| Angelica venenosa |
| Hairy angelica |
Key Characteristics
Stout perennial (up to 2 m) of open oak forests; leaves compound, leaflets 1-3 cm broad; flowers white, in large flat-topped umbels.
Status and Rank
- State Status: SC - Special Concern (rare or uncertain; not legally protected)
- State Rank: S3 - Vulnerable
- Global Rank: G5 - Secure
Occurrences
| County Name | Number of Occurrences | Year Last Observed |
|---|---|---|
| Calhoun | 1 | 1898 |
| Clinton | 1 | 1941 |
| Genesee | 1 | 1876 |
| Ingham | 1 | 1948 |
| Jackson | 3 | 1978 |
| Kalamazoo | 3 | 1947 |
| Lapeer | 1 | 1956 |
| Lenawee | 4 | 1986 |
| Livingston | 5 | 1959 |
| Monroe | 5 | 2005 |
| Oakland | 7 | 1958 |
| Shiawassee | 2 | 1948 |
| Washtenaw | 6 | 1995 |
| Wayne | 5 | 2000 |
![Occurrence Map for [Sname]](/mnfi/maptmp/NFR_Distributions12590204435444.png)
Information is summarized from MNFI's database of rare species and community occurrences. Data may not reflect true distribution since much of the state has not been thoroughly surveyed.
Natural Community Types
Associated Plants
White oak, black oak, pignut hickory, sassafras, black cherry, huckleberry, New Jersey tea, hazelnut, witch-hazel, little bluestem, naked tick-trefoil, bracken fern, butterfly weed, blazing star, lupine, Indian grass, tall coreopsis, mountain mint, and prairie willow.
Management
This species likely requires disturbance such as prescribed fire to maintain openings. Soil disturbance also may be needed.
General Survey Guidelines
Random meander search covers areas that appear likely to have rare taxa, based on habitat and the judgment of the investigator.
Survey Methods
- Meander search
Survey Period: From first week of July to first week of September
References
Survey References
- Elzinga, C.L., D.W. Salzer, and J.W. Willoughby. 1998. Measuring and Monitoring Plant Populations. The Nature Conservancy and Bureau of Land Management, Denver. BLM Technical Reference 1730-1. 477pp.
- Goff, G.F., G.A. Dawson, and J.J. Rochow. 1982. Site examination for Threatened and Endangered plant species. Environmental Management 6(4): 307-316
- Nelson, J.R. 1984. Rare Plant Field Survey Guidelines. In: J.P. Smith and R. York. Inventory of rare and endangered vascular plants of California. 3rd Ed. California Native Plant Society, Berkeley. 174pp.
- Nelson, J.R. 1986. Rare Plant Surveys: Techniques For Impact Assessment. Natural Areas Journal 5(3):18-30.
- Nelson, J.R. 1987. Rare Plant Surveys: Techniques for Impact Assessment. In: Conservation and management of rare and endangered plants. Ed. T.S. Elias. California Native Plant Society, Sacramento. 8pp.
Technical References
- Gleason, H. A., and A. Cronquist. 1991. Manual of Vascular Plants of Northeastern United States and Adjacent Canada. Second edition. The New York Botanical Garden, Bronx. 910pp.
- Holmgren, N.H. 1998. Illustrated Companion to Gleason and Cronquist's Manual. Illustrations of the vascular plants of Northeastern United States and adjacent Canada. New York Botanical Garden, Bronx. 937pp.
- Swink, F. and G. Wilhelm. 1994. Plants of the Chicago Region, 4th ed. Indiana Academy of Science, Indianapolis. 921pp.
- Voss, E. G. 1985. Michigan Flora. Part II. Dicots (Saururaceae-Cornaceae). Bulletin of the Cranbrook Institute of Science and University of Michigan Herbarium. 724pp.