Habitats of North Carolina
Habitat Group:
Habitat Type:
   
Members of Rock Outcrops, Glades, and Barrens:
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Rock Outcrops, Glades, and Barrens
Xeric-Mesic Sand Barrens and Glades
Habitat Overview Species belonging to this habitat require loose, sparsely vegetated, sandy soils as a primary requirement. Some are adapted to living in areas completely devoid of vegetation but the majority reside in open, sunny woodlands that have patches of bare sand interspersed with sparse ground cover and woody debris.

Many of the animal species of this habitat are burrowers, constructing either permanent tubes or capable of swimming through the sands. Others are active hunters that pursue their prey across the open barrens. The plant species are all psammophitic and xerophytic, adapted to living in sparse populations under harsh conditions, with high temperatures, little or no available water, and scarce nutrients all routinely experienced. At least one moth species, Pygarctia abdominalis, appears to be an obligate herbivore on the Spurge species found in these habitats. Another species, Elaphria cyanympha, may feed on xerophitic lichens.

This group contains species that are adapted to the driest sandy habitats in the state. Species associated with sandy river bars or other wet sandy habitats are treated separately.

Related NHP Natural Communities
Determining Species
Taxa Global RankState RankProbability of Extirpation (PE)
MOTHS
Agrotis vetusta - Old Man Dart Moth G5S40.0007
Elaphria cyanympha G4S2S30.0164
Idaea ostentaria - Showy Wave Moth GNRS2S30.0164
Lobocleta plemyraria - Straight-lined Wave Moth G2G4S2S30.0164
Pygarctia abdominalis - Yellow-edged Pygarctia Moth G3S2S30.0164
FORBS
Asclepias humistrata - Pinewoods Milkweed G4G5S40.0007
Baptisia bracteata - Cream Wild Indigo G4G5SH0.00
Bryodesma acanthonota - Sand Spikemoss G4S2S30.0164
Chrysopsis gossypina - Cottony Golden-aster G5S50.00
Cnidoscolus stimulosus - Spurge-nettle G5S50.00
Eriogonum tomentosum - Dog-tongue Buckwheat G4G5SH0.00
Euphorbia ipecacuanhae - American Ipecac G5S40.0007
Mononeuria caroliniana - Pine-barren Sandwort G5S3S40.0020
Paronychia baldwinii - Baldwin's Nailwort G4S2S30.0164
Polygonella articulata - Coastal Jointweed G5SH0.00
Polygonella polygama - Common October-flower G4S2S30.0164
Stipulicida setacea - Pineland Scaly-pink G4G5S40.0007
Stylisma pickeringii - Pickering's Dawnflower G4S30.0058
Trifolium carolinianum - Carolina Clover G5SH0.00
GRAMINOIDS
Bulbostylis warei - Ware's Hairsedge G3G4SH0.00
BEETLES
Cicindela nigrior - Autumn Tiger Beetle G2G3S1S20.1284
Cicindela scutellaris - Festive Tiger Beetle G5T5S3S40.0020
Cicindelidia abdominalis - Eastern Pinebarrens Tiger Beetle G3G4S3S40.0020
Ellipsoptera gratiosa - Whitish Tiger Beetle G3G4S3S40.0020
SNAKES
Coluber flagellum
Heterodon simus - Southern Hognose Snake G2S20.0460
Micrurus fulvius
Pituophis melanoleucus - Eastern Pinesnake G4S20.0460
SPIDERS
Geolycosa fatifera GNRSU0.0020
Geolycosa pikei - a burrowing wolf spider GNRS3S40.0020
ORTHOPTERANS
Gryllus firmus - Sand Field Cricket GNRS4S50.0002
Psinidia fenestralis - Long-horned Locust G5S40.0007
Spharagemon cristatum - Ridgeback Sand Locust G5S3S40.0020
Spharagemon marmorata picta - Southern Marbled Locust G5TNRS3S40.0020
Expected Number of Extirpations with a PE value (Sum of PE) = 0.3567
N = Number of Extant Species with a PE value = 23
Average PE = ENE/N = 0.0155
Number of S5 species = 2
Proportion of Secure Species = Number of S5 Species/N = 0.0870
Habitat Risk Index = ENE x (1 – PSS) = 0.3257

Phagic and Competitory Symbioses: (Euphorbia ipecacuanhae/Pygarctia abdominalis)
Candidates for Inclusion Xerophytic lichens, including Cladonia and Cladina species, should be added once a website has been created for them.
Habitat Sub-sets
Distribution Map
Distribution
Survey Coverage Map
Survey Coverage
Survey Priorities
Average Imperilment of Habitat Members
Habitat Conservation Status
High Quality Habitat Occurrence Table
High Quality Habitat Occurrences
Protected Habitat Occurrences
Threats and Trends
Status Summary
Stewardship Recommendations
References
Updated on 2019-09-23 22:05:18