Table Bc06: Species of conservation concern within the Spring River

Table Bc06: Species of conservation concern within the Spring River Tributaries Watershed, Missouri (Oesch 1995, Pflieger 1996, MDC 1999a and MDC 1999b).
Scientific Name Common Name Federal Status State Status Grank Srank
Birds
Accipiter cooperii Cooper's Hawk G5 S3
Ardea herodias Great Blue Heron G5 S5
Fish
Cycleptus elongatus Blue Sucker * G4 S3
Typhlichthys subterraneus Southern Cavefish G3 S2S3
Invertebrates
Cambarus hubrichti Salem Cave Crayfish G2 S3
Lampsilis reeviana reeviana Arkansas Brokenray G3T1T2 S2?
Orconectes eupunctus Coldwater Crayfish G2 S3
Orconectes marchandi Mammoth Spring Crayfish G2 S1S2
Plants, Ferns, Fern Allies, and Mosses
Amsonia ciliata var. filifolia Ciliate Blue Star G5?T4? S2S3
Aster dumosus var. strictior Tradescant Aster G5T4 S2
Aster fragilis var. fragilis Small White Aster G4G5T? S1
Boltonia decurrens Decurrent False Aster T E G2 S1
Carex alata Broadwing Sedge G5 S2S3
Carex buxbaumii Brown Bog Sedge G5 S2
Carex decomposita Epiphytic Sedge G3 S3
Carex oklahomensis Oklahoma Sedge G3? S2
Castanea pumila var. ozarkensis Ozark Chinquapin * G5T3 S2
Coelorachis cylindrica Joint Grass G4G5 S1
Dalea gattingeri Gattinger Prairie-clover G3G4 S1
Delphinium exaltatum Tall Larkspur * G3 S2
Dichondra carolinensis Pony-foot Grass G5 S1
Echinodorus tenellus var. parvulus Dwarf Burhead * G3T3 S1
Glyceria acutiflora Sharp-scaled Manna Grass G5 S3
Hydrolea ovata Ovate Fiddleleaf G5 S2
Hypericum lobocarpum A St. John's Wort G4Q SH
Juncus validus A Rush G5 S1
Marshallia caespitosa var. caespitosa Barbara's Buttons G4T4 S3
Mecardonia acuminata Water Hyssop G5 S1
Najas flexilis A Naiad G5 S1S2
Ophioglossum crotalophoroides Bulbous Adder's-tongue G5 S1
Platanthera flava var. flava Pale Green Orchid G4T4?Q S2
Platanthera flava var. herbiola Northern Rein Orchid G4T4Q S2
Potamogeton pulcher Spotted Pondweed G5 S2S3
Schoenoplectus hallii Hall's Bulrush * G2 S1
Scleria reticularis var. pubescens Muhlenberg's Nut-rush G5 S1
Sida elliottii Elliott Sida G4G5 S1
Sisyrinchium atlanticum Eastern Blue-eyed Grass G5 S2
Trillium pusillum var. ozarkanum Ozark Wake Robin * G3T3 S2
Xyris torta Yellow-eyed Grass G5 S1
Yucca arkansana Arkansas Yucca G5 S2

Federal Status

E=Endangered

T=Threatened

* =Former category-2 candidate (In December of 1996, the USFWS discontinued the practice of maintaining a list of species regarded as "category-2 candidates". MDC continues to distinguish these species for information and planning purposes.

State Status

SRrank

S1=Critically imperiled in the state because of extreme rarity or because of some factor(s) making it especially vulnerable to extirpation from the state. (typically 5 or fewer occurrences or very few remaining individuals)

S2=Imperiled in the state because of rarity or because of some factor(s) making it very vulnerable to extirpation from the state. (6 to 20 occurrences or few remaining individuals or acres)

S3=Rare and uncommon in the state. (21 to 100 occurrences)

S4=Widespread, abundant, and apparently secure in state, with many occurrences, but the species is of long-term concern. (usually more than 100 occurrences)

S5=Demonstrably widespread, abundant, and secure in the state, and essentially ineradicable under present conditions.

SU=Unrankable: Possibly in peril in the state, but status uncertain; need more information.

SE=Exotic: An exotic established in the state; may be native in nearby regions.

SH=Historical: Element occurred historically in the state (with expectation that it may be rediscovered). Perhaps having not been verified in the past 20 years, and suspected to be still extant.

SX=Extirpated: Element is believed to be extirpated from the state.

S?=Unranked: Species is not yet ranked in the state.

Qualifier:

? =Inexact or uncertain: for numeric ranks, denotes inexactness. (The ? qualifies the character immediately preceding it in Srank)

Q=Questionable taxonomy: taxonomic status is questionable; numeric rank may change with taxonomy.

Grank

G1=Critically imperiled globally because of extreme rarity or because of some factor(s) making it especially vulnerable to extinction. (typically 5 or fewer occurrences or very few remaining individuals or acres)

G2=Imperiled globally because of rarity or because of some factor(s) making it very vulnerable to extinction throughout its range. (6 to 20 occurrences or few remaining individuals or acres)

G3=Either very rare and local throughout its range or found locally (even abundantly at some of its locations) in a restricted range (e.g., a single western state, a physiographic region in the East) or because of other factors making it vulnerable to extinction throughout its range. (21 to 100 occurrences)

G4=Widespread, abundant, and apparently secure globally, though it may be quite rare in parts of its range, especially at the periphery. Thus, the element is of long-term concern. (usually more than 100 occurrences)

G5=Demonstrably Widespread, abundant, and secure globally, though it may be quite rare in parts of its range, especially at the periphery.

Subrank:

T=Taxonomic subdivision: rank applies to subspecies or variety.

Note: Data in table subject to revision. This table is not a final authority.

Key Messages: 

Conservation pays by enriching our economy and quality of life.

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