Gordon Natural Area

Common Name: Smooth Axil-bristle Lichen

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

200811510 (Observed: 2/2/2024)

Common Name: Crustose, Corticolous Lichen

Year Noted: 2020

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

71301639 (Observed: 3/12/2020)

Common Name: No Common Name

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

70038023 (Observed: 8/17/2020)

Common Name: Shadow Dot Lichen

Type: Crustose

Substrate(s): Every Available Substrate

Year Noted: 2020

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

103099461 (Observed: 4/9/2020)

Common Name: Button Lichens

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

88175930 (Observed: 7/22/2021)

Common Name: Pyxine Lichens

Year Noted: 2019

Identified By: C.J. Pasiche Lisboa (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

70586979 (Observed: 12/2/2019)

Common Names: Powdery Gold Speck Lichen; Yellow Powder

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2019; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

102183172 (Observed: 11/29/2021)

36750841 (Observed: 12/18/2019)

Common Names: Common Goldspeck Lichen; Common Yolk Lichen

Synonyms: Candelaria vitellina

Type: Crustose

Substrate(s): Saxicolous

Years Noted: 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

200652592 (Observed: 2/27/2024)

149431444 (Observed: 2/22/2023)

70341304 (Observed: 2/28/2021)

Common Name: Frosted Comma Lichen

Synonyms: Arthonia caesia

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

158608984 (Observed: 4/26/2023)

107767333 (Observed: 3/1/2022)

40237917 (Observed: 3/18/2020)

103099069 (Observed: 12/14/2021)

Common Name: Nipple Lichen

Type: Fruticose

Substrate(s): Terricolous

Year Noted: 2019

Identified By: Nur Ritter

First Noted By: Nur Ritter & Maribeth Beatty

Comments:
Thus far, a single occurrence noted at the Gordon.

Common Names: Pink Dimple Lichen; Lesser Candydish

Type: Crustose

Substrate(s): Bryophilous & Corticolous

Year Noted: 2022

Identified By: J. Jensen (FB Lichen Identification Group)

First Noted By: Nur Ritter

iNaturalist Observations:

107413917 (Observed: 2/21/2022)

Common Name: Common Script Lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

Comments:
To date, a single 'occurrence' noted: growing on a large, fallen Northern Red Oak (Quercus rubra).

iNaturalist Observations:

70250519 (Observed: 2/26/2021)

46418403 (Observed: 5/18/2020)

Common Name: Barnacle Lichens

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2022

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

108599099 (Observed: 3/14/2022)

Common Names: Fringed Stud Lichen; Mapledust Lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2020; 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

70351897 (Observed: 2/28/2021)

50918726 (Observed: 6/25/2020)

Common Names: Beaded Rim-lichen; Ashen Stud Lichen

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

103433320 (Observed: 12/21/2021)

Common Names: Bumpy-rim Lichen; Under-fruited Lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2019; 2021; 2022; 2023

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

148691962 (Observed: 2/1/2023)

107768176 (Observed: 3/1/2022)

70262335 (Observed: 2/26/2021)

69525803 (Observed: 12/6/2019)

Common Name: Rim Lichen

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

52529110 (Observed: 7/9/2020)

Common Name: Mealy Rim-lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2019; 2021; 2023; 2024

Identified By: C.J. Pasiche Lisboa (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

198233079 (Observed: 2/2/2024)

148711612 (Observed: 2/13/2023)

102871224 (Observed: 12/7/2021)

70354737 (Observed: 2/28/2021)

70256135 (Observed: 2/26/2021)

36346268 (Observed: 12/2/2019)

Common Name: Rim-lichen

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
At this point, only a single occurrence noted. Growing on a small, fallen branch.

iNaturalist Observations:

39553669 (Observed: 3/4/2020)

Common Name: Bark Disc Lichen

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
At this point, only a single occurrence noted. Growing on a small, fallen branch.

iNaturalist Observations:

39553361 (Observed: 3/4/2020)

