Lichens of the Santa Rosa Plateau Found On Rocks

Lichens of the Santa Rosa Plateau Found On Rocks

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Name Common
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s Identification Notes
Fruticose

1 SPILONEMA revertens rock hairball lichen x on horizontal flow lines near plateau tops; small patches or cushions 5-15 mm across consisting of reddish brown to black (greenish black when wet), spiny, filamentous branches; apothecia uncommon, 0.2-0.5 mm diameter, buried among the branches
Squamulose

2 PELTULA euploca powdery rock-olive x on horizontal flow lines near plateau tops; clearly umbilicate; squamules 1.5-3(10) mm diameter
3 PSORA sp. indet. (scale) i brown with central convex fruiting body; attached by hairy tomentum
Foliose

4 FLAVOPARMELIA caperata common greenshield lichen c pale yellow-green when dry; greener when wet, lower surface black, upper surface often strongly wrinkled in older parts, lobes rounded, 3-8 mm wide; granular soredia present
5 FLAVOPUNCTELIA flaventior speckled greenshield x yellow-green with white spots on lobes; lower surface black, with a brown edge; lobes rounded, 4-8 mm wide; soredia on margins and upper lobe surface; not supposed to be on anything other than trees!
6 NEOFUSCELIA subhosseana erupted camouflage lichen x i yellowish-brown to reddish-brown, lobes 1-3 mm wide, with ~0.2 mm disintegrating isidia pustules; lower surface black to pale brown; soredia absent, but schidizia present
7 PHYSCIA callosa beaded rosette lichen c clear, almost shiny, uniform gray to almost white, with no white spots; lobes downturned, 0.4-2 mm wide, becoming divided into lobules at tips; lower surface white to pale tan with abundant pale rhizines; soredia on undersides and margins of lobe tips.
8 UMBILICARIA phaea Emery rock tripe c smooth, shiny, brown, unlobed, brittle; lower surface pale, rough and papillate, umbilicate (mostly without rhizines); apothecia (disk-shaped fruiting body) common, black, partially embeded, small, angular to star shaped, in concentric circles; to 6 cm across
XANTHOPARMELIA (rock-shield) yellow-green, lobes mostly 0.5-4 mm wide; lower surface pale brown to ebony black, rhizines unbranched or forked, usually abundant; soredia usually absent, but often with cylindric or globose isidia
9 XANTHOPARMELIA coloradoensis (rock-shield) x like X. lineola, but loosely attached with some overlapping lobes.
10 XANTHOPARMELIA conspersa peppered rock-shield c shiny, browned at margins; lobes narrow, 1-3 mm wide, crowded and often overlapping, with sparse to dense cylindrical isidia on upper surface; lower surface pitch black except for a pale to dark brown area close to lobe tips, closely to loosely attached; fruiting bodies rare
11 XANTHOPARMELIA lineola tight rock-shield c dull, often darkening on older parts, forming large, closely attached patches; thick rounded or irregular contiguous lobes 0.8-3(5) mm wide, sometimes crowded or overlapping, without isidia or soredia; lower surface pale brown, often wrinkled and cracked, with pale rhizines; fruiting bodies common, ~raised, 2-5 mm diameter.
12 XANTHOPARMELIA mexicana salted rock-shield x often shiny at lobe tips; lobes rounded, 1.5-5 mm wide, with dense, globose isidia that ~become cylindrical and branched; lower surface pale brown or smoky gray-brown at margins, closely to loosely attached; fruiting bodies rare.
Crustose

