| 0 | Lichen-Based Critical Loads for Deposition of Nitrogen and Sulfur in US Forests | Linda Geiser; Heather Root; Robert Smith; Sarah Jovan; Larry St. Clair; Karen Dillman | 2021 | climate resilience; ecological thresholds; epiphytes | National | Regular |
| 1 | National Atlas of Epiphytic Lichens in Forested Habitats of the United States | Sarah Jovan; Michael Haldeman; Susan Will-Wolf; Karen Dillman; Linda Geiser; Joel Thompson; Daphne Stone; Jason Hollinger | 2021 | air pollution; air quality; bioindicators; biomonitoring; climate change; inventory | National | Regular |
| 2 | Lichen Elemental Indicators for Air Pollution in Eastern United States Forests: A Pilot Study in the Upper Midwest | Susan Will-Wolf; Sarah Jovan; Michael Amacher; Paul Patterson | 2020 | element; forest health; land cover; indicator; metals; nitrogen; sulfur | National | Regular |
| 3 | User Guide For The National Forest Inventory And Analysis Lichen Database (Version 1.0) | Sarah Jovan; Susan Will-Wolf; Linda Geiser; Karen Dillman; Michael Haldeman; Rick Shory | 2020 | air pollution; bioindicators; biomonitoring; climate change; Forest Health Monitoring program | National | Regular |
| 4 | Assessing Ecological Risks from Atmospheric Deposition of Nitrogen and Sulfur to US Forests Using Epiphytic Macrolichens | Linda Geiser; Peter Nelson; Sarah Jovan; Heather Root; Christopher Clark | 2019 | critical loads; air pollution; environmental assessment; climate; biodiversity; conservation | National | Regular |
| 5 | Conditional Vulnerability of Plant Diversity to Atmospheric Nitrogen Deposition Across the United States | Samuel Simkina; Edith Allen; William Bowman; Christopher Clark; Jayne Belnap; Matthew Brooks; Brian Cade; Scott Collins; Linda Geiser; Frank Gilliam; Sarah Jovan; Linda Pardo; Bethany Schulz; Carly Stevens; Katharine Suding; Heather Throop; Donald Waller | 2016 | climate | National | Regular |
| 6 | A Simple Tool for Estimating Throughfall Nitrogen Deposition in Forests of Western North America Using Lichens | Heather Root; Linda Geiser; Mark Fenn; Sarah Jovan; Martin Hutten; Suraj Ahuja; Karen Dillman; David Schirokauer; Shanti Berryman; Jill McMurray | 2013 | air pollution; critical loads | National | Regular |
| 7 | Eutrophic Lichens Respond to Multiple Forms Of N: Implications for Critical Levels and Critical Loads Research | Sarah Jovan; Jennifer Riddell; Pamela Padgett; Thomas Nash III | 2012 | ammonium; bioindicators; nitrogen; deposition | National | Regular |
| 8 | Effects Of Nitrogen Deposition and Empirical Nitrogen Critical Loads for Ecoregions of The United States | Linda Pardo; Mark Fenn; Christine Goodale; Linda Geiser; Charles Driscoll; Edith Allen; Jill Baron; Roland Bobbink; William Bowman; Christopher Clark; Bridget Emmett; Frank Gilliam; Tara Greaver; Sharon Hall; Erik Lilleskov; Lingli Liu; Jason Lynch; Knute Nadelhoffer; Steven Perakis; Molly Robin-Abbott; John Stoddard; Kathleen Weathers; Robin Dennis | 2011 | air pollution | National | Regular |
| 9 | Status And Future Of The Forest Health Indicators Program Of The USA | Christopher Woodall; Michael Amacher; William Bechtold; John Coulston; Sarah Jovan; Charles Perry; KaDonna Randolph; Beth Schulz; Gretchen Smith; Susan Will-Wolf | 2011 | forest inventory; forest health monitoring | National | Regular |
| 10 | Analyzing Lichen Indicator Data In The Forest Inventory And Analysis Program | Susan Will-Wolf | 2010 | air quality; biodiversity; climate; environmental monitoring; forest health; pollution | National | Regular |
| 11 | Status And Future of The Forest Health Indicators Program of the USA | Christopher William Woodall; Michael Amacher; William Bechtold; John Coulston; Sarah Jovan; Charles Perry; KaDonna Randolph; Beth Schulz; Gretchen Smith; Borys Tkacz; Susan Will-Wolf | 2010 | bioindicator | National | Regular |
| 12 | Lichens, Ozone, And Forest Health - Exploring Cross-Indicator Analyses with FIA Data | Susan Will-Wolf; Sarah Jovan | 2008 | air pollution; bioindicators | National | Regular |
| 14 | Forest Lichen Communities and Environment – How Consistent Are Relationships Across Scales? | Susan Will-Wolf; Linda Geiser; Peter Neitlich; Anne Reis | 2006 | air pollution; climate | National | Regular |
| 15 | The Evolving Role of Lichens in Air Quality Protection on Public Lands | Linda Geiser | 2006 | biomonitoring; air pollution | National | Regular |
| 16 | Manual for Monitoring Air Quality Using Lichens on National Forests of the Pacific Northwest | Linda Geiser | 2004 | nitrogen; sulfur; metals; air pollution; baseline data | National | Regular |
| 17 | Air Pollution-Related Lichen Monitoring in National Parks, Forests, and Refuges: Guidelines for Studies Intended for Regulatory and Management Purposes | Tamara Blett; Linda Geiser; Ellen Porter | 2003 | AQRVs | National | Regular |
| 18 | Ecological Effects of Nitrogen Deposition in The Western United States | Mark Fenn; Jill Baron; Edith Allen; Heather Rueth; Koren Nydick; Linda Geiser; William Bowman; James Sickman; Thomas Meixner; Dale Johnson; Peter Neitlich | 2003 | fertilization | National | Regular |
| 19 | Air Resource Monitoring System (ARMS) Data Set Listing | Steve Boutcher | 1997 | reference | National | Regular |
| 20 | Epiphytic Lichen Indication of Nitrogen Deposition and Climate in The Northern Rocky Mountains, USA | Jill McMurray; David Roberts; Linda Geiser | 2014 | air pollution; fertilization | Northern | Regular |
| 21 | Lichen Communities Indicator Results from Idaho: Baseline Sampling | Peter Neitlich; Paul Rogers; Roger Rosentreter | 2003 | lichen diversity; bioindicator | Northern | Regular |
| 22 | Moss And Liverwort Species Collected on The Salmon and Challis, Payette, Nez Perce and Boise National Forests | Gary Jackson; Clay Newberry | 1997 | species identification | Northern | Regular |
| 23 | Establishment of a Lichen Biomonitoring Program and Air Quality Baseline in and Near the Selway-Bitterroot Wilderness Area (Final Report) | Larry St. Clair; Clayton Newberry | 1995 | lichen baseline data; air pollution | Northern | Regular |
| 24 | Establishment of a Lichen Biomonitoring Program and Air Quality Baseline in the Anaconda-Pintler Wilderness Area and Adjacent Areas West of the Anaconda Copper Smelter (Final Report) | Larry St. Clair; Clayton Newberry | 1994 | baseline data; air pollution | Northern | Regular |
| 25 | Establishment of a Lichen Biomonitoring Program and Air Quality Baseline in the Cabinet Mountains Wilderness Area (Final Report) | Larry St. Clair; Clayton Newberry | 1994 | air pollution; lichen baseline data | Northern | Regular |
| 26 | Epiphytic Macrolichen Communities Indicate Climate and Air Quality in The U.S. Midwest | Robert Smith; Sarah Jovan; Daniel Stanton; Susan Will-Wolf | 2020 | community composition; diversity; global changes; indicator species | Northern | Journal |
| 27 | Using Epiphytic Lichens to Monitor Nitrogen Deposition Near Natural Gas Drilling Operations in The Wind River Range, WY, USA | Jill McMurray; Dave Roberts; Mark Fenn; Linda Geiser; Sarah Jovan | 2013 | critical loads; wilderness areas | Rocky | Regular |
| 28 | Establishment of a Lichen Biomonitoring Program and Baseline in the San Juan and Rio Grande National Forests, Colorado (Final Report) | Larry St. Clair | 1999 | bioindicators | Rocky | Regular |
| 29 | FHM Lichen Community Results from Wyoming, 1997: A Preliminary Summary | Peter Neitlich; Linda Hasselbach; Susan Szewczak; Paul Rogers | 1999 | air pollution | Rocky | Regular |
| 30 | Lichen Communities for Forest Health Monitoring in Colorado, USA | Bruce McCune; Paul Rogers; Andrea Ruchty; Bruce Ryan | 1998 | lichen diversity; lichen baseline data | Rocky | Regular |
| 31 | Lichens as Bioindicators and Monitors of Air Pollution in the Flat Tops Wilderness Area, Colorado | Mason Hale, Jr. | 1982 | biomonitoring | Rocky | Regular |
| 32 | Epiphytic Macrolichen Communities Indicate Climate and Air Quality in The U.S. Midwest | Robert Smith; Sarah Jovan; Daniel Stanton; Susan Will-Wolf | 2020 | community composition; diversity; global changes; indicator species | Rocky | Journal |
| 33 | Lichen Bioindicators of Nitrogen and Sulfur Deposition in Dry Forests of Utah And New Mexico, USA | Heather Root; Sarah Jovan; Mark Fenn; Michael Amacher; Josh Hall; John Shaw | 2021 | energy development; throughfall; ion exchange resin samplers | Southwestern | Regular |
| 34 | Field Review of the Lichen Air Quality Bio-Monitoring Program and Baseline at Selected Sites in the Gila Wilderness Area, Gila National Forest, New Mexico | Larry St. Clair; Steven Leavitt | 2014 | air pollution | Southwestern | Regular |
| 35 | Establishment of a Lichen Air Quality Biomonitoring Program and Baseline for Selected Sites in the Gila Wilderness Area, Gila National Forest, New Mexico (Final Report) | Larry St. Clair; Kim Anderson | 1998 | air pollution; lichen baseline data | Southwestern | Regular |
| 36 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Galiuro Wilderness Area | Larry St. Clair; Clayton Newberry | 1991 | air pollution; lichen baseline data | Southwestern | Regular |
| 37 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Chiricahua Wilderness Area | Larry St. Clair | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 38 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Pine Mountain Wilderness Area | Larry St. Clair | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 39 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Sycamore Canyon Wilderness Area | Larry St. Clair | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 40 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Mazatzal Wilderness Area | Larry St. Clair; Clayton Newberry | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 41 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Sierra Ancha Wilderness Area | Larry St. Clair; Clayton Newberry | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 42 | Preliminary Lichen Biomonitoring Program and Air Quality Baseline in Selected Class I Wilderness Areas of Coronado, Coconino, Kaibab, Prescott and Tonto National Forests, Arizona: Final Report, Superstition Wilderness Area | Larry St. Clair; Clayton Newberry | 1991 | air pollution; lichen elemental analysis | Southwestern | Regular |
| 43 | Lichens and Air Quality in the Mt. Baldy Wilderness Area | Bruce Ryan; Thomas Nash III; William Davis | 1990 | biomonitoring; air pollution | Southwestern | Regular |
| 44 | Lichen Bioindicators of Nitrogen and Sulfur Deposition in Dry Forests of Utah And New Mexico, USA | Heather Root; Sarah Jovan; Mark Fenn; Michael Amacher; Josh Hall; John Shaw | 2021 | energy development; throughfall; ion exchange resin samplers | Intermountain | Regular |
| 45 | Using Epiphytic Lichens to Monitor Nitrogen Deposition Near Natural Gas Drilling Operations in The Wind River Range, WY, USA | Jill McMurray; Dave Roberts; Mark Fenn; Linda Geiser; Sarah Jovan | 2013 | critical loads; wilderness areas | Intermountain | Regular |