Common Name: Hagen's Rim-lichen

Synonyms: Lecanora hagenii; Myriolecis hagenii

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2021

Identified and First Noted By: Nur Ritter

Common Name: Smokey-eye Boulder Lichen

Type: Crustose

Substrate(s): Saxicolous

Years Noted: 2019; 2020; 2021; 2022; 2023; 2024

Identified By: C.J. Pasiche Lisboa (iNaturalist)

First Noted By: Nur Ritter

Comments:
The most frequently encountered and abundant saxicolous lichen (i.e. one that grows on rock) in the Gordon. Habitat: on boulders and rocks (as would be expected) throughout the Gordon.

iNaturalist Observations:

146847074 (Observed: 1/18/2023)

106389699 (Observed: 2/8/2022)

93391724 (Observed: 9/2/2021)

73239597 (Observed: 4/6/2021)

77680081 (Observed: 5/6/2021)

70630511 (Observed: 3/3/2021)

70630029 (Observed: 3/3/2021)

70254484 (Observed: 2/26/2021)

67721320 (Observed: 1/7/2021)

41029030 (Observed: 3/29/2020)

37884642 (Observed: 2/15/2019)

37885224 (Observed: 11/5/2019)

Common Names: Cinder Lichen; Ashen Stud Lichens

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2019

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

38905196 (Observed: 11/4/2019)

Common Name: Sunken Disk Lichen

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2020

Identified By: C.J. Pasiche Lisboa (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

40239121 (Observed: 3/18/2020)

Common Name: Sunken Disk Lichen

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

70413658 (Observed: 3/18/2020)

Common Name: Crabseye Lichens

Year Noted: 2022

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

144685332 (Observed: 12/19/2022)

Common Name: Scribble Lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

85396679 (Observed: 7/2/2021)

Common Name: Pustule Crust Lichen

Synonyms: Haematomma pustulatum

Type: Crustose

Substrate(s): Corticolous & Lignicolous (rarely)

Years Noted: 2020; 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

69467088 (Observed: 5/21/2020)

70812280 (Observed: 2/28/2021)

Common Name: Pore Lichens

Type: Crustose

Substrate(s): Corticolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
Growing on the trunk of a Northern Red Oak (Quercus rubra).

iNaturalist Observations:

38904682 (Observed: 1/14/2020)

Common Name: Whitewash Lichen

Type: Crustose

Substrate(s): Corticolous

Years Noted: 2020; 2021; 2023

Identified and First Noted By: Nur Ritter

Comments:
A tentative ID.

iNaturalist Observations:

52529558 (Observed: 7/9/2020)

146765167 (Observed: 1/11/2023)

70629317 (Observed: 3/3/2021)

70614418 (Observed: 3/3/2021)

70111098 (Observed: 2/24/2021)

Common Name: Bark Whitewash

Type: Crustose

Substrate(s): Corticolous & Saxicolous (Occasionally)

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

103061993 (Observed: 12/14/2021)

Common Name: Dot Lichen

Type: Crustose

Substrate(s): Saxicolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
To date, just a single occurrence has been noted at the Gordon; however, this species is quite difficult to detect. Growing on a small rock with scattered bryophytes.

iNaturalist Observations:

38797353 (Observed: 2/18/2020)

Common Name: Pin-cushion Sunburst Lichen

Type: Crustose

Substrate(s): Corticolous, Lignicolous, & Saxicolous

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

103161885 (Observed: 12/15/2021)

Common Names: Jack-o-Lantern Lichen; Mustard Lichen

Type: Foliose

Substrate(s): Corticolous

Years Noted: 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

251702301 (Observed: 11/14/2024)

148894201 (Observed: 2/15/2023)

148758302 (Observed: 2/13/2023)

106746545 (Observed: 2/11/2022)

104415291 (Observed: 1/4/2022)

102871583 (Observed: 12/7/2021)

Common Names: Lemon Lichen; Candle Flame Lichen

Type: Foliose-Squamulose

Substrate(s): Corticolous & Saxicolous

Years Noted: 2018; 2019; 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

Comments:
Seemingly, one of the most common lichens at the Gordon.

iNaturalist Observations:

104343979 (Observed: 9/11/2020)

95680014 (Observed: 9/21/2021)

