IDENTIFIERS

  • Current Taxon Name (Soil Name): Lecoma
  • OSD
  • Series Extent
  • User Site ID: 2007MO203053M
  • User Pedon ID: 2007MO203053M
  • Vegetation Plot ID: 2007MO203053
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - MCL
  • Lab Pedon # - M0720353
  • NCSS Pedon Lab Data NASIS Record ID - 26298
  • Print Date: 12/6/2025

    • LOCATION

  • Location In Web Soil Survey
  • AOI is roughly a square mile and pedon is marked in the center.
  • Location in SoilWeb
  • Location in Google Maps
  • Std. Latitude: 37.3344861
  • Std. Longitude: -91.4800250
  • Datum: WGS84
  • Township: T31N
  • Range: R5W
  • Section: 34
  • PLSS Details: 4420 feet W and 770 feet N of the SE corner
  • Country: US—United States
  • State: Missouri
  • County: MO203—Shannon
  • MLRA: 116A—Ozark Highland
  • Non-MLRA Soil Survey Area: MO613—Shannon County, Missouri, North & West Parts
  • 7.5 Minute USGS Quad: 37091-C4—Round Spring, Missouri

    • PEDON

  • Describers Name: Jennifer Pellett, Dennis Meinert, Leon Thompson
  • Current Taxonomic Class: Fine-loamy, siliceous, active, mesic Typic Hapludalfs
  • Current Taxon Kind: series
  • Pedon Type: not classified to current taxon name
  • Pedon Purpose: laboratory sampling site
  • Pedon #: 53
  • Correlated Information:
  • Soil Name - Lecoma
  • PSC - 51 to 101 cm.
  • Classificaton Date - 7/24/2012
  • Soil Taxonomic Edition - ninth edition
  • Moisture Class - aquic
  • Moisture Subclass - typic
  • Sampled As Information:
  • Soil Name - Zanoni
  • Taxonomic Class - Coarse-loamy, siliceous, active, mesic Ultic Hapludalfs
  • Taxon Kind - series
  • PSC - 51 to 101 cm.
  • Classificaton Date - 4/30/2007
  • Moisture Class - udic
  • Moisture SUBClass - typic
  • Dynamic Soil Properties:
  • Erosion Class - 0
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 3


    • SITE

  • Parent