Macbridea alba - Chapman
White Birds-in-a-nest
Other Common Names: white birds-in-a-nest
Taxonomic Status: Accepted
Related ITIS Name(s): Macbridea alba Chapman (TSN 32558)
Unique Identifier: ELEMENT_GLOBAL.2.136197
Element Code: PDLAM0Y010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Mint Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Dicotyledoneae Lamiales Lamiaceae Macbridea
Check this box to expand all report sections:
Concept Reference
Help
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: Macbridea alba
Taxonomic Comments: One of two species in genus.
Conservation Status
Help

NatureServe Status

Global Status: G2
Global Status Last Reviewed: 09Apr2012
Global Status Last Changed: 12Mar1996
Ranking Methodology Used: Ranked by calculator
Rounded Global Status: G2 - Imperiled
Reasons: Endemic to small area of Florida Panhandle. Decreases in the quality and extent of appropriate habitat within this species' very limited range, and recent surveys within its range, suggest that the species is declining. The plants cannot withstand modern intensive forestry practices such as clear-cutting, chopping and tilling of the substrate, dense plantings of pine, and the subsequent exclusion of fire. Thirty-three occurrences have been verified since 1989, but some of these are sub-occurrences which are clustered into larger occurrences. Most of the occurrences are within the Apalachicola National Forest in Florida, but some are on nearby state conservation lands.
Nation: United States
National Status: N2

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 (S2)

Other Statuses

U.S. Endangered Species Act (USESA): LT: Listed threatened (08May1992)
U.S. Fish & Wildlife Service Lead Region: R4 - Southeast

NatureServe Global Conservation Status Factors

Range Extent Comments: Endemic to Liberty, Bay, Gulf, and Franklin counties, Florida (Chafin 2000). Alabama reports are erroneous.

Area of Occupancy: 26-125 4-km2 grid cells
Area of Occupancy Comments: Endemic to a small area in the Coastal Flatwoods area of the Florida Panhandle.

Number of Occurrences: 21 - 80
Number of Occurrences Comments: 33 occurrences verified since 1989, but some of these are sub-occurrences which are clustered into larger occurrences (EO data in the NatureServe central database as of April 2012).

Population Size Comments: Many occurrences have shown fluctuating numbers from year to year (EO data in the NatureServe central database as of April 2012).

Number of Occurrences with Good Viability/Integrity: Few (4-12)
Viability/Integrity Comments: 8 occurrences with good viability verified since 1989, but some of these are sub-occurrences which are clustered into larger occurrences (EO data in the NatureServe central database as of April 2012).

Overall Threat Impact: High
Overall Threat Impact Comments: Threatened by habitat degradation due to lack of prescribed fire and by forestry practices (intensive site preparation followed by high pine stocking densities).

Short-term Trend: Decline of 10-30%
Short-term Trend Comments: This species has declined in most of its range and has declined severely outside the National Forest.

Long-term Trend: Decline of 30-50%
Long-term Trend Comments: Substantial areas within the small range of this plant have were converted to short rotation pine plantations during the 20th century.

Intrinsic Vulnerability Comments: Plant tolerates some disturbance due to forestry operations although actual effects and population numbers unknown.

Other NatureServe Conservation Status Information

Distribution
Help
Global Range: Endemic to Liberty, Bay, Gulf, and Franklin counties, Florida (Chafin 2000). Alabama reports are erroneous.

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 Bay (12005), Franklin (12037), Gulf (12045), Liberty (12077)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 Apalachicola (03130011)+, New (03130013)+, Apalachicola Bay (03130014)+, St. Andrew-St. Joseph Bays (03140101)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
Help
Basic Description: A perennial herb, growing to 3-4 dm tall. Stems have erect hairs, and they are sometimes sparingly branched. Leaves are opposite, rather well spaced, with sticky secretions on the surfaces. Flowers are borne in head-like spikes, usually with 1 or 2 flowers blooming on a head at any time. Flowers are white, 2-lipped. (Based on Ward 1979.)
Technical Description: "Stem sparsely clothed with long, multicellular hairs and glandular-dotted, 3-4 dm tall, solitary and with a single headlike inflorescence or few-branched above, each branch terminated by a head. Leaves thickish, oblanceolate or spatulate, mostly in 6-8 pairs, gradually reduced in sized from the base upwardly, usually all but the uppermost 2 pairs narrowed gradually from their widest places to margined subpetiolate bases, apices rounded; margins with a few very broad, very low, glandular-tipped protuberances thus appearing slightly wavy, both surfaces with scattered, long, straight, unicellular hairs and finely and abundantly glandular-punctate. Outer several bracts of the head empty, relatively large, varying in shape, the outermost oblong, usually becoming obovate then nearly orbicular; bracts subtending the flowers cuneate-obovate, clasping the calyces and reaching to somewhat beyond their throats. Clayx-tube funnelform, striate-reticulate. Both bracts and calyces thick and becoming hard upon drying. Corolla 2.5-3 cm long, snow white excepting faint purple markings in the throat, with tiny atoms of yellow glandular exudate without. Filaments white, anthers purple basally. Nutlet 2-2.5 mm long, narrowly obovate in outline, light brown, longitudinally striate, in some part sometimes somewhat striate-reticulate, rounded summit wrinkled" (Godfrey and Wooten, 1981).
Diagnostic Characteristics: Macbridea alba may be characterized by a white corolla with faint purplish markings in the throat (Godfrey and Wooten, 1981).
Duration: PERENNIAL
Reproduction Comments: The family is primarily bee pollinated (Proctor & Yeo 1973, p. 219).
Palustrine Habitat(s): Bog/fen, HERBACEOUS WETLAND
Terrestrial Habitat(s): Savanna
Habitat Comments: Grassy vegetation on poorly drained, infertile sandy peat soils of the Florida Gulf coastal lowlands near the mouth of the Apalachicola River. Also in seepage bogs and savannas and, sparingly, on drier sites with longleaf pine and runner oaks. (Based on Ward 1979.)
Economic Attributes Not yet assessed
Help
Management Summary
Help
Stewardship Overview: Encourage U.S. Forest Service to protect/preserve this species through use of selective forestry practices where populations occur and continued controlled burn program to maintain the habitat (Godt et al. 2004). Burn flatwoods every 2 - 3 years (Chafin 2000). Avoid conversion of flatwoods to pine plantation as canopy closure and mechanical site preparation kills this species (Chafin 2000).
Management Requirements: Burn flatwoods every 2 - 3 years (Chafin 2000). Avoid conversion of flatwoods to pine plantation as canopy closure and mechanical site preparation kills this species (Chafin 2000).

