Listing Criteria. The following factors shall be considered for listing a species as endangered extirpated: The species was once a viable component of the State’s flora and fauna and there are no records of it naturally occurring in Maryland after 1950; or The species was once a viable component of the State’s flora and fauna and recent scientific investigations have documented the loss of its habitat or disappearance of its population in Maryland. Permits. Upon the discovery of a viable, naturally occurring population of any species in §§C—J of this regulation, that species shall be considered an endangered species and shall require the permits and conditions afforded to that status. The following plant species are considered endangered extirpated throughout Maryland: Ten-lobe false foxglove (Agalinis obtusifolia); Golden colicroot (Aletris aurea); Canada anemone (Anemonastrum canadensis); Great angelica (Angelica atropurpurea); Swamp-pink (Arethusa bulbosa); Great Indian-plantain (Arnoglossum reniforme); Tropical water-hyssop (Bacopa innominata); Sea oxeye (Borrichia frutescens); Lanceleaf grapefern (Botrychium lanceolatum var. angustisegmentum); Least grapefern (Botrychium simplex); Wild chess (Bromus kalmii); Bluehearts (Buchnera americana); Southern harebell (Campanula divaricata); Variable sedge (Carex polymorpha); Slender sedge (Carex tenera); Chaffweed (Centunculus mimimus); Curlyheads (Clematis ochroleuca); Toothed sedge (Cyperus dentatus); Showy lady’s-slipper (Cypripedium reginae); Trailing tick-trefoil (Desmodium humifusum); Lined tick-trefoil (Desmodium lineatum); Sessileleaf tick-trefoil (Desmodium sessilifolium); Rattlesnake-master (Eryngium yuccifolium); Spotted joe-pyeweed (Eutrochium maculatum); Downy gentian (Gentiana puberulenta); Dwarf rattlesnake-plantain (Goodyera repens); Checkered rattlesnake-plantain (Goodyera tesselata); Branched hedge-hyssop (Gratiola ramosa); Nuttall’s micranthemum (Hemianthus micranthemoides); Drummond’s St. John’s-wort (Hypericum drummondii); Small whorled pogonia (Isotria medeoloides); Baltic rush (Juncus balticus); Bayonet rush (Juncus militaris); Ground juniper (Juniperus communis); Slender pinweed (Lechea tenuifolia); Turgid gayfeather (Liatris helleri); Nondo lovage (Ligusticum canadense); Wood lily (Lilium philadelphicum); Heartleaf twayblade (Listera cordata); Sea milkwort (Lysimachia maritima); Slender water milfoil (Myriophyllum tenellum); One-sided wintergreen (Orthilia secunda); Mountain phlox (Phlox ovata); Heartleaf plantain (Plantago cordata); Small purple-fringe orchis (Platanthera psycodes); Bushy knotweed (Polygonum ramosissimum); Southern mountainmint (Pycnanthemum pycnanthemoides); Green-flower wintergreen (Pyrola chlorantha); Bristly crowfoot (Ranunculus pensylvanicus); Few-flowered beakrush (Rhynchospora oligantha); Pale beakrush (Rhynchospora pallida); Few-flowered beakrush (Rhynchospora rariflora); Wild black currant (Ribes americanum); Bebb’s willow (Salix bebbiana); Shining willow (Salix lucida); Nettleleaf sage (Salvia urticifolia); Leathery grapefern (Sceptridium multifidum); Canby’s bulrush (Schoenoplectus etuberculatus); Chaffseed (Schwalbea americana); Coastal false asphodel (Triantha racemosa); Buffalo clover (Trifolium reflexum); and American purple vetch (Vicia americana). The following mollusk species is considered endangered extirpated throughout Maryland: Maryland glyph (Glyphyalinia raderi). The following crustacean species is considered endangered extirpated throughout Maryland: Norden’s groundwater isopod (Caecidotea nordeni). The following insect species are considered endangered extirpated throughout Maryland: Hessel’s hairstreak (Callophrys hesseli); Dusky azure (Celestrina nigra); Skillet clubtail (Gomphurus ventricosus); Piedmont clubtail (Hylogomphus parvidens); American burying beetle (Nicrophorus americanus); Tawny crescent (Phyciodes batesii); Regal fritillary (Speyeria idalia); Riverine clubtail (Stylurus amnicola); and Golden banded-skipper (Telegonus cellus). The following finfish species are considered endangered extirpated throughout Maryland: Longnose sucker (Catostomus catostomus); Bridle shiner (Notropis bifrenatus); Cheat minnow (Pararhinichthys bowersi); and Trout-perch (Percopsis omiscomaycus). The following amphibian species is considered endangered extirpated throughout Maryland: Common mudpuppy (Necturus maculosus). The following bird species are considered endangered extirpated throughout Maryland: Ivory-billed woodpecker (Campephilus principalis); Swainson’s thrush (Catharus ustulatus); Lark sparrow (Chondestes grammacus); Olive-sided flycatcher (Contopus cooperi); Red-cockaded woodpecker (Dryobates borealis); Eskimo curlew (Numenius borealis); Bachman’s sparrow (Peucaea aestivalis); Roseate tern (Sterna dougallii); Appalachian Bewick’s wren (Thryomanes bewickii bewickii); and Greater prairie chicken (Tympanuchus cupido). The following mammal species are considered endangered extirpated throughout Maryland: Gray wolf (Canis lupus); Elk (Cervus elaphus); Eastern cougar (Puma concolor couguar); Snowshoe hare (Lepus americanus); American marten (Martes americana); and Eastern harvest mouse (Reithrodontomys humulis).