Schizachyrium tenerum

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Distribution Map: Based on vouchered plant specimens from wild populations. Cultivated occurrences are not mapped. View county names by placing the cursor over the map.

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Family:	POACEAE
Species:	Schizachyrium tenerum Nees
Common Name:	SLENDER BLUESTEM
Status:	Native, FAC (DEP)
Specimen:	View details of USF Herbarium specimens

** Not applicable or data not available.

Classification

Division
Class
Sub Class
Order	POALES
Family	POACEAE
Genus	Schizachyrium
Species	Schizachyrium tenerum Nees - SLENDER BLUESTEM

Citation

Citation	SCHIZACHYRIUM TENERUM Nees von Esenbeck, in Martius, Fl. Bras. Enum. Pl. 2(1): 336. 1829.
Basionym:	**
Type:	BRAZIL: Rio Grande do Sul: Without data, Sellow s.n. (holotype: B; isotypes: K, US).

** Not applicable or data not available.

Source

County	Herbaria	Literature Citation (If Applicable)
Alachua	FLAS
Baker	USF
Bay	FSU
Calhoun	FLAS
Clay	USF
Columbia	FLAS
Escambia	FLAS
Franklin	FLAS
Gadsden	FLAS
Jackson	USF
Liberty	USF
Nassau	USF
Okaloosa	USF
Santa Rosa	FSU
Walton	USF
Washington	FSU

Synonyms

– Denotes synonyms that are applicable to the state. Show these synonyms only

Synonym	Full Citation	Basionym	Type
Andropogon leptophyllus	Andropogon leptophyllus Trinius, Mém. Acad. Imp. Sci. St.-Petersbourg, Ser. 6, Sci. Math. 2: 264. 1832, nom. illegit.	BASIONYM: Schizachyrium tenerum Nees von Esenbeck 1829.
Andropogon tener	Andropogon tener (Nees von Esenbeck) Kunth, Revis. Gramin., Suppl. 39. 1830.	BASIONYM: Schizachyrium tenerum Nees von Esenbeck 1829.
Andropogon tener var. genuinus	Andropogon tener (Nees von Esenbeck) Kunth, var. genuinus Hackel, in Martius, Fl. Bras. 2(3): 301. 1883, nom. inadmiss.	BASIONYM: Andropogon tener (Nees von Esenbeck) Kunth 1830; Schizachyrium tenerum Nees von Esenbeck 1829.
Sorghum tenerum	Sorghum tenerum (Nees von Esenbeck) Kuntze, Revis. Gen. Pl. 2: 792. 1891.	BASIONYM: Schizachyrium tenerum Nees von Esenbeck 1829.
Andropogon campestris	Andropogon campestris Kunth, Enum. Pl. 1: 489. 1833, nom. illegit. et non Trinius 1832.	BASIO: Andropogon neesii Trinius 1832; Schizachyrium filiforme Nees von Esenbeck 1829.
Andropogon gracile	Andropogon gracile J. Presl, in C. Presl, Reliq. Haenk. 1: 336. 1830, non Sprengel 1825.		TYPE: PERU: Huánuco: Without data, Haenke s.n. (holotype: PR; isotypes: BM, MO, W).
Andropogon neesii	Andropogon neesii Trinius, Mém. Acad. Imp. Sci. St.-Petersburg, Ser. 6, Sci. Math. 2(3): 263. 1832.	BASIONYM: Schizachyrium filiforme Nees von Esenbeck 1829.
Andropogon preslii	Andropogon preslii Kunth, Revis. Gramin., Suppl. 39. 1830.	BASIONYM: Andropogon gracile J. Presl 1830, non Sprengel 1825.
Andropogon tener subvar. hirtiglumis	Andropogon tener (Nees von Esenbeck) Kunth, subvar. hirtiglumis Henrard, Meded. Rijks-Herb. 40: 42. 1921.		TYPE: BOLIVIA [mis-cited at PARAGUAY]: Tarija: Near Tarija, 21 Mar 1904, Fiebrig 3154 (holotype: L).
Andropogon tener subvar. pilosus	Andropogon tener (Nees von Esenbeck) Kunth, subvar. pilosus Hackel, in Martius, Fl. Bras. 2(3): 301. 1883.		TYPE: BRAZIL: Rio de Janeiro: Pedro de Corrego a Nova Friburgo, s.d., Glaziou 13332 (holotype: P; isotype: K).
Andropogon tener subvar. scabriglumis	Andropogon tener (Nees von Esenbeck) Kunth, subvar. scabriglumis Hackel, in Alph. de Candolle, Monogr. Phan. 6: 379. 1889.		TYPE: MEXICO: Veracruz: Orizaba region, 2 Oct 1865, Bourgeau 3134 (holotype: ?; isotype: US).
Andropogon tener subvar. typicus	Andropogon tener (Nees von Esenbeck) Kunth, subvar. typicus Hackel, in Martius, Fl. Bras. 2(3): 301. 1883, nom. inadmiss.	BASIONYM: Andropogon tener (Nees von Esenbeck) Kunth 1830; Schizachyrium tenerum Nees von Esenbeck 1829.
Andropogon tener var. dubius	Andropogon tener (Nees von Esenbeck) Kunth, var. dubius (Nees von Esenbeck) Hackel, in Martius, Fl. Bras. 2(3): 302. 1883.	BASIONYM: Elionurus dubius Nees von Esenbeck 1829.
Andropogon tener var. filiformis	Andropogon tener (Nees von Esenbeck) Kunth, var. filiformis (Nees von Esenbeck) Hackel, in Alph. de Candolle, Monogr. Phan. 6: 379. 1889, nom. illegit.	BASIONYM: Andropogon tener (Nees) Kunth, var. neesii (Trinius) Hackel 1883; Andropogon neesii Trinius 1832; Schizachyrium filiforme Nees von Esenbeck 1829.
Andropogon tener var. neesii	Andropogon tener (Nees von Esenbeck) Kunth, var. neesii (Trinius) Hackel, in Martius, Fl. Bras. 2(3): 301. 1883.	BASIONYM: Andropogon neesii Trinius 1832; Schizachyrium filiforme Nees von Esenbeck 1829.
Elionurus dubius	Elionurus dubius Nees von Esenbeck, in Martius, Fl. Bras. Enum. Pl. 2: 358. 1829.		TYPE: BRAZIL: Bahia:
Schizachyrium filiforme	Schizachyrium filiforme Nees von Esenbeck, in Martius, Fl. Bras. Enum. Pl. 2: 338. 1829.		TYPE: BRAZIL: Minas Gerais: Itambe do Mato, s.d., Martius s.n. (holotype: M).
Schizachyrium tenerum var. filiforme	Schizachyrium tenerum Nees von Esenbeck, var. filiforme (Nees von Esenbeck) Roberty, Boissiera 9: 226. 1960, nom. illegit.	BASIONYM: Andropogon tener (Nees) Kunth, var. neesii (Trinius) Hackel 1883; Andropogon neesii Trinius 1832; Schizachyrium filiforme Nees von Esenbeck 1829.
Schizachyrium tenerum var. scabriglume	Schizachyrium tenerum Nees von Esenbeck, var. scabriglume (Hackel) Roberty, Boissiera 9: 226. 1960.	BASIONYM: Andropogon tener (Nees von Esenbeck) Kunth, subvar. scabriglumis Hackel 1889.