Population/Occurrence Delineation
Help
Group Name: Endemic species of Apalachicola river lowlands-EOSPECS

Minimum Criteria for an Occurrence: Any naturally occurring population of 3 or more individuals
Separation Barriers: Barriers for this species include dense shrub thickets, pine plantations, fire-suppressed flatwoods, developed areas.
Separation Distance for Unsuitable Habitat: 1 km
Separation Distance for Suitable Habitat: 1 km
Alternate Separation Procedure: N/A
Date: 19Sep2003
Author: Norden, A.H. and L.G. Chafin
Population/Occurrence Viability
Help
Justification: Use the Generic Guidelines for the Application of Occurrence Ranks (2008).
The Key for Ranking Species Occurrences Using the Generic Approach provides a step-wise process for implementing this method.

Key for Ranking Species Element Occurrences Using the Generic Approach (2008).
U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
Help
Authors/Contributors
Help
NatureServe Conservation Status Factors Edition Date: 09Apr2012
NatureServe Conservation Status Factors Author: D. L. White (1988), rev. C. Nordman (2012).
Management Information Edition Date: 09Apr2012
Management Information Edition Author: Nordman, C.
Element Ecology & Life History Edition Date: 30Jun1992

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
  • Chafin, L. G. 2000. Field guide to the rare plants of Florida. Florida Natural Areas Inventory, Tallahassee. [http://www.fnai.org/FieldGuide/]

  • Godfrey, R.K., and J.W. Wooten. 1981. Aquatic and wetland plants of southeastern United States: Dicotyledons. Univ. Georgia Press, Athens. 933 pp.

  • Godt, M.J.W., J. Walker, and J.L. Hamrick. 2004. Allozyme diversity in Macbridea alba (Lamiaceae), an endemic Florida mint. Journal of Heredity 95: 244249. Online. Available: http://jhered.oxfordjournals.org/content/95/3/244.full.pdf+html

  • 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.

  • RADFORD, A., H. AHLES AND C. BELL. 1968 MANUAL OF THE VASCULAR FLORA OF THE CAROLINAS. THE UNIVERSITY OF NORTH CAROLINA PRESS CHAPEL HILL. 1183 PP + LXI.

  • Radford, A.E., H.E. Ahles, and C.R. Bell. 1968. Manual of the vascular flora of the Carolinas. Univ. North Carolina Press, Chapel Hill, NC. 1183 pp.

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

  • U.S. Fish and Wildlife Service. 1990. Proposed threatened status for three Florida plants. Federal Register 55(243): 51936-51940.

  • U.S. Fish and Wildlife Service. 1992. Threatened status for three Florida plants. Federal Register 57(90): 19813-19819.

  • WARD, D.B. (ED). 1979. RARE AND ENDANGERED BIOTA OF FLORIDA, VOLUME 5: PLANTS. UNIVERSITY PRESSES OF FLORIDA, GAINESVILLE.

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

  • Ward, D.B., ed. 1979. Rare and endangered biota of Florida. Vol. 5: Plants. Univ. Presses of Florida, Gainesville.

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

Use Guidelines & Citation

Use Guidelines and Citation

The Small Print: Trademark, Copyright, Citation Guidelines, Restrictions on Use, and Information Disclaimer.

Note: All species and ecological community data presented in NatureServe Explorer at http://explorer.natureserve.org were updated to be current with NatureServe's central databases as of March 2018.
Note: This report was printed on

Trademark Notice: "NatureServe", NatureServe Explorer, The NatureServe logo, and all other names of NatureServe programs referenced herein are trademarks of NatureServe. Any other product or company names mentioned herein are the trademarks of their respective owners.