13 ACAROSPORA fuscata brown cobblestone lichen x c often shiny, yellowish-brown to deep reddish-brown, broken into tiles, tiles often becoming slightly lifted at the edges and becoming squamulose, dispersed or continuous, 0.5-2(3) mm wide, gen with 1-5 darker brown, irregular disks of immersed fruiting bodies in the centers
14 ACAROSPORA schleicheri soil paint lichen c pale to bright sulphur yellow, sometimes pruinose, squamulose-areolate, often lobed at margins, with large red-brown, sometimes scabrous, embedded fruiting bodies; only on soil??
15 AMANDINEA punctata tiny button lichen c gray to brownish, green when wet; thin and barely perceptible to moderately thick, cracked or areolate; fruiting body 0.2-0.5 mm in diameter, with a thin black margin often disappearing in maturity
16 ASPICILIA cf. americana (sunken disk lichen) x large, thin, dull-greenish-gray with flat to concave areoles
17 ASPICILIA cf. gibbosa (sunken disk lichen) c x gray-green
18 BUELLIA badia (button lichen) i strongly ascending and clumped squamules; white, gray, brown or yellowish; fruiting body with rim same color as disk
CALOPLACA (firedot lichen) bright orange or yellow orange in either thallus or fruiting body; apothecia margins usually rimmed with a different color
19 CALOPLACA decipiens (firedot lichen) r produces piles of granular, orange soredia at the tips of overlapping lobes in older parts of the thallus
20 CALOPLACA demissa (firedot lichen) r
21 CALOPLACA saxicola (firedot lichen) c orange to yellow-orange, with convex, scabrose lobes; apothecia orange with paler, yellow margins
22 CALOPLACA subsoluta (firedot lichen) c
23 CANDELARIELLA vitellina common goldspeck lichen c bright yellow little cushions of flattened granules, very slightly crenulate at edges sometimes, or just scattered yellow areoles; apothecia 0.5-1.5 mm diameter, often crowded
24 DIMELAENA oreina golden moonglow lichen r greenish yellow, sometimes blackening at edges of lobes or areoles; areoles 0.3-1 mm diameter; lobes, when present, mostly 0.5-1 mm wide, 1-3 mm long; apothecia black, level with thallus surface, often with a thalline margin or just embedded in thallus
25 DIMELAENA radiata silver moonglow lichen r milky white to brownish gray, usually heavily pruinose, or pale yellow brown if not pruinose; apothecia immersed to sessile, black, often wrinkled
26 DIPLOSCHISTES actinostomus (crater lichen) x gray; fruiting body with rim different color than disk
27 DIPLOSCHISTES scruposus crater lichen c almost white or greenish-gray, thick, verrucose or areolate, without pruina; fruiting body black, crater-like, 0.5-1.5(3) mm diameter, embedded, with rim different color than disk, often with a double margin
LECANORA (rim-lichen) yellowish, gray, brown or greenish, often sorediate; fruiting body with rim different color than disk, often pruinose
28 LECANORA gangaleoides (rim-lichen) r apothecia black
29 LECANORA mellea (rim-lichen) i honey-brown, often shiny; apothecia without pruina but rarely seen
30 LECANORA muralis stonewall rim-lichen x light yellowish-green, waxy, with little or no pruina; areolate in center of thallus, becoming lobed at margins, sometimes squamulose; marginal lobes very flat, closely appressed, 0.3-0.6 mm wide; apothecia yellow- to red-brown, not pruinose, with ~thick thallus-colored margins
31 LECANORA scotopholis (rim-lichen) c c c
32 LECIDEA fuscoatra (tile lichen) i pale brown to gray brown areoles, (thick rimose to areolate or squamulose to almost lobate, or almost hidden within the substrate; with black to dark brown, superficial to sunken, lecidiene apothecia usually rimmed with disk-colored margins)
33 LECIDEA tessellata tile lichen i chalky white to blue-gray, forming round patches of well-defined, tile-like areoles bordered by a conspicuous charcoal gray to black prothallus; apothecia black, sunken between the areoles, or prominent
34 LECIDELLA carpathica (disk lichen) i white, areolate to verrucose; (apothecia lecidiene, pitch black and often shiny, with black margins)
35 #LICHENOTHELIA scopularia c c dark stain; fruiting body with rim same color as disk
36 THELOMMA mammosum rock nipple lichen x c thick, pale gray to dark yellowish gray, areolate to verrucose; fertile verrucae smooth, shaped like volcanoes or nipples, 0.8-1.6 mm diameter; fruiting body circular, flat open center, black-powdery to the touch, raised on a stalk; no hymenium)
37 TRAPELIA involuta pebble lichen on soft periodically-wetted rocks in road cut; pale gray-green, sometimes pinkish brown in part, at first consisting of small, dispersed or contiguous areoles, often somewhat lobes at edge, without soredia or isidia; apothecia dark red-brown to almost black, 0.4-0.7(1.0) diameter, marginless or often with a thin, thallus-colored, ragged margin, sometimes appearing as two margins

http://tchester.org/srp/plants/list/lichens_rocks.html
Last update: 3 November 2004

#	Latin Name	Common Name	O t c p	B l d r s	S m R k s	Identification Notes
Fruticose
1	SPILONEMA revertens	rock hairball lichen	x			on horizontal flow lines near plateau tops; small patches or cushions 5-15 mm across consisting of reddish brown to black (greenish black when wet), spiny, filamentous branches; apothecia uncommon, 0.2-0.5 mm diameter, buried among the branches
Squamulose
2	PELTULA euploca	powdery rock-olive	x			on horizontal flow lines near plateau tops; clearly umbilicate; squamules 1.5-3(10) mm diameter
3	PSORA sp. indet.	(scale)			i	brown with central convex fruiting body; attached by hairy tomentum
Foliose
4	FLAVOPARMELIA caperata	common greenshield lichen	c			pale yellow-green when dry; greener when wet, lower surface black, upper surface often strongly wrinkled in older parts, lobes rounded, 3-8 mm wide; granular soredia present
5	FLAVOPUNCTELIA flaventior	speckled greenshield	x			yellow-green with white spots on lobes; lower surface black, with a brown edge; lobes rounded, 4-8 mm wide; soredia on margins and upper lobe surface; not supposed to be on anything other than trees!
6	NEOFUSCELIA subhosseana	erupted camouflage lichen		x	i	yellowish-brown to reddish-brown, lobes 1-3 mm wide, with ~0.2 mm disintegrating isidia pustules; lower surface black to pale brown; soredia absent, but schidizia present
7	PHYSCIA callosa	beaded rosette lichen	c			clear, almost shiny, uniform gray to almost white, with no white spots; lobes downturned, 0.4-2 mm wide, becoming divided into lobules at tips; lower surface white to pale tan with abundant pale rhizines; soredia on undersides and margins of lobe tips.
8	UMBILICARIA phaea	Emery rock tripe			c	smooth, shiny, brown, unlobed, brittle; lower surface pale, rough and papillate, umbilicate (mostly without rhizines); apothecia (disk-shaped fruiting body) common, black, partially embeded, small, angular to star shaped, in concentric circles; to 6 cm across
	XANTHOPARMELIA	(rock-shield)				yellow-green, lobes mostly 0.5-4 mm wide; lower surface pale brown to ebony black, rhizines unbranched or forked, usually abundant; soredia usually absent, but often with cylindric or globose isidia
9	XANTHOPARMELIA coloradoensis	(rock-shield)		x		like X. lineola, but loosely attached with some overlapping lobes.
10	XANTHOPARMELIA conspersa	peppered rock-shield			c	shiny, browned at margins; lobes narrow, 1-3 mm wide, crowded and often overlapping, with sparse to dense cylindrical isidia on upper surface; lower surface pitch black except for a pale to dark brown area close to lobe tips, closely to loosely attached; fruiting bodies rare
11	XANTHOPARMELIA lineola	tight rock-shield			c	dull, often darkening on older parts, forming large, closely attached patches; thick rounded or irregular contiguous lobes 0.8-3(5) mm wide, sometimes crowded or overlapping, without isidia or soredia; lower surface pale brown, often wrinkled and cracked, with pale rhizines; fruiting bodies common, ~raised, 2-5 mm diameter.
12	XANTHOPARMELIA mexicana	salted rock-shield		x		often shiny at lobe tips; lobes rounded, 1.5-5 mm wide, with dense, globose isidia that ~become cylindrical and branched; lower surface pale brown or smoky gray-brown at margins, closely to loosely attached; fruiting bodies rare.
Crustose
13	ACAROSPORA fuscata	brown cobblestone lichen	x		c	often shiny, yellowish-brown to deep reddish-brown, broken into tiles, tiles often becoming slightly lifted at the edges and becoming squamulose, dispersed or continuous, 0.5-2(3) mm wide, gen with 1-5 darker brown, irregular disks of immersed fruiting bodies in the centers
14	ACAROSPORA schleicheri	soil paint lichen			c	pale to bright sulphur yellow, sometimes pruinose, squamulose-areolate, often lobed at margins, with large red-brown, sometimes scabrous, embedded fruiting bodies; only on soil??
15	AMANDINEA punctata	tiny button lichen			c	gray to brownish, green when wet; thin and barely perceptible to moderately thick, cracked or areolate; fruiting body 0.2-0.5 mm in diameter, with a thin black margin often disappearing in maturity
