Species - sensitive

species: 

id: 

NBNSYS0000018961

warehouse_id: 

369 244

growth: 

bushy

taxon: 

Pseudevernia furfuracea

description: 

Pale grey upper surface, black lower surface (except on young lobes), with numerous pin-like isidia on the upper surface.

profile_pic: 

type: 

N - sensitive

id: 

NBNSYS0000018480

warehouse_id: 

369 175

growth: 

bushy

taxon: 

Evernia prunastri

description: 

Lobes pale green on the upper surface and whitish on the lower surface; strap-like with soredia (powdery granules) present on upper surface of well-developed specimens.

profile_pic: 

type: 

N - sensitive

confusion: 

Ramalina species are green on both sides but look carefully as Evernia may appear green due to free living algae growing on the lobe surface.

id: 

NHMSYS0001501147

warehouse_id: 

369 237

growth: 

bushy

taxon: 

Usnea species

description: 

Beard lichens – greenish-grey, with a central core (visible when the branch is stretched); often pendent.

profile_pic: 

type: 

N - sensitive

confusion: 

Ramalina farinacea which has flattened branches and soredia (powdery granules) on the margins, Ramalina calicaris has disc-like fruiting bodies (cup-shaped structures) on narrow channelled lobes.

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confusion_image_2: 

id: 

NHMSYS0001476287

warehouse_id: 

369 226

growth: 

bushy

taxon: 

Bryoria species

description: 

Hair lichens – green-brown to brown; hair-like and fine without central core; pendent when well developed.

profile_pic: 

type: 

N - sensitive

id: 

NHMSYS0001485077

warehouse_id: 

369 232

growth: 

leafy

taxon: 

Hypogymnia species

description: 

Lobes swollen, hollow when cut; without rhizines, soredia (powdery granules) erupting from lobe tips.

profile_pic: 

type: 

N - sensitive

id: 

NBNSYS0000015580

warehouse_id: 

369 207

growth: 

bushy

taxon: 

Sphaerophorus globosus

description: 

Green-grey to brownish; branches sticking up, solid, with many digitate branchlets at the tip.

profile_pic: 

id: 

NBNSYS0000016934

warehouse_id: 

369 247

growth: 

granular-crustose

taxon: 

Graphis species

description: 

Script lichens – thallus whitish grey, fruiting bodies (cup-shaped structures) elongate with raised lip-like margins.

profile_pic: 

type: 

N - sensitive

confusion: 

Script lichens – thallus whitish grey, fruiting bodies (cup-shaped structures) elongate 5-25mm long with raised lip-like margins.

confusion_image_1: 

confusion_image_2: 

id: 

NBNSYS0000019365

warehouse_id: 

369 198

growth: 

granular-crustose

taxon: 

Ochrolechia androgyna

description: 

Thallus white to cream with soredia (powdery granules) in conspicuous rounded clusters and occasional pale orange fruiting bodies (cup-shaped structures) with a thick margin (thallus and soredia C+ red).

profile_pic: 

type: 

N - sensitive

confusion: 

Pertusaria multipuncta has pale greyish thallus with soredia (powdery granules) in conspicuous white spots. Thallus and soredia are C- and K+ yellow. Phlyctis agelea the 'white paint lichen' has a whitish finely sorediate thallus that is K+yellow turning blood red in a few seconds.

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confusion_image_2: