Missouri Department of Conservation
Missouri Department of Conservation

Taxonomy

Common Name: LARGE WHORLED POGONIA

Phylum: MAGNOLIOPHYTA

Class: LILIOPSIDA

Order: ORCHIDALES

Family: ORCHIDACEAE

Genus: ISOTRIA

Species: VERTICILLATA

Taxonomic Authority: (MUHL. EX WILLD.) RAF.

Taxonomy References: 001

Status

STATE RANK S1S2
GLOBAL RANK G5

Status References: 006

Habitat Summary

"Occurs in acid soil on wooded slopes and on level terraces adjacent to streams."

Primary Habitat: "Forest- upland"

References: 002 , 003 , 005

Distribution

General Occurrence in State:

"Occurs in the southeast 1/4 of the state *02*."

County Occurance

County Occurence
Known Likely Unknown Not Likely Historic Extirpated
OREGON BUTLER
ST. FRANCOIS
STE. GENEVIEVE
STODDARD

References for distribution: 002 , 003 , 004 , 005

Distribution by Watersheds

Miss. R. from River Aux Vases to Ohio R.
St. Francis R. from Headwaters to Wappapello Dam
Little R.
Eleven Point R.

Comments: ""

Distribution by Ecoregions

Comments: ""

Distribution by Potential Natural Vegetation

Oak-Hickory Forest
Southern Floodplain Forest

Distribution by Natural Divisions of Missouri

Ozark Border: Mississippi River
Ozark: Lower Ozark
Mississippi Lowlands: Crowley's Ridge

Habitat Associations

Species is associated with "Terrestrial" habitats.

National Wetlands Inventory Association:

Aquatic Associations:

References for Aquatic Associations:

Habitat Types:

Mature Oak-Hickory (9" + dbh, open understory)
Mature Oak-Hickory: (9" + dbh, dense understory)

References for Habitat Types: 002 , 003 , 005

Terrestrial Natural Communities:

Forest
Upland forest
Dry Forest
Dry-Mesic Forest
Mesic Forest
Upland Chert Forest
Dry Chert Forest
Dry-Mesic Chert Forest
Upland Sandstone Forest
Dry Sandstone Forest
Mesic Sandstone Forest

References for Terrestrial Natural Communities: 002 , 003 , 005

Food Habits

Trophic Level:

""

Larval Food Habits

Comments for larval food habits:
""

References for larval food habits:

Juvenile Food Habits

Comments for Juvenile Food Habits:
""

References Juvenile Food Habits

Adult Food Habits

Comments for Adult Food Habits:
""

References Adult Food Habits

Niche Requirements

Egg Niche Requirements

References for egg niches requirements:

Feeding Larvae Niche Requirements

References for feeding larvae niche requirements:

Resting Larvae Niche Requirements

References for resting Larvae niche requirements:

Feeding Juvenile Niche Requirements

References for feeding juvenile niche requirements:

Resting Juvenile Niche Requirements

References for resting juvenile niche requirements:

Breeding Adult Niche Requirements

References for feeding Adult niche requirements:

Feeding Adult Niche Requirements

References for feeding adult niche requirements:

Resting Adult Niche Requirements

References for resting adult niche requirements:

Niche Requirement Summary

General habitat association specified in comments(00270)
Soil type specified in comments(00300)

Comments about Life History:

Code Comment
045 Are pollinated by small bees *002*.
003 Associates include ilex verticillata, pinus spp., acer spp., platanthera ciliaris, quercus spp. *003*, and rhododendron prinophyllum *007*.

Life History Information

Duration of plant:perennial
Pollination by:insects
Pollination by:see comments(045)
Life form:herb
Flowering period begins: April
Flowering period ends: May
Fruiting period begins: June
Fruiting period ends: August
Origin in state: native
Closely associated plant or animal species specified in comments(003)

Comments about Life History:

Code Comment
045 Are pollinated by small bees *002*.
003 Associates include ilex verticillata, pinus spp., acer spp., platanthera ciliaris, quercus spp. *003*, and rhododendron prinophyllum *007*.

References for life history: 002 , 003 , 005 , 007

Management

Beneficial Management Practices:

Forest - prohibit grazing
Forest - other (specify in comments)

Beneficial Management References: 007

Adverse Managment Practices:

Forest - uncontrolled grazing of domestic livestock
Forest - soil disturbance

Adverse Management References: 007

Comments on Management:
Beneficial to maintain the forest canopy. should provide protection from grazing/trampling by livestock, or from other soil disturbance such as atv use *07*.

References for Management Comments: 007

References

Reference Code Citation
001 Yatskievych, G. and J. Turner. 1990. Catalogue Of The Flora Of Missouri. Monographs In Systemic Botany From The Missouri Botanical Garden, V.37. 345 Pp.
002 Yatskievych, G. 1999. Steyermark's Flora Of Missouri, Volume I (Revised Edition). Missouri Dept. Of Conservation And Missouri Botanical Garden Press. St. Louis, Mo. 991 Pp.
003 Unpb Flora Of Missouri Database. G. Yatskievych, Missouri Botanical Garden, P.O. Box 299, St. Louis, Mo 63166-0299. 314-577-9522.
004 Unpb Missouri Department Of Conservation Heritage Database. P.O. Box 180, Jefferson City, Mo 65102 573-751-4115.
005 Summers, B.1996. Missouri Orchids, 3rd Ed. Missouri Dept. Of Conservation Natural History Series, No. 1. Mo Dept. Of Conservation, Jefferson City, Mo. 112 Pp.
006 Missouri Natural Heritage Program. 2004. Missouri Species and Communities of Conservation Concern Checklist. Missouri Department Of Conservation. Jefferson City, Missouri. 47 Pp.
007 Unpb Smith, T.E. Missouri Dept. Of Conservation, P.O. Box 180, Jefferson City, M0 65102. 573-751-4115.