| 46 | Aspen Succession and Nitrogen Loading: A Case for Epiphytic Lichens as Bioindicators in The Rocky Mountains, USA | Paul Rogers; Kori Moore; Ronald Ryel | 2009 | community analysis; ammonium; biomonitoring | Intermountain | Regular |
| 47 | Evidence of Enhanced Atmospheric Ammoniacal Nitrogen in Hells Canyon National Recreation Area: Implications for Natural and Cultural Resources | Linda Geiser; Anne Ingersoll; Andrzej Bytnerowicz; Scott Copeland | 2008 | agriculture; fertilization; air pollution; cultural resources | Intermountain | Regular |
| 48 | Factors Influencing Epiphytic Lichen Communities in Aspen-Associated Forests of The Bear River Range, Idaho and Utah | Paul Rogers | 2007 | air pollution; lichen diversity; forest | Intermountain | Regular |
| 49 | Establishment of a Lichen Air Quality Biomonitoring Program and Baseline for Selected Sites in the Manti La Sal National Forest, Utah | Larry St. Clair | 2000 | lichen elemental analysis; sulfur | Intermountain | Regular |
| 50 | The Re-Inventory of the Lichen Biomonitoring Program and Baseline for Selected Sites in the Bridger Wilderness Area, Bridger-Teton National Forest, Wyoming (Final Report) | Larry St. Clair; Lyndon Porter | 2000 | lichen elemental analysis | Intermountain | Regular |
| 51 | Establishment of a Lichen Biomonitoring Program and Baseline at Selected Sites in the Uinta National Forest (Final Report) | Larry St. Clair; Kim Anderson | 1996 | lichen baseline data; lichen elemental analysis | Intermountain | Regular |
| 52 | Establishment of a Lichen Biomonitoring Program and Baseline at Selected Sites in the High Uintas Wilderness Area, Wasatch-Cache National Forest, Utah | Larry St. Clair; Clayton Newberry | 1994 | lichen baseline data; lichen elemental analysis | Intermountain | Regular |
| 53 | Assessment of Atmospheric Nitrogen And Sulfur Deposition Critical Loads for Aquatic And Terrestrial Resources On National Forest System Lands In The Intermountain Region | Jill McMurray; Todd McDonnell; Ann Mebane; Linda Pardo | 2021 | air quality; risk; eutrophication; acidification; air pollution; forest planning; forest management | Intermountain | Regular |
| 54 | Challenges Characterizing N Deposition to High Elevation Protected Areas: A Case Study Integrating Instrument, Simulated, And Lichen Inventory Datasets for The Devils Postpile National Monument and Surrounding Region, USA | Sarah Jovan; Mark Fenn; Monica Buhler; Andrzej Bytnerowicz; Adrienne Kovasi; Martin Hutten; Elisa DiMeglio; Donald Schweizer | 2021 | epiphytic lichens; saxicolous lichens; Sierra Nevada Range; critical loads; class 1 | Pacific Southwest | Regular |
| 55 | Tracking Lichen Community Composition Changes Due to Declining Air Quality Over the Last Century: The Nash Legacy in Southern California | Jennifer Riddell; Sarah Jovan; Pamela Padgett; Ken Sweat | 2011 | air pollution; nitrogen; ozone | Pacific Southwest | Regular |
| 56 | Nitrogen Critical Loads and Management Alternatives For N-Impacted Ecosystems in California | M.E. Fenn; E.B. Allen; S.B. Weiss; S. Jovan; L.H. Geiser; G.S. Tonnesen; R.F. Johnson; L.E. Rao; B.S. Gimeno; F. Yuan; T. Meixner; A. Bytnerowicz | 2010 | fertilization; forest | Pacific Southwest | Regular |
| 57 | Empirical And Simulated Critical Loads for Nitrogen Deposition in California Mixed Conifer Forests | M.E. Fenn; S. Jovan; F. Yuan; L. Geiser; T. Meixner; B.S. Gimeno | 2008 | biomonitoring | Pacific Southwest | Regular |
| 58 | Lichen Bioindication of Biodiversity, Air Quality, And Climate: Baseline Results from Monitoring in Washington, Oregon, And California | Sarah Jovan | 2008 | air pollution; biomonitoring; forest; bioindicator | Pacific Southwest | Regular |