70617842 (Observed: 3/3/2021)

40238602 (Observed: 3/18/2020)

Common Names: Wrinkled Shield Lichen; Common Greenshield Lichen

Type: Foliose

Substrate(s): Every Available Substrate

Years Noted: 2018; 2019; 2021; 2023; 2024

Identified and First Noted By: Nur Ritter

Comments:
Common at the Gordon.

iNaturalist Observations:

70146709 (Observed: 1/8/2021)

70084512 (Observed: 10/29/2019)

Common Names: Lead Lichen; Wrinkled Loop Lichen; Clingy Square Britches

Type: Foliose

Substrate(s): Corticolous

Year Noted: 2021

Identified By: James Lendemer (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

102723609 (Observed: 12/7/2021)

Common Names: Squarrose Shield Lichen; Bottlebrush Shield Lichen

Type: Foliose

Substrate(s): Corticolous & Saxicolous

Year Noted: 2019

Identified and First Noted By: Nur Ritter

Comments:
Seemingly, quite common at the Gordon.

Common Name: Shield Lichens and Allies

Type: Foliose

Substrate(s): Corticolous

Year Noted: 2019

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

104464002 (Observed: 10/25/2019)

Common Names: Powdered Ruffle Lichen; Bleached Shield Lichen

Type: Foliose

Substrate(s): Corticolous

Years Noted: 2019; 2022

Identified By: T. Walker (iNaturalist)

First Noted By: Nur Ritter

Comments:
In part, can be differentiated from other species of Parmotrema in the area by the white lower margin of the thallus lobes (Orr 2011, p. 37).

iNaturalist Observations:

104466975 (Observed: 10/25/2019)

Common Name: Ruffle Lichen

Type: Foliose

Substrate(s): Corticolous

Years Noted: 2019; 2020

Identified By: T. Walker (iNaturalist)

First Noted By: Nur Ritter

Also Noted By: Noah Long

iNaturalist Observations:

39213459 (Observed: 10/21/2019)

Common Name: Ruffle Lichen

Type: Foliose

Substrate(s): Corticolous

Identified By: Nur Ritter

First Noted By: Noah Long

iNaturalist Observations:

38341405 (Observed: 2/2/2020)

Common Names: Powdered Speckled Shield Lichen; Moondust Speckled Lichen

Type: Foliose

Substrate(s): Corticolous

Year Noted: 2022

Identified By: T. Walker (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

105172200 (Observed: 1/18/2022)

Common Name: Rough Shield Lichen

Type: Foliose

Substrate(s): Corticolous & Saxicolous

Years Noted: 2019; 2021; 2022; 2023; 2024

Identified By: T. Walker (iNaturalist)

First Noted By: Nur Ritter

iNaturalist Observations:

137737658 (Observed: 10/5/2022)

121766967 (Observed: 6/9/2022)

105981383 (Observed: 2/1/2022)

104409470 (Observed: 1/4/2022)

70841702 (Observed: 3/8/2021)

70611707 (Observed: 3/3/2021)

70084853 (Observed: 7/8/2019)

70055212 (Observed: 11/26/2019)

Common Name: Smooth Shadow-crust Lichen

Type: Foliose

Substrate(s): Corticolous

Years Noted: 2019; 2024

Identified and First Noted By: Nur Ritter

Comments:
A somewhat tentative identification. Only noted once in the Gordon: Growing on a small branch from a fallen, mature Northern Red Oak (Quercus rubra).

iNaturalist Observations:

200118653 (Observed: 2/22/2024)

36735715 (Observed: 12/17/2019)

Common Names: Pom-pom Shadow Lichen; Tiny Blister Lichen

Type: Foliose

Substrate(s): Corticolous & Saxicolous (Rarely)

Years Noted: 2019; 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

105171215 (Observed: 1/18/2022)

103057182 (Observed: 12/14/2021)

71302316 (Observed: 3/12/2020)

37886190 (Observed: 11/4/2019)

Common Names: Orange-cored Shadow Lichen; Orange Pith Lichen

Type: Foliose

Substrate(s): Corticolous & Saxicolous

Years Noted: 2018; 2019; 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

Comments:
Quite common at the Gordon.

