Helodium Blandowii
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SPECIES: Scientific [common] Helodium blandowii (Blandow’s Helodium) Forest: Salmon-Challis National Forest Forest Reviewer: Brittni Brown and Rose Lehman; John Proctor Date of Review: 3 February 2018; 30 March 2018 Forest concurrence (or NO recommendation if new) for inclusion of species on list of potential SCC: (Enter Yes or No) FOREST REVIEW RESULTS: 1. The Forest concurs or recommends the species for inclusion on the list of potential SCC: Yes___ No_X__ 2. Rationale for not concurring is based on (check all that apply): Species is not native to the plan area _______ Species is not known to occur in the plan area _______ Species persistence in the plan area is not of substantial concern ___X____ FOREST REVIEW INFORMATION: 1. Is the Species Native to the Plan Area? Yes_X__ No___ If no, provide explanation and stop assessment. 2. Is the Species Known to Occur within the Planning Area? Yes_X__ No___ If no, stop assessment. Table 1. All Known Occurrences, Years, and Frequency within the Planning Area Year Number of Location of Observations (USFS Source of Information Observed Individuals District, Town, River, Road Intersection, HUC, etc.) 1973 N/A- Bear Valley Creek RNA, EO_ID: 3585, old EO_ID: 9681 occurred approximately 12.5 miles SW of EO Number 2 in Lemhi. Access via FS Trail 179; macroplot stream terrace on S side of creek 1995 N/A Ayers Meadow Survey Site, EO_ID 829, old EO_ID 2632 approximately 2 miles NE of EO Number 7 Poker Meadows Campground Frank Church River of No Return Wilderness 1995 N/A Corduroy Meadows Survey Site, EO_ID 1609, old EO_ID 7149 approximately 3 miles N of Elk EO Number 8 Creek Campground Frank Church River of No Return Wilderness a. Are all Species Occurrences Only Accidental or Transient? Yes___ No_X__ If yes, document source for determination and stop assessment. b. For species with known occurrences on the Forest since 1990, based on the number of observations and/or year of last observation, can the species be presumed to be established or becoming established in the plan area? Yes_X__ No___ If no, provide explanation and stop assessment c. For species with known occurrences on the Forest predating 1990, does the weight of evidence suggest the species still occurs in the plan area? Yes_X__ No___ Provide explanation for determination: N/A. Occurrences have been documented since 1990. If determination is no, stop assessment d. There are currently no existing range maps for Blandow’s helodium (Helodium blandowii) in Idaho or Montana. The USDA PLANTS database did not display any Natural Resource Information System (NRCS) data or maps of the species. e. Map 1, Blandow’s Helodium occurrences on the Salmon–Challis National Forest (IDFG. 2017a. Idaho Fish and Wildlife Information System, Species Diversity Database, Idaho Natural Heritage Data. Accessed on February 27, 2017.) 3. Is There Substantial Concern for the Species’ Capability to persist Over the Long-term in the Plan Area Based on Best Available Scientific Information? Table 2. Status summary based on existing conservation assessments Entity Status/Rank (include definition if Other) Global Rank G5 — Secure (Common; widespread and abundant)1 State Rank S2 — Imperiled (At high risk of extinction due to very restricted range, very few populations [often 20 or fewer], steep declines, or other factors)1 USDA Forest Region 1: Not listed2 Service Region 4: Not listed3 USDI FWS Not listed as a candidate species4 Other Idaho Native Plant Society: 2016 – on list, not yet ranked5; 2011 – State Sensitive (Taxa with small populations or localized distributions within Idaho that presently do not meet the criteria for classification as Priority 1 or 2, but whose populations and habitats may be jeopardized without active management or removal of threats) BLM: Not listed7 1. Idaho Natural Heritage Program. 2016. IDNHP Tracked Plant Species 2016. On file. Accessed January 12, 2018 2. USFS Region 1. 2011. 2011 Sensitive Species List Idaho and Montana. Website: http://fsweb.r1.fs.fed.us/wildlife/wwfrp/TESnew.htm. Accessed January 10, 2017. 3. USFS Region 4. 2016. Proposed, Endangered, Threatened, and Sensitive Species List. On file. Accessed January 11, 2017. 4. USFWS. 2017. Candidate species believed to or known to occur in Idaho. Website: https://ecos.fws.gov/ecp0/reports/species-listed-by-state-report?state=ID&status=candidate. Accessed January 12, 2018. 5. Idaho Native Plant Society. 2016. INPS Rare Plant List May 2016. https://idahonativeplants.org/rare-plants-list/ Accessed January 10, 2018. 6. Idaho Native Plant Society. 2011. Results of the twenty-fifth Idaho Rare Plant Conference – The Idaho Native Plant Society rare plant list. Website: https://idahonativeplants.org/rpc/pdf/2011_Results_IRPC_v2.2.pdf. Accessed on January 11, 2018. 