| 59 | Nitrogen Content of Letharia Vulpina Tissue from Forests of The Sierra Nevada, California | Sarah Jovan; Tom Carlberg | 2006 | air pollution; ammonium; agriculture; biomonitoring | Pacific Southwest | Regular |
| 60 | Air-Quality Bioindication in The Greater Central Valley of California, With Epiphytic Macrolichen Communities | Sarah Jovan; Bruce McCune | 2005 | air pollution; ammonium; community analysis; gradients; nitrogen; ozone; sulfur | Pacific Southwest | Regular |
| 61 | Using Epiphytic Macrolichen Communities for Biomonitoring Ammonia in Forests of The Greater Sierra Nevada, California | Sarah Jovan; Bruce McCune | 2005 | air pollution; ammonium | Pacific Southwest | Regular |
| 62 | Regional Variation in Epiphytic Macrolichen Communities in Northern and Central California Forests | Sarah Jovan; Bruce McCune | 2004 | air pollution; gradients | Pacific Southwest | Regular |
| 63 | Lichens and Air Quality in the Agua Tibia Wilderness, California: A Baseline Study | Bruce Ryan | 1990 | coast; air pollution; lichen checklist | Pacific Southwest | Regular |
| 64 | Literature Cited | Bruce Ryan | 1990 | lichen checklist; air pollution | Pacific Southwest | Regular |
| 65 | Lichens And Air Quality in Wilderness Areas in California: A Series of Baseline Studies | Bruce Ryan | 1990 | biomonitoring; air pollution | Pacific Southwest | Regular |
| 66 | Lichens and Air Pollution in the San Gabriel Wilderness, Angeles National Forest, California | Maile Neel | 1988 | sulfur; AQRVs | Pacific Southwest | Regular |
| 67 | Epiphytic Macrolichen Indication of Air Quality and Climate in Interior Forested Mountains of The Pacific Northwest | Heather Root; Linda Geiser; Sarah Jovan; Peter Neitlich | 2015 | air pollution; biomonitoring; climate; nitrogen; deposition | Pacific Northwest | Regular |
| 68 | Lichen-Based Critical Loads for Atmospheric Nitrogen Deposition in Western Oregon and Washington Forests, USA | Linda Geiser; Sarah Jovan; Doug Glavich; Matthew Porter | 2010 | air pollution | Pacific Northwest | Regular |
| 69 | Changes In Forage Lichen Biomass After Insect Outbreaks and Fuel Reduction Treatment in The Blue Mountains, Oregon | Bruce McCune; Sarah Jovan; Amanda Hardman | 2008 | forest; fire | Pacific Northwest | Regular |
| 70 | Lichen Bioindication of Biodiversity, Air Quality, And Climate: Baseline Results from Monitoring in Washington, Oregon, And California | Sarah Jovan | 2008 | air pollution; biomonitoring; forest; bioindicator | Pacific Northwest | Regular |
| 71 | Air Pollution and Climate Gradients in Western Oregon and Washington Indicated by Epiphytic Macrolichens | Linda Geiser; Peter Neitlich | 2006 | lichen diversity | Pacific Northwest | Regular |
| 72 | Natural History and Management Considerations for Northwest Forest Plan Survey and Manage Lichens | Robin Lesher; Chiska Derr; Linda Geiser | 2003 | lichen checklist | Pacific Northwest | Regular |
| 73 | A Review of Lichen and Bryophyte Elemental Content Literature with Reference to Pacific Northwest Species | Fred Rhoades | 1999 | biomonitoring; lichen elemental analysis | Pacific Northwest | Regular |
| 74 | Glacier Peak Wilderness Area Lichen Biomonitoring Study | Bruce Ryan | 1995 | lichen baseline data; ozone; heavy metals | Pacific Northwest | Regular |
| 75 | Lichen Biomonitoring in Southeast Alaska and Western Oregon | Chiska Derr | 1994 | lichen elemental analysis | Pacific Northwest | Regular |
