Comprehensive Report: Record 1 of 1 selected.
See All Search Results
<< Previous | Next >>

Quercus hinckleyi - C.H. Muller
HINCKLEY'S OAK
Heritage Identifier: PDFAG050X0
 Informal Taxonomy: Plants, Vascular - Flowering Plants - Dicots - Other Dicots

Kingdom Phylum Class Order Family Genus
PLANTAE ANTHOPHYTA DICOTYLEDONEAE FAGALES FAGACEAE QUERCUS

Taxonomic Comments: A distinct species in a genus of 500 or so species throughout the Northern Hemisphere.

Conservation Status

   Heritage Status

Global Heritage Status Rank: G2 (01Jan1996)
Rounded Global Heritage Status Rank: G2
Global Heritage Status Rank Reasons:
  Currently known with certaintly only from west Texas, where there are about 12 occurrences, primarily located on 1 unusual geologic formation.

Nation: United States
  National Heritage Status Rank: N2 (17Dec1994)

U.S. & Canada State/Province Heritage Status Ranks
United States Texas (S2)

   Other Statuses

Status under the U.S. Endangered Species Act: LT (26Aug1988)
U.S. Fish & Wildlife Service Lead Region: R2


Distribution

State/Province
Conservation Status Rank
     
SX: Presumed Extirpated
     
SH: Possibly Extirpated
     
S1: Critically Imperiled
     
S2: Imperiled
     
S3: Vulnerable
     
S4: Apparently Secure
     
S5: Secure
     
SR: Reported
     
SZ: Migratory
Transient
     
SE: Exotic
     
S?: Unranked
     
 Under Review
     
SU: Unrankable

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

Rank Factors

Economic Attributes
Management Summary

Ecology & Life History
Description: An evergreen shrub that forms thickets, up to 1.2 m tall. Leaves are distinctly gray-green and spiny-tipped. Acorns are produced annually in late August and early September. Preserved leaves from packrat middens indicate that this was a wider-ranging species of pine-oak-juniper woodlands 15,000 years ago.

Permanence: Relatively permanent.

Habitat Comments: Arid, rocky, limestone-derived soils or limestone outcrops at mid-elevations in Chihuahuan Desert shrublands. 1350 m.

Authors/Contributors
Global Ranking Factors Edition Date: 27Feb1985
Global Ranking Factors Author: Brown,B.A., rev. Poole/Maybury (1996)
Botanical data developed by The Association for Biodiversity's Central Botany group, in cooperation with U.S. Natural Heritage Programs and Canadian Conservation Data Centers, The North Carolina Botanical Garden, and other contributors and cooperators.
References
  • Bacon, J.R. 1989. A report on the project "Germination and establishment phase biology of the Hinckley oak (Quercus hinckleyi). Report submitted to the Texas Parks and Wildlife Dep't., Austin, Texas.

  • Correll, D.S., and M.C. Johnston. 1970. Manual of the vascular plants of Texas. Texas Research Foundation, Renner. 1881 pp.

  • Kartesz, J.T. 1993. Species distribution data for vascular plants of 70 geographical areas, from unpublished data files at the North Carolina Botanical Garden, July, 1993.

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

  • Kartesz, J.T. 1996. Species distribution data at state and province level for vascular plant taxa of the United States, Canada, and Greenland (accepted records), from unpublished data files at the North Carolina Botanical Garden, December, 1996.

  • Lowe, D.W., J.R. Matthews, and C.J. Moseley, eds. 1990. The official World Wildlife Fund guide to endangered species of North America. Beacham Publishing, Washington, D.C. 1180 pp.

  • Miller, D.J., and A.M. Powell. 1982. Status report [on Quercus hinckleyi]. Report prepared for the U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

  • Muller, C.H. 1951. The oaks of Texas. Contributions Texas Research Foundation 1(3): 21-311.

  • Poole, J.M., and D.H. Riskind. 1987. Endangered, threatened, or protected native plants of Texas. Texas Parks and Wildlife Dep't., Austin. Looseleaf binder, no pagination.

  • Powell, A.M. 1988. Trees and shrubs of Trans-Pecos Texas, including Big Bend and Guadalupe Mountains National Parks. Big Bend Natural History Association, Big Bend National Park, Texas. 536 pp.

  • Rutman, S. 1987. Endangered and threatened wildlife and plants; Proposed threatened status for Quercus hinckleyi (Hinckley oak). Federal Register 52(179): 34966-34969.

  • U.S. Fish and Wildlife Service. 1988. Determination of threatened status for Quercus hinckleyi (Hinckley oak). Federal Register 53(166): 32824-32827.

  • U.S. Fish and Wildlife Service. 1992. Hinckley oak recovery plan (Quercus hinckleyi). U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

  • Van Devender, T.R. 1986. Pleistocene climates and endemism in the Chiluahuan Desert flora. Pp. 1-19 in Second symposium on the resources of the Chilhuahuan Desert region.

  • Van Devender, T.R., C.E. Freeman, and R.D. Worthington. 1978. Full-glacial and recent vegetation of the Livingston Hills, Presidio County, Texas. Southwest Naturalist 23: 289-302.

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

Note: Data presented in NatureServe Explorer at http://www.natureserve.org/explorer were updated to be current with NatureServe's central databases as of November 1, 2001.
Note: This report was printed on .

Trademark Notice: "NatureServe", 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 © 2001 NatureServe, 1101 Wilson Boulevard, 15th Floor, Arlington Virginia 22209, 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:
NatureServe Explorer: An online encyclopedia of life [web application]. 2001. Version 1.6 . Arlington, Virginia, USA: NatureServe. Available: http://www.natureserve.org/explorer. (Accessed:

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. Refer to the Natural Heritage Network Directory available at http://www.NatureServe.org for contact information for each program office.

Feedback Request: Using the comment form , please note any errors or significant omissions that you find in the data. Your comments will be very valuable in improving the overall quality of our databases for the network of users.

Copyright 2001
NatureServe
Version 1.6 (03 December 2001)
Data last updated: November 2001
Review conservation status rank information and national statuses for the selected record. Review summary information on the selected record. See distribution map and review related information. Review all information available on selected record