Species management guide for Eriogonum microthecum Nuttall var. johnstonii Reveal

64 Pages·1997·2.2 MB·English

by  Mistretta, Orlando

Historic, Archive Document
Do not assume content reflects current
scientific knowledge, policies, or practices.

Reserve
aQK495
. P78M57
1997
In Cooperation With Species Management Guide
LOL>A
Rancho Santa Ana
Botanic Garden
for
United States
Department of
Eriogonium microthecum Nutfall
Agriculture
var. johnstonii Reveal
Forest Service
Pacific
Southwest
Region
Angeles
National
Forest
Technical Report
1996
United States
Department of
Agriculture
National
Agricultural
Library
Advancing Access to
Global Information for
Agriculture

Species Management Guide
for
Eriogonum microthecum Nuttall
var. johnstonii Reveal
Angeles National Forest
January 1997
Prepared by:
Botanist, Rancho Santa Ana Botanic Garden
c-,
o ^/\yj cn
William I/Brown Jr. Date
'
Forest Biologist
(hjuuxo Q
Reviewed by:
Resource Staff Officer Date

I. Introduction.2
n.
Biological Information.3
A. Description.3
B. Look-alikes.5
C. Distribution and Habitat.5
D. Endangerment Status...6
E. Nomenclatural History.7
F. Natural History.7
1. Background information.7
2. Reproduction/breeding system.7
3. Growth and longevity.8
4. Dispersal.8
5. Population Demographics.8
6. Predators and pathogens.8
III. Effect of Land Use Activities.9
Historical Context.9
IV. Survey Information.11
A. Plants Survey results.11
B. Distribution maps and Specific Locality Data.12
C. Threats.12
V. Management Direction.13
VI. Action Plan.15
VII. References.17
Table I. Summary of Known Localities.18
Table n. Summary of Herbarium collections.19
Appendix I. Specific Locality Data and Maps.20
Appendix II. Codes and Abbreviations 27