Specimens

Country	State	County	Date	Specimen
USA	Florida	Liberty Co.	09 Jul 1957	R. K. Godfrey 55588
USA	Florida	Baker Co.	29 Aug 1897	A. H. Curtiss 5978
USA	Florida	Okaloosa Co.	15 Aug 1983	G. Wilhelm 11658
USA	Florida	Clay Co.	25 Oct 2008	J. M. Kunzer 2620
USA	Florida	Jackson Co.	16 Aug 1961	R. K. Godfrey 61390
USA	Florida	Nassau Co.	15 Aug 2001	C. Slaughter 12733
USA	Florida	Walton Co.	17 Aug 1983	G. Wilhelm 11759
USA	Mississippi	Jackson Co.	22 Aug 1891	A. B. Seymour 65
USA	Mississippi	Lamar Co.	06 Aug 1955	J. D. Ray, Jr. 5310
USA	Louisiana	Tangipola Par.	07 Aug 1979	K. A. Vincent 2760
USA	Alabama	Baldwin Co.	20 Jun 1980	G. Wilhelm 7796
USA	Mississippi	Lamar Co.	26 Jul 1956	J. D. Ray, Jr. 7199
Brazil	Goiás		10 May 1973	W. R. Anderson 9968
Mexico	Veracruz		24 Aug 1910	A. S. Hitchcock 272

Listed Status: Florida

Listed Status:	(Florida):Source - Plants in the Preservation of Native Flora of Florida Act. Chapter 5B-40, Florida Administrative Code. 1998, amended.
Endangered:	A species of plants native to the state that are in imminent danger of extinction within the state, the survival of which is unlikely if the causes of a decline in the number of plants continue, and includes all species determined to be endangered or threatened pursuant to the Federal Endangered Species Act of 1973, as amended.
Threatened:	Listed as Threatened Plants in the Preservation of Native Flora of Florida Act. Defined as species of plants native to the state that are in rapid decline in the number of plants within the state, but which have not so decreased in such number as to cause them to be endangered.