Copyright Notice: Copyright © 2018 NatureServe, 4600 N. Fairfax Dr., 7th Floor, Arlington Virginia 22203, U.S.A. All Rights Reserved. Each document delivered from this server or web site may contain other proprietary notices and copyright information relating to that document. The following citation should be used in any published materials which reference the web site.

Citation for data on website including State Distribution, Watershed, and Reptile Range maps:
NatureServe. 2018. NatureServe Explorer: An online encyclopedia of life [web application]. Version 7.1. NatureServe, Arlington, Virginia. Available http://explorer.natureserve.org. (Accessed:

Citation for Bird Range Maps of North America:
Ridgely, R.S., T.F. Allnutt, T. Brooks, D.K. McNicol, D.W. Mehlman, B.E. Young, and J.R. Zook. 2003. Digital Distribution Maps of the Birds of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Bird Range Maps of North America:
"Data provided by NatureServe in collaboration with Robert Ridgely, James Zook, The Nature Conservancy - Migratory Bird Program, Conservation International - CABS, World Wildlife Fund - US, and Environment Canada - WILDSPACE."

Citation for Mammal Range Maps of North America:
Patterson, B.D., G. Ceballos, W. Sechrest, M.F. Tognelli, T. Brooks, L. Luna, P. Ortega, I. Salazar, and B.E. Young. 2003. Digital Distribution Maps of the Mammals of the Western Hemisphere, version 1.0. NatureServe, Arlington, Virginia, USA.

Acknowledgement Statement for Mammal Range Maps of North America:
"Data provided by NatureServe in collaboration with Bruce Patterson, Wes Sechrest, Marcelo Tognelli, Gerardo Ceballos, The Nature Conservancy-Migratory Bird Program, Conservation International-CABS, World Wildlife Fund-US, and Environment Canada-WILDSPACE."

Citation for Amphibian Range Maps of the Western Hemisphere:
IUCN, Conservation International, and NatureServe. 2004. Global Amphibian Assessment. IUCN, Conservation International, and NatureServe, Washington, DC and Arlington, Virginia, USA.

Acknowledgement Statement for Amphibian Range Maps of the Western Hemisphere:
"Data developed as part of the Global Amphibian Assessment and provided by IUCN-World Conservation Union, Conservation International and NatureServe."

NOTE: Full metadata for the Bird Range Maps of North America is available at:
http://www.natureserve.org/library/birdDistributionmapsmetadatav1.pdf.

Full metadata for the Mammal Range Maps of North America is available at:
http://www.natureserve.org/library/mammalsDistributionmetadatav1.pdf.

Restrictions on Use: Permission to use, copy and distribute documents delivered from this server is hereby granted under the following conditions:
  1. The above copyright notice must appear in all copies;
  2. Any use of the documents available from this server must be for informational purposes only and in no instance for commercial purposes;
  3. Some data may be downloaded to files and altered in format for analytical purposes, however the data should still be referenced using the citation above;
  4. No graphics available from this server can be used, copied or distributed separate from the accompanying text. Any rights not expressly granted herein are reserved by NatureServe. Nothing contained herein shall be construed as conferring by implication, estoppel, or otherwise any license or right under any trademark of NatureServe. No trademark owned by NatureServe may be used in advertising or promotion pertaining to the distribution of documents delivered from this server without specific advance permission from NatureServe. Except as expressly provided above, nothing contained herein shall be construed as conferring any license or right under any NatureServe copyright.
Information Warranty Disclaimer: All documents and related graphics provided by this server and any other documents which are referenced by or linked to this server are provided "as is" without warranty as to the currentness, completeness, or accuracy of any specific data. NatureServe hereby disclaims all warranties and conditions with regard to any documents provided by this server or any other documents which are referenced by or linked to this server, including but not limited to all implied warranties and conditions of merchantibility, fitness for a particular purpose, and non-infringement. NatureServe makes no representations about the suitability of the information delivered from this server or any other documents that are referenced to or linked to this server. In no event shall NatureServe be liable for any special, indirect, incidental, consequential damages, or for damages of any kind arising out of or in connection with the use or performance of information contained in any documents provided by this server or in any other documents which are referenced by or linked to this server, under any theory of liability used. NatureServe may update or make changes to the documents provided by this server at any time without notice; however, NatureServe makes no commitment to update the information contained herein. Since the data in the central databases are continually being updated, it is advisable to refresh data retrieved at least once a year after its receipt. The data provided is for planning, assessment, and informational purposes. Site specific projects or activities should be reviewed for potential environmental impacts with appropriate regulatory agencies. If ground-disturbing activities are proposed on a site, the appropriate state natural heritage program(s) or conservation data center can be contacted for a site-specific review of the project area (see Visit Local Programs).

Feedback Request: NatureServe encourages users to let us know of any errors or significant omissions that you find in the data through (see Contact Us). Your comments will be very valuable in improving the overall quality of our databases for the benefit of all users.