iNaturalist Observations:

105979807 (Observed: 2/1/2022)

104776291 (Observed: 1/11/2022)

94209623 (Observed: 9/2/2021)

70610684 (Observed: 3/3/2021)

Common Names: Hooded Rosette Lichen; Hood-fruited Lichen

Type: Foliose

Substrate(s): Corticolous, Lignicolous, & Saxicolous (Occasionally)

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

70528678 (Observed: 3/3/2021)

Common Names: Hoary Rosette Lichen; Goat Lichen

Type: Foliose

Substrate(s): Corticolous & Lignicolous

Years Noted: 2021; 2022

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

108596943 (Observed: 3/14/2022)

102183872 (Observed: 11/29/2021)

Common Name: Rosette Lichens

Type: Foliose

Substrate(s): Saxicolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
Likely either Physcia aipolia or P. stellaris.

iNaturalist Observations:

38903080 (Observed: 2/18/2020)

Common Names: Lace-tipped Lichen; Mealy Rosette Lichen

Type: Foliose

Substrate(s): Corticolous, Lignicolous, & Saxicolous (Occasionally)

Years Noted: 2018; 2019; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

Comments:
Frequently encountered in the GNA.

Note: This species is very tolerant of air pollution.

iNaturalist Observations:

199304090 (Observed: 2/14/2024)

100074194 (Observed: 11/1/2021)

99973595 (Observed: 10/28/2021)

40813094 (Observed: 10/21/2019)

38904116 (Observed: 1/14/2020)

Common Names: Star Rosette Lichen; Gray Star Lichen

Type: Foliose

Substrate(s): Corticolous, Lignicolous (rarely), and Saxicolous (rarely)

Years Noted: 2020; 2021; 2024

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

87901621 (Observed: 2/26/2020)

52389321 (Observed: 4/9/2020)

102783207 (Observed: 12/7/2021)

Common Name: Bare-bottomed Sunburst Lichen

Synonyms: Xanthomendoza weberi

Type: Foliose

Substrate(s): Corticolous & Saxicolous (Occasionally)

Years Noted: 2018; 2023

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

185002630 (Observed: 9/25/2023)

72773171 (Observed: 4/2/2021)

Common Names: Bristly Beard Lichen; Shaggy Beard Lichen

Type: Fruticose

Substrate(s): Corticolous

Year Noted: 2022

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

137669598 (Observed: 10/5/2022)

Common Name: Twig Lichen

Year Noted: 2021

Identified and First Noted By: Nur Ritter

iNaturalist Observations:

70219005 (Observed: 2/26/2021)

Common Names: Sulphur Dust Lichen; Glowing Teardrop

Type: Leprose-Crustose

Substrate(s): Saxicolous

Year Noted: 2021

Identified and First Noted By: Nur Ritter

Comments:
Distinctive crust lichen. Almost always found on stone. Thus far, known in the Gordon from a single 'occurrence.'

iNaturalist Observations:

70358251 (Observed: 2/28/2021)

Common Name: Dust Lichen

Type: Leprose-Crustose

Substrate(s): Saxicolous

Year Noted: 2021

Identified By: G. Perlmutter (iNaturalist)

First Noted By: Nur Ritter

Common Name: Dust Lichen

Type: Leprose-Crustose

Substrate(s): Saxicolous

Year Noted: 2021

Identified By: G. Perlmutter (iNaturalist)

First Noted By: Nur Ritter

Common Names: Stubby-stalked Cladonia; Bank Lichen

Type: Squamulose

Substrate(s): Corticolous, Lignicolous, Saxicolous, & Terricolous

Years Noted: 2018; 2019; 2020; 2022

Identified By: C.J. Pasiche Lisboa (iNaturalist)

First Noted By: Nur Ritter

Comments:
To date, a number of occurrences have been noted at the Gordon. One population was noted growing on a large, fallen Black Cherry (Prunus serotina) that still had much of its bark. A number of other occurrences have been noted on heavily decayed, decorticated stumps (all were likely hardwood species).

