Brickellia eupatorioides var. floridana - (R.W. Long) B.L. Turner
Florida Brickell-bush
Other English Common Names: Florida Brickellbush, Mosier's false boneset
Other Common Names: false boneset
Synonym(s): Brickellia mosieri (Small) Shinners
Taxonomic Status: Accepted
Related ITIS Name(s): Brickellia eupatorioides var. floridana (R.W. Long) B.L. Turner (TSN 526977)
Unique Identifier: ELEMENT_GLOBAL.2.131540
Element Code: PDAST1H0G5
Informal Taxonomy: Plants, Vascular - Flowering Plants - Aster Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Asterales Asteraceae Brickellia
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Brickellia eupatorioides var. floridana
Taxonomic Comments: Kartesz (1999) lists B. mosieri as a synonym of Brickellia eupatorioides var. floridana. U.S. Fish & Wildlife Service recognizes B. mosieri.
Conservation Status
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NatureServe Status

Global Status: G5T1
Global Status Last Reviewed: 26Jul2011
Global Status Last Changed: 01Jun1993
Rounded Global Status: T1 - Critically Imperiled
Reasons: Known only from the Miami Rock Ridge in Miami-Dade County, Florida. Highly restricted endemic with a very narrow range. There are few populations. Its pine rockland habitat has been nearly eliminated by housing development. Other threats include fire suppression and exotic plant invasions. It is apparently endemic to Florida despite old literature reports from Alabama, Georgia, and South Carolina.
Nation: United States
National Status: N1

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Florida (S1)

Other Statuses

U.S. Endangered Species Act (USESA): LE: Listed endangered (04Sep2014)
U.S. Fish & Wildlife Service Lead Region: R4 - Southeast

NatureServe Global Conservation Status Factors

Range Extent Comments: Dade County, Florida, between Coral Gables and Florida City. "A highly restricted endemic, known from a small area in southeastern Florida," (Shinners, 1946). Reports from Alabama, Georgia, and South Carolina have not been confirmed.

Number of Occurrences: 6 - 20
Number of Occurrences Comments: 2000-06-21: 14 OCCURRENCES CONFIRMED BY BRADLEY AND GANN (U99BRA02FLUS) IN 1999. ANOTHER 18 ARE MENTIONED FROM EARLIER SURVEYS BY HERNDON BUT HAVE NOT BEEN CONFIRMED; MANY OF THESE SITES ARE NOW DEVELOPED OR COMPLETELY WOODED. USFWS (2004) considers the taxon to have 16 extant sites.

Population Size Comments: BRADLEY AND GANN (U99BRA02FLUS; see also USFWS 2004) ESTIMATE BETWEEN 1000-10000 PLANTS, PROBABLY 5000-7000.

Overall Threat Impact: High
Overall Threat Impact Comments: The taxon's pine rockland habitat has been nearly eliminated by housing and other urban/suburban development. Fire suppression and exotic plant invasions are major threats (Halupa 2002). The most serious exotic species threats are from Brazilian pepper (Schinus terebinthifolius) and Burma reed (Neyraudia reynaudiana). Others, including melaleuca (Melaleuca quinquenervia), may also be problems. The regional water control efforts conducted throughout South Florida may also have negative effects on this taxon (Halupa 2002). Based on the low number of individuals within its narrow range, catastrophic events such as hurricanes and tropical storms may negatively affect this taxon and could extirpate remaining populations (Halupa 2002). These patterns of threat are continuing (USFWS, 2004), with some management action under way to control invasive species at some sites.

Short-term Trend: Decline of 50-70%
Short-term Trend Comments: This taxon was known from more sites on the Miami Rock Ridge historically (Halupa 2002). More than 95% of Miami Rock Ridge has been destroyed by development. Even conservation areas are suffering due to lack of fire and exotic species invasion. USFWS (2004) considers 16 sites extant, with 18 additional occurrences historically known.

Long-term Trend: Decline of 50-90%
Long-term Trend Comments: Over half of populations apparently lost in fairly recent past, primarily due to development in Miami area of Florida. Proportion of historically present individuals now extant not known.

Environmental Specificity: Very narrow. Specialist or community with key requirements scarce.
Environmental Specificity Comments: Known only from pine rockland habitat in southern Florida, requiring fire to maintain the openings in which the plant occurs.