16	ASPICILIA cf. americana	(sunken disk lichen)		x		large, thin, dull-greenish-gray with flat to concave areoles
17	ASPICILIA cf. gibbosa	(sunken disk lichen)	c	x		gray-green
18	BUELLIA badia	(button lichen)			i	strongly ascending and clumped squamules; white, gray, brown or yellowish; fruiting body with rim same color as disk
	CALOPLACA	(firedot lichen)				bright orange or yellow orange in either thallus or fruiting body; apothecia margins usually rimmed with a different color
19	CALOPLACA decipiens	(firedot lichen)	r			produces piles of granular, orange soredia at the tips of overlapping lobes in older parts of the thallus
20	CALOPLACA demissa	(firedot lichen)		r
21	CALOPLACA saxicola	(firedot lichen)			c	orange to yellow-orange, with convex, scabrose lobes; apothecia orange with paler, yellow margins
22	CALOPLACA subsoluta	(firedot lichen)		c
23	CANDELARIELLA vitellina	common goldspeck lichen		c		bright yellow little cushions of flattened granules, very slightly crenulate at edges sometimes, or just scattered yellow areoles; apothecia 0.5-1.5 mm diameter, often crowded
24	DIMELAENA oreina	golden moonglow lichen		r		greenish yellow, sometimes blackening at edges of lobes or areoles; areoles 0.3-1 mm diameter; lobes, when present, mostly 0.5-1 mm wide, 1-3 mm long; apothecia black, level with thallus surface, often with a thalline margin or just embedded in thallus
25	DIMELAENA radiata	silver moonglow lichen		r		milky white to brownish gray, usually heavily pruinose, or pale yellow brown if not pruinose; apothecia immersed to sessile, black, often wrinkled
26	DIPLOSCHISTES actinostomus	(crater lichen)	x			gray; fruiting body with rim different color than disk
27	DIPLOSCHISTES scruposus	crater lichen			c	almost white or greenish-gray, thick, verrucose or areolate, without pruina; fruiting body black, crater-like, 0.5-1.5(3) mm diameter, embedded, with rim different color than disk, often with a double margin
	LECANORA	(rim-lichen)				yellowish, gray, brown or greenish, often sorediate; fruiting body with rim different color than disk, often pruinose
28	LECANORA gangaleoides	(rim-lichen)	r			apothecia black
29	LECANORA mellea	(rim-lichen)		i		honey-brown, often shiny; apothecia without pruina but rarely seen
30	LECANORA muralis	stonewall rim-lichen			x	light yellowish-green, waxy, with little or no pruina; areolate in center of thallus, becoming lobed at margins, sometimes squamulose; marginal lobes very flat, closely appressed, 0.3-0.6 mm wide; apothecia yellow- to red-brown, not pruinose, with ~thick thallus-colored margins
31	LECANORA scotopholis	(rim-lichen)	c	c	c
32	LECIDEA fuscoatra	(tile lichen)	i			pale brown to gray brown areoles, (thick rimose to areolate or squamulose to almost lobate, or almost hidden within the substrate; with black to dark brown, superficial to sunken, lecidiene apothecia usually rimmed with disk-colored margins)
33	LECIDEA tessellata	tile lichen			i	chalky white to blue-gray, forming round patches of well-defined, tile-like areoles bordered by a conspicuous charcoal gray to black prothallus; apothecia black, sunken between the areoles, or prominent
34	LECIDELLA carpathica	(disk lichen)			i	white, areolate to verrucose; (apothecia lecidiene, pitch black and often shiny, with black margins)
35	#LICHENOTHELIA scopularia			c	c	dark stain; fruiting body with rim same color as disk
36	THELOMMA mammosum	rock nipple lichen	x	c		thick, pale gray to dark yellowish gray, areolate to verrucose; fertile verrucae smooth, shaped like volcanoes or nipples, 0.8-1.6 mm diameter; fruiting body circular, flat open center, black-powdery to the touch, raised on a stalk; no hymenium)
37	TRAPELIA involuta	pebble lichen				on soft periodically-wetted rocks in road cut; pale gray-green, sometimes pinkish brown in part, at first consisting of small, dispersed or contiguous areoles, often somewhat lobes at edge, without soredia or isidia; apothecia dark red-brown to almost black, 0.4-0.7(1.0) diameter, marginless or often with a thin, thallus-colored, ragged margin, sometimes appearing as two margins