iNaturalist Observations:

38836548 (Observed: 10/18/2019)

37686398 (Observed: 1/13/2020)

Common Names: Powder Horn Lichen; Common Powderhorn

Type: Squamulose

Substrate(s): Corticolous, Lignicolous, & Terricolous

Years Noted: 2019; 2020; 2021; 2022; 2024

Identified and First Noted By: Nur Ritter

Also Noted By: Noah Long

Comments:
Fairly common and widespread at the Gordon. At this time, the most commonly encountered Cladonia.

iNaturalist Observations:

104421442 (Observed: 10/16/2021)

102418210 (Observed: 12/1/2021)

95682665 (Observed: 9/21/2021)

90808017 (Observed: 8/6/2021)

85457023 (Observed: 7/2/2021)

70550182 (Observed: 3/3/2021)

70416706 (Observed: 4/14/2020)

70415231 (Observed: 8/17/2020)

37556491 (Observed: 10/25/2019)

37556780 (Observed: 1/13/2020)

51630751 (Observed: 7/1/2020)

Common Names: Smooth Horn Lichen; Spoon Lichen; Smooth Cladonia

Type: Squamulose

Substrate(s): Lignicolous, & Terricolous

Year Noted: 2020

Identified and First Noted By: Nur Ritter

Comments:
Only a single 'population' noted in the Gordon. This was on a large, fallen Black Cherry (Prunus serotina). As of late-winter 2021, all the bark had fallen off this tree and no Cladonia was observed.

iNaturalist Observations:

37685705 (Observed: 1/17/2020)

69588404 (Observed: 1/21/2020)

Common Names: Lipstick Powderhorn; White Pin Lichen; Pin Lichen; Scarlet Pin Lichen

Type: Squamulose

Substrate(s): Corticolous & Lignicolous

Years Noted: 2021; 2022

Identified and First Noted By: Nur Ritter

Comments:
To date, a single 'occurrence' noted: growing inside a hollowed-out wooden post.

iNaturalist Observations:

70343150 (Observed: 2/28/2021)

Common Name: Sulphur Stubble Lichen

Type: Stubble Lichens

Substrate(s): Corticolous (occasionally), Lignicolous, and Saxicolous

Year Noted: 2022

Identified By: Nur Ritter

First Noted By: Nur Ritter & Kathryn Krueger

Also Noted By: Miranda Davies

iNaturalist Observations:

109916637 (Observed: 3/29/2022)

109241468 (Observed: 3/22/2022)

Common Names: Slender Stubble Lichen; Snag Pins

Type: Stubble Lichens

Substrate(s): Lignicolous

Year Noted: 2019

Identified and First Noted By: Nur Ritter

Comments:
To date, a single occurrence known for the GNA. Growing on a large, fallen, Tulip Tree (Liriodendron tulipifera) log. Reportedly, this species is an indicator of good habitat.

iNaturalist Observations:

40255801 (Observed: 1/29/2019)

Common Names: Polypore Club Lichen; Fairy Pin; Black Matchstick Fungus

Type: Stubble Lichens

Substrate(s): Fungicolous

Years Noted: 2018; 2019; 2020; 2021; 2022; 2023; 2024

Identified and First Noted By: Nur Ritter

Also Noted By: Paige Vermeulen; Noah Long; kojo1019; Arriana Rivellini; Maribeth Beatty

Comments:
This diminutive species is known to grow only on the caps of Trichaptum biforme (Violet-toothed Polypore) and other species of Trichaptum. Extremely common at the Gordon: wherever we see older Violet-toothed Polypore, we almost always find Polypore Club Lichen.

iNaturalist Observations:

108195948 (Observed: 3/8/2022)

104409061 (Observed: 1/4/2022)

96932068 (Observed: 10/1/2021)

48171189 (Observed: 6/1/2020)

46023678 (Observed: 5/12/2020)

70254819 (Observed: 2/26/2021)

40809658 (Observed: 3/27/2019)

42226906 (Observed: 4/14/2020)

66309426 (Observed: 12/8/2020)