ranking as assigned by Natural Heritage Program and Idaho Native Plant Society. T = Threatened, C = Candidate; 2State - Idaho State ranking, SH = State Historical Occurrence, S1 = State critically imperiled, S2 = State Imperiled; 3Forest Service Status - S = Region 4 Sensitive, W = Forest Watch plants, N = No current status; 4Global Distribution - d =disjunct, le = local endemic (< 100 square miles), re = regional endemic (distribution 100-10,000), sd = sparsely distributed (isolated populations), p = peripheral, w = widespread, cb = circumboreal, circumpolar.