Other NatureServe Conservation Status Information

Distribution
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Global Range: Dade County, Florida, between Coral Gables and Florida City. "A highly restricted endemic, known from a small area in southeastern Florida," (Shinners, 1946). Reports from Alabama, Georgia, and South Carolina have not been confirmed.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States FL

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
FL Miami-Dade (12086)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Florida Southeast Coast (03090206)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Basic Description: Perennial herb, 1 - 3.5 feet tall, slender, erect, and branching. Leaves 0.4 - 1.2 inches long, alternate, narrow, linear, thick, spreading or recurved, entire or slightly toothed, resin-dotted. Flower heads in small, open clusters. Disk flowers white, in small, dense heads surrounded by hairy, slightly ribbed bracts; no ray flowers. Pappus white or brown.
Technical Description: Stems 45-70 cm tall, usually 1 or several flowering ones with several sterile leafy shoots, striate, minutely and rather densely appressed pubescent, normally simple to the inflorescence which occupies the terminal tenth to fourth of the plant. Leaves linear or narrowly oblong, entire, scabrous-pubescent and more or less resin-dotted above, glabrous and densely resin-dotted beneath, the lower widely spreading to reflexed, the largest 2-4 cm long, 1-3 mm wide, the upper gradually smaller, spreading to ascending. Inflorescence corymbose or corymbose-paniculate, nearly flat-topped to pyramidal; primary branches simple or once forked, the ultimate branchlets or peduncles 1-6 cm long at flowering time, naked or with few much reduced leafy bracts 0.5-4.0 mm long. Heads solitary; involucres 8.5-10.5 mm high, wiht 9-13 florets. Corollas 6.0-6.5 mm long, the lobes about 0.3 mm long. Achenes 3.5-4.7 mm long, dark brown or black-brown, columnar or slightly clavate, 10-ribbed, minutely hispidulous on the ribs. Pappus bristles 20, strongly plumose, brown, 5.5-6.5 mm long" (Shinners, 1946).
Duration: PERENNIAL
Terrestrial Habitat(s): Forest - Conifer, Forest/Woodland
Habitat Comments: Drier soils of Dade County, Florida pine rocklands.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 22Jun2000
NatureServe Conservation Status Factors Author: CHAFIN, L.G., rev. A. Olivero (2003), rev. L. Morse (2005)
Element Ecology & Life History Edition Date: 05Nov1992
Element Ecology & Life History Author(s): REV. ANNABLE, C.

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
Help
  • Bradley, K.A., and G.D. Gann. 1999. Status summaries of 12 rockland plant taxa in southern Florida. Report submitted to U.S. Fish and Wildlife Service, Vero Beach, FL. Institute For Regional Conservation, Miami, FL.

  • Halupa, P. 2002. March-last update. Candidate and Listing Priority Assignment Form: Brickellia mosieri. U.S. Fish and Wildlife Service, Endangered Species Program. Online. Available: http://ecos.fws.gov/tess/candforms_pdf/r4/brimos.pdf. Accessed 2003, February 11.

  • Institute for Systematic Botany. 2000. On-Line Atlas of the Vascular Plants of Florida. University of South Florida, Tampa.

  • KRAL, R. 1983.A REPORT ON SOME RARE,THREATENED,OR ENDANGEREDFOREST-RELATED VASCULAR PLANTS OF THE SOUTH.VOL I ISOETACEAETHROUGH EUPHORBIACEAE;VOL II AQUIFOLIACEA THROUGH ASTERACEAE& GLOSSARY.USDA FOREST SERV,SE REG.,ATL,GA. TECH PUBL R8-TP2

  • Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.

  • Kral, R. 1983c. A report on some rare, threatened, or endangered forest-related vascular plants of the South. U.S. Dept. of Agriculture Forest Service Technical Publication R8-TP2, Athens, GA. 1305 pp.

  • Shinners, L.H. 1946. Revision of the genus Kuhnia L. Wrightia 1:122-144.

  • Small, J.K. 1933. Manual of the southeastern flora. Two volumes. Hafner Publishing Company, New York.

  • U.S. Fish and Wildlife Service (USFWS). 2004. Species assessment and listing priority assignment form. Brickellia mosieri. 11 pp.

  • U.S. Fish and Wildlife Service (USFWS). 2013. Proposed Endangered Status for Brickellia mosieri (Florida Brickell-bush) and Linum carteri var. carteri (Carter's Small-flowered Flax). Federal Register 78(192): 61273-61293.

  • U.S. Fish and Wildlife Service (USFWS). 2014. Endangered Species Status for Brickellia mosieri (Florida Brickell-bush) and Linum carteri var. carteri (Carter?s Small-flowered Flax). Federal Register 79(171): 52567-52575.

  • WUNDERLIN, RICHARD P. 1982. GUIDE TO THE VASCULAR PLANTS OF CENTRAL FLORIDA. UNIV. PRESSES OF FLA., TAMPA, ST. PETERSBURG, FT. MEYERS, SARASOTA

  • Wunderlin, R.P. 1982. Guide to the vascular plants of central Florida. Univ. Presses Florida, Gainesville. 472 pp.

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