Listed Status: US

Listed Status: US	(U.S.) Source - List of Endangered and Threatened Wildlife and Plants under the provisions of the Endangered Species Act of 1973, as amended.
Endangered:	Any species which is in danger of extinction throughout all or a significant portion of its range.
Threatened:	Any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.

WAP: Wetland AssessmentProcedure

Wetland Assessment Procedure (WAP): Source - Southwest Florida Water Management District, Wetland Assessment Procedure Instruction Manual for Isolated Wetlands (March 2005).

AD:	Adaptive Species. Plant species designated as FAC or Upland by DEP, but commonly seen in the transition zone in limited numbers.
D:	Deep Species. Plant species commonly found in the deep zone, and designated either FAC or OBL by DEP.
OD:	Outer Deep Species. Plant species commonly found in the outer deep zone, and designated either FACW or OBL by DEP.
T:	Transition Species. Plant species commonly found in the transition zone, and designated either FACW or OBL by DEP.
U:	Upland Species. Plant species that are not expected to be seen in wetlands.

ANY - WAP critieria is not taken into consideration
Yes - Show results with WAP designations
No - Show results without WAP designations

FLEPPC: Florida Exotic Pest Plant Council

FLEPPC:

Source - Florida Exotic Pest Plant Council's 2017 List of Florida's Most Invasive Species

Category I - Species that are invading and disrupting native plant communities in Florida. This definition does not rely on the economic severity or geographic range of the problem, but on the documented ecological damage caused.

Category II - Species that have shown a potential to disrupt native plant communities. These species may become ranked as Category I, but have not yet demonstrated disruption of natural Florida communities.

DEP: Department of Environmental Protection

Wetland Status, Department of Environmental Regulation (DEP): Source - Delineation of the Landward Extent of Wetlands and Surface Waters, Chapter 62-340, Florida Administrative Code. 1994.

OBL:	Obligate wetland. Occurs almost always under natural conditions in wetlands.
FACW:	Facultative Wetland. Usually occurs in wetlands, but occasionally found in non-wetlands
FAC:	Facultative. equally likely to occur in wetlands or non-wetlands.

NWPL: National Wetland Plant List

National Wetland Plant List (NWPL): Source - Lichvar, R.W., M. Butterwick, N.C. Melvin, and W.N. Kirchner. 2014. The National Wetland Plant List: 2014 Update of Wetland Ratings. Phytoneuron 2014-41: 1-42.

OBL:	Obligate Wetland. Occurs almost always (estimated probability 99%) under natural conditions in wetlands.
FACW:	Facultative Wetland. Usually occurs in wetlands (estimated probability 67%-99%), but occasionally found in non-wetlands.
FAC:	Facultative. Equally likely to occur in wetlands or non-wetlands (estimated probability 34%-66%).
FACU:	Facultative Upland. Usually occurs in non-wetlands (estimated probability 67%-99%), but occasionally found in wetlands (estimated probability 1%-33%).
UPL:	Obligate Upland. Occurs in wetlands in another region, but occurs almost always (estimated probability 99%) under natural conditions in non-wetlands in the regions specified.

Persisting

Identifying species that appear as waifs or only periodically appear in the flora for a few seasons.

Any - Persisting critieria is not taken into consideration
Yes - Show results with a Persisting value of Y
No - Show results without Persisting value of N

Duration

Annual:	Plants that perform their entire lifecycle within a single growing season. All roots, stems, and leaves die at the end of the growing season. Over wintering seeds allow the next generation to appear.
Biennial:	A plant that is typically vegetative its first year and blooms the following season. Once it has bloomed and set seed, the plant dies. Garlic mustard is an example of a biennial.
Perennial:	These plants live for three or more seasons. Many perennials may not be mature enough to bloom during its first year. Perennial wildflowers re-grow each season from overwinter root material.