| 76 | Guidelines For Evaluating Air Pollution Impacts on Class I Wilderness Areas in The Pacific Northwest | Janice Peterson; Daniel Schmoldt; David Peterson; Joseph Eilers; Richard Fisher; Robert Bachman | 1992 | visibility | Pacific Northwest | Regular |
| 77 | A Guide to Air Quality Monitoring with Lichens | William Denison | 1973 | air pollution; biomonitoring; bioindicator | Pacific Northwest | Regular |
| 78 | Rare Epiphytic Coastal Lichen Habitats, Modeling, And Management in The Pacific Northwest | Doug Glavich; Linda Geiser; Alexander Mikuli | 2005 | conservation; climate | Pacific Northwest | Journal |
| 79 | The Distribution of Some Rare Coastal Lichens in The Pacific Northwest and Their Association with Late-Seral and Federally-Protected Forests | Doug Glavich; Linda Geiser; Alexander Mikulin | 2004 | conservation | Pacific Northwest | Journal |
| 80 | Atmospheric Deposition Inputs and Effects on Lichen Chemistry And Indicator Species in The Columbia River Gorge, USA | Mark Fenn; Linda Geiser; R. Bachman; T.J. Blubaugh; A. Bytnerowicz | 2006 | nitrogen; cultural resources; ammonium | Pacific Northwest | Journal |
| 81 | Regional Gradients in Lichen Communities of the Southeast United States | Bruce McCune; Jonathan Dey; Jeri Peck; Karin Heiman; Susan Will-Wolf | 1997 | air pollution | Southern | Regular |
| 82 | Lichen Biomonitoring Program in The George Washington and Jefferson National Forests: A Survey of Lichen Floristics and Elemental Status | James Lawrey | 1996 | sulfur; nitrogen; lichen elemental analysis | Southern | Regular |
| 83 | Report On the Identification of The Corticolous Macrolichen Species Collected in The James River Face Wilderness Area and In the Mount Rogers National Recreation Area of Jefferson National Forest, Virginia | Jonathan Dey | 1995 | lichen diversity | Southern | Regular |
| 84 | The Establishment of An Air Quality Biomonitoring Program Using Various Lichen Parameters in The James River Face Wilderness Area, Jefferson National Forest, Virginia | Larry St. Clair | 1987 | lichen checklist; air pollution | Southern | Regular |
| 85 | Monitoring Air Quality in Class I Wilderness Areas of The Northeastern United States Using Lichens and Bryophytes | Alison Dibble; James Hinds; Ralph Perron; Natalie Cleavitt; Richard Poirot; Linda Pardo | 2016 | lead; mercury; nitrogen; thallus condition; IMPROVE | Eastern | Regular |
| 86 | Lichen-Based Indices to Quantify Responses to Climate and Air Pollution Across Northeastern U.S.A | Susan Will-Wolf; Sarah Jovan; Peter Neitlich; JeriLynn Peck; Roger Rosentreter | 2015 | forest; nitrogen; sulfur | Eastern | Regular |
| 87 | Using Calicioid Lichens and Fungi as Biomonitors of Pollution in Five Class I Wilderness Areas in Eastern North America | Steven Selva | 2014 | biomonitoring | Eastern | Regular |
| 88 | 1993 Elemental Analysis of Lichens of The White Mountain National Forest Wilderness Areas | Clifford Wetmore | 1995 | lichen elemental analysis | Eastern | Regular |
| 89 | Lichens And Air Quality in Lye Brook Wilderness of The Green Mountain National Forest | Clifford Wetmore | 1995 | lichen elemental analysis; sulfur; air pollution | Eastern | Regular |
| 90 | Elemental Analysis of Boundary Waters Canoe Area Lichens of The Superior National Forest | Clifford Wetmore | 1993 | lichen elemental analysis | Eastern | Regular |
| 91 | Lichen Biomonitoring Program in The Dolly Sods and Otter Creek Wildernesses of The Monongahela National Forest: A Resurvey of Lichen Floristics and Elemental Status | James Lawrey | 1993 | air pollution; lichen elemental analysis | Eastern | Regular |
| 92 | Lichens And Air Quality in Rainbow Lake Wilderness of The Chequamegon National Forest | Clifford Wetmore | 1993 | lichen checklist; lichen elemental analysis; air pollution | Eastern | Regular |
