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Silene hookeri

Nutt.

Hooker's Pink

G4Apparently Secure Found in 13 roadless areas NatureServe Explorer →

G4Apparently SecureGlobal Rank

MediumThreat Impact

Identity

Unique IDELEMENT_GLOBAL.2.1219120

Element CodePDCAR0U2M0

Record TypeSPECIES

ClassificationSpecies

Classification StatusStandard

Name CategoryVascular Plant

Endemicendemic to a single nation

KingdomPlantae

PhylumAnthophyta

ClassDicotyledoneae

OrderCaryophyllales

FamilyCaryophyllaceae

GenusSilene

Concept Reference

Mesler, M.R., M.S. Mayer, and S.K. Carothers. 2019. Silene nelsonii, a new large-flowered species from the Trinity River area of northwestern California, USA, and a re-evaluation of S. bolanderi Gray. Madroño 66(4); 176-193.

Taxonomic Comments

This concept of Silene hookeri follows Mesler et al. (2019) who did not recognize S. hookeri ssp. pulverulenta as distinct, and separately recognize S. bolanderi, S. serpentinicola, S. salmonacea, and S. nelsonii as species. This treatment is narrower than that in Flora of North America Editorial Committee (2005) because Flora of North America Editorial Committee (2005) was published before S. salmonacea and S. nelsonii were described.

Conservation Status

Rank Method Rank calculation - Biotics v2

Review Date2021-10-27

Change Date2021-10-27

Edition Date2021-11-19

Edition AuthorsTomaino, A. (2021)

Threat ImpactMedium

Range Extent20,000-200,000 square km (about 8000-80,000 square miles)

Number of Occurrences21 - 300

Rank Reasons

Silene hookeri is known only from northwestern California and western Oregon. Potential threats include logging and vegetation/fuels management.

Range Extent Comments

Silene hookeri ranges from northwestern California (Mendocino County through Humboldt, Trinity, Del Norte, and Siskiyou counties) into western Oregon (Mesler et al. 2019).

Occurrences Comments

In California, Silene hookeri is known from 19 scattered extant locations (Mesler et al. 2019). It is not considered rare in Oregon (Mesler et al. 2019, NatureServe 2021).

Threat Impact Comments

Threasts include logging and vegetation/fuels management (CNPS 2021). The percentage of occurrences threatened is estimated to be 20-80% (Mesler et al. 2019).

Ecology & Habitat

Habitat

Silene hookeri occurs in grassy openings or sometimes on rocky slopes in chaparral, cismontane woodland, and lower montane coniferous forest (CNPS 2021).

Terrestrial Habitats

Forest/WoodlandForest - ConiferWoodland - ConiferShrubland/chaparral

Other Nations (1)

United StatesN4

Province	Rank	Native
California	S2	Yes
Oregon	SNR	Yes

Threat Assessments

Threat	Scope	Severity	Timing
5 - Biological resource use	Large (31-70%)	Moderate or 11-30% pop. decline	—
5.3 - Logging & wood harvesting	Large (31-70%)	Moderate or 11-30% pop. decline	—
7 - Natural system modifications	Restricted (11-30%)	Moderate or 11-30% pop. decline	—
7.1 - Fire & fire suppression	Restricted (11-30%)	Moderate or 11-30% pop. decline	—

Plant Characteristics

DurationPERENNIAL

Economic Value (Genus)Yes

Roadless Areas (13)

California (11)

Area	Forest	Acres
Chinquapin	Shasta-Trinity National Forest	22,040
Johnson	Klamath National Forest	10,652
Kangaroo	Klamath National Forest	40,617
North Fork Smith	Six Rivers National Forest	37,898
Orleans Mtn. B	Six Rivers National Forest	17,183
Portuguese	Klamath National Forest	18,915
Siskiyou	Klamath National Forest	54,039
Siskiyou B	Six Rivers National Forest	18,871
Solider	Six Rivers National Forest	14,918
South Fork	Shasta-Trinity National Forest	16,786
Ukonom Creek	Klamath National Forest	4,621

Oregon (2)

Area	Forest	Acres
North Kalmiopsis	Siskiyou National Forests	91,560
South Kalmiopsis	Siskiyou National Forests	104,477

References (5)

California Native Plant Society (CNPS), Rare Plant Program. 2021. Inventory of Rare and Endangered Plants of California, online edition, v9-01 0.0. Online. Available: www.rareplants.cnps.org (accessed 2021).
Flora of North America Editorial Committee (FNA). 2005. Flora of North America north of Mexico. Vol. 5. Magnoliophyta: Caryophyllidae: Caryophyllales, Polygonales, and Plumbaginales. Oxford Univ. Press, New York. vii + 656 pp.
Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Mesler, M.R., M.S. Mayer, and S.K. Carothers. 2019. <i>Silene nelsonii</i>, a new large-flowered species from the Trinity River area of northwestern California, USA, and a re-evaluation of <i>S. bolanderi </i>Gray. Madroño 66(4); 176-193.
NatureServe. 2021. NatureServe Network Biodiversity Location Data. NatureServe, Arlington, Virginia.

Silene hookeri

Habitat

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