Category

Vascular:	Any of various plants that have the vascular tissues xylem and phloem. The vascular plants include all seed-bearing plants (the gymnosperms and angiosperms) and the pteridophytes (including the ferns, lycophytes, and horsetails). Also called tracheophyte.
Bryophyte:	A large group of seedless green plants including the mosses, liverworts, and hornworts. Bryophytes lack the specialized tissues xylem and phloem that circulate water and dissolved nutrients in the vascular plants. Bryophytes generally live on land but are mostly found in moist environments, for they have free-swimming sperm that require water for transport. In contrast to the vascular plants, the gametophyte (haploid) generation of bryophytes constitutes the larger plant form, while the small sporophyte (diploid) generation grows on or within the gametophyte and depends upon it for nutrition.
Lichen:	The mutualistic symbiotic association of a fungus with an alga or a cyanobacterium, or both. The fungal component of a lichen absorbs water and nutrients from the surroundings and provides a suitable environment for the alga or cyanobacterium. These live protected among the dense fungal hyphae and produce carbohydrates for the fungus by photosynthesis. Owing to this partnership, lichens can thrive in harsh environments such as mountaintops and polar regions. The more familiar lichens grow slowly as crusty patches, but lichens are found in a variety of forms, such as the tall, plantlike reindeer moss. The association between the different organisms in a lichen is so close that lichens are routinely referred to as a single organism, and scientists classify lichens using the name of the fungal component.

(Definitions from: American Heritage Science Dictionary)

Growth Habit

Intro paragraph to be provided by New York.

Vine:	DESCRIPTION TO BE PROVIDED BY NEW YORK.
Shrub:	DESCRIPTION TO BE PROVIDED BY NEW YORK.
Tree:	DESCRIPTION TO BE PROVIDED BY NEW YORK.
Et cetera:	DESCRIPTION TO BE PROVIDED BY NEW YORK.

State Rank

This numeric rank provides the relative rarity for each species based on a scale from 1 (very rare) to 5 (common). These ranks carry no legal status.

S1 - Typically 5 or fewer occurrences, very few remaining individuals, acres, or miles of stream, or some factor of its biology making it especially vulnerable in the state.
S2 - Typically 6 to 20 occurrences, few remaining individuals, acres, or miles of stream, or factors demonstrably making it very vulnerable in the state.
S3 - Typically 21 to 100 occurrences, limited acreage, or miles of stream in the state.
S4 - Apparently secure in the state.
S5 - Demonstrably secure in the state.
SE - State exotic or non-native.
SH - Historically known from the state, but not seen in the past 15 years.
SNA - Species for which a rank is not applicable. This is mainly those species which are now excluded from flora for various reasons.
SNR - Not yet ranked.
SX - Apparently extirpated from the state.

Global Rank

Each species' global rank is determined by NatureServe. These ranks carry no legal weight. The global rank reflects the species worldwide rarity.

G1 - Critically imperiled globally because of extreme rarity (5 or fewer occurrences), or very few remaining acres, or miles of stream) or especially vulnerable to extinction because of some factor of its biology.
G2 - Imperiled globally because of rarity (6 - 20 occurrences, or few remaining acres, or miles of stream) or very vulnerable to extinction throughout its range because of other factors.
G3 - Imperiled globally because of rarity (6 - 20 occurrences, or few remaining acres, or miles of stream) or very vulnerable to extinction throughout its range because of other factors.
G4 - Imperiled globally because of rarity (6 - 20 occurrences, or few remaining acres, or miles of stream) or very vulnerable to extinction throughout its range because of other factors.
G5 - Demonstrably secure globally, though it may be quite rare in parts of its range, especially at the periphery.
GH - Historically known, with the expectation that it might be rediscovered.
GNA - Species for which a rank is not applicable. NatureServe does not typically rank hybrid species.
GNR - Not yet ranked.
GX - Species believed to be extinct.

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Filter by County - Counties to Exclude - ANY versus ALL

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Associated Ecological Communities

View a List of All Ecological Communities

For more information, contact: Richard Wunderlin or Bruce Hansen, or Alan Franck

Web Development: USF Water Institute

A member of the University of South Florida family of PlantAtlas.org websites

Citation Information:

Wunderlin, R. P., B. F. Hansen, A. R. Franck, and F. B. Essig. 2021. Atlas of Florida Plants (http://florida.plantatlas.usf.edu/). [S. M. Landry and K. N. Campbell (application development), USF Water Institute.] Institute for Systematic Botany, University of South Florida, Tampa.

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Definition: Vouchered Specimen

A voucher specimen is a pressed and thoroughly dried plant sample deposited in a herbarium, and is intended to be a permanent record supporting research purposes. A voucher may be a record of a plant's occurrence in a particular area, or a specific example of a plant used in a scientific investigation.

Proper vouchers display all the necessary attributes for complete identification of the plant, and are to be accompanied by accurate locality, habitat, collection time, and collector data.

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