| 93 | Lichens And Air Quality in Hercules Glades Wilderness of Mark Twain National Forest | Clifford Wetmore | 1992 | lichen elemental analysis; sulfur | Eastern | Regular |
| 94 | Lichens And Air Quality in White Mountain National Forest Wilderness Areas | Clifford Wetmore | 1989 | lichen baseline data; air pollution | Eastern | Regular |
| 95 | Lichens As Indicators of Atmospheric Quality in The Dolly Sods and Otter Creek Wildernesses of The Monongahela National Forest, West Virginia | James Lawrey; Mason Hale, Jr. | 1988 | biomonitoring; air pollution; metals | Eastern | Regular |
| 96 | Lichens And Air Quality in Boundary Waters Canoe Area of Superior National Forest | Clifford Wetmore | 1987 | air pollution; baseline data; lichen elemental analysis | Eastern | Regular |
| 97 | Epiphytic Macrolichen Communities Indicate Climate and Air Quality in The U.S. Midwest | Robert Smith; Sarah Jovan; Daniel Stanton; Susan Will-Wolf | 2020 | community composition; diversity; global changes; indicator species | Eastern | Journal |
| 98 | Epiphytic Macrolichen Communities Correspond to Patterns of Sulfur and Nitrogen Deposition in The Northeastern United States | Natalie Cleavitt; James Hinds; Richard Poirot; Linda Geiser; Alison Dibble; Bennet Leon; Ralph Perron; Linda Pardo | 2015 | air pollution; cyanolichen; sensitivity rating | Eastern | Journal |
| 99 | Compendium of the Lichens and Associated Fungi of Alaska | Toby Spribille; Alan Fryday; Celia Hampton-Miller; Teuvo Ahti; Karen Dillman; Göran Thor; Tor Tonsberg; Dave Schirokauer | 2023 | lichen checklist | Alaska | Regular |
| 100 | Lichen Communities and Species Indicate Climate Thresholds in Southeast and South-Central Alaska, USA | Heather Root; Bruce McCune; Sarah Jovan | 2014 | community analysis | Alaska | Regular |
| 101 | Monitoring Air Quality in Southeast Alaska’s National Parks and Forests: Linking Atmospheric Pollutants with Ecological Effects | David Schirokauer; Linda Geiser; Andrzej Bytnerowicz; Mark Fenn; Karen Dillman | 2014 | AQRVs | Alaska | Regular |
| 102 | Air Quality Biomonitoring on the Chugach National Forest: 1993 & 1994 Methods and Baselines Using Lichens | Chiska Derr | 2010 | wilderness areas; biomonitoring | Alaska | Regular |
| 103 | Epiphytic Macrolichen Communities in Pinus Contorta Peatlands in Southeastern Alaska | Chiska Derr; Bruce McCune; Linda Geiser | 2007 | biomonitoring | Alaska | Regular |
| 104 | Air Quality Biomonitoring with Lichens; the Tongass National Forest | Karen Dillman; Linda Geiser; Gregory Brenner | 2007 | air pollution; nitrogen; deposition | Alaska | Regular |
| 105 | Lichens of the National Forests in Alaska | Karen Dillman | 2006 | lichen checklist | Alaska | Regular |
| 106 | Lichen-Air Quality Pilot Study for Klondike Gold Rush National Historical Park and The City of Skagway, Alaska | C. E. Furbish; Linda Geiser; Claudia Rector | 2000 | air pollution; baseline data | Alaska | Regular |
| 107 | Lichens and Allied Fungi of Southeast Alaska | Linda Geiser; Karen Dillman; Chiska Derr; Mary Stensvold | 1998 | lichen checklist | Alaska | Regular |
| 108 | Air Quality Monitoring on the Tongass National Forest | Linda Geiser; Chiska Derr; Karen Dillman | 1994 | biomonitoring; lichen baseline data; lichen elemental analysis | Alaska | Regular |
| 109 | Lichen Biomonitoring in Southeast Alaska and Western Oregon | Chiska Derr | 1994 | lichen elemental analysis | Alaska | Regular |
| 110 | Lichens of Southeastern Alaska, An Inventory | Linda Geiser; Karen Dillman; Chiska Derr; Mary Stensvold | 1994 | lichen checklist | Alaska | Regular |