7. BLM. 2016. Bureau of Land Management Idaho Special Status Plants List Aug 2016. On file. Accessed 15 January, 2018. Table 3. Status summary based on best available scientific information. Species (Scientific and Common Name): Helodium blandowii (Blandow’s Helodium) Criteria Rank Rationale Literature Citations 1 A1 There are three EOs recorded of Helodium blandowii on the Salmon- Idaho Department of Fish and Game Distribution on Challis National Forest. There is one recording in 1973 south of Salmon in (IDFG) GIS 2017. GIS data obtained by Salmon-Challis the Forest, and 2 occurrences in 1995 on the western border of the the Forest Service of species National Forest Forest (see Map 1). Since both populations and habitats on the Forest are occurrences within the Salmon Challis scarce (see Criterion 6), this species is ranked A1. National Forest and may include data from the Idaho Natural Heritage data. (EO: 2,7,8) Confidence in Rank: High, Medium, or Low 2 C The Helodium blandowii is circumpolar and found throughout the Frahm, J. P. (2012). The Distribution in northern hemisphere in higher latitudes, including North America, phytogeography of European surrounding Greenland, and northern Europe. It is a glacial relict, meaning it is a bryophytes. Botanica Serbica, 36(1): geographic area boreal species that survived in the postglacial period in nonboreal 23-36. habitats (Frahm 2012). H. blandowii has been noted as widespread and Idaho Department of Fish and Game abundant in northern Europe as far south as the 44th Parallel (the same (IDFG) GIS 2017. GIS data obtained by latitude as southern Idaho) (Hugonnot and Celle 2015). the Forest Service of species occurrences within the Salmon Challis In the United States, the species can be found in Idaho, California (S2), National Forest and may include data Indiana (SNR), Michigan (SNR), Montana (SNR), New York (SNR), Oregon from the Idaho Natural Heritage data. (S2), Vermont (S3), Washington (S1), Wisconsin (S4), and Wyoming (SNR). The species is also found throughout Canada (NatureServe 2017). Within NatureServe. 2017. "Comprehensive Idaho, the species can be found on the Salmon-Challis National Forest, Report Species - Helodium blandowii." Nez Perce National Forest, Sawtooth National Forest, Payette National Results Detailed Report. Forest, Boise National Forest, and on private land (documented in EO http://explorer.natureserve.org/servle Records). Since the species is widespread outside of the Salmon-Challis t/NatureServe?searchName=Helodium %2Bblandowii. Accessed on National Forest, this criterion is ranked C. September 1, 2017. Confidence in Rank: High, Medium, or Low Hugonnot, V., and J. Celle. 2015. "Helodium blandowii (F. Weber & D. Mohr) Warnst at the southwestern limit of its range in the Pyrenees and the Massif Central (France)." Nova Hedwigia 100, no. 3-4: 479-86. doi:10.1127/nova_hedwigia/2014/023 7. 3 B Helodium blandowii is able to disperse through suitable habitat through Caners, R. T., Macdonald, S. E., & Dispersal wind-blown spores, though spores may travel long distances (Hugonnot Belland, R. J. 2009. Recolonization Capability and Celle 2015). While Helodium blandowii has good regeneration potential of bryophyte diaspore banks capabilities, regeneration following dispersal may be highly problematical in harvested boreal mixed-wood because the species is desiccation-intolerant (Hugonnot and Celle 2015). forest. Plant ecology, 204(1), 55-68. While Helodium typically exist in hygric conditions, its spores have been Hugonnot, V., and J. Celle. 2015. documented to persist in relatively dry soils, indicating effective dispersal "Helodium blandowii (F. Weber & D. capabilities and/or prolonged viability in the diaspore bank (Caners et al. Mohr) Warnst at the southwestern 2009). Where quality habitat exists, Helodium may be found in patches of limit of its range in the Pyrenees and high abundance and is likely that dispersal capabilities are good under the Massif Central (France)." Nova these conditions (Hugonnot and Celle 2015). Since the species likely Hedwigia 100, no. 3-4: 479-86. successfully disperses only through suitable habitat, this criterion is doi:10.1127/nova_hedwigia/2014/023 ranked B. 7. Confidence in Rank: High, Medium, or Low 4 D Abundance information is not known for the Helodium blandowii on the Abundance on the Salmon-Challis National Forest. Three individual populations have been Salmon-Challis observed with no note on abundance (Rank D). National Forest Confidence in Rank: High, Medium, or Low 5 D Occurrences recorded on the Forest provide no basis for population Population Trend estimates. Populations have not been monitored consistently on SCNF on the Salmon- and no data is available that would provide population trends (Rank D). Challis National Forest Confidence in Rank: High, Medium, or Low 6 C The species is known to occur in wet meadows, bogs, and fens with peat Google Earth. 2017. Salmon–Challis Habitat Trend on and/or rich organic soils where it forms mats and small hummocks. Often National Forest. Internet website: the Salmon-Challis times, it is found beneath sedges and shrubs around fen edges. It is https://www.google.com/earth/. National Forest associated with calcareous groundwater (USFS 2009), and is known to Accessed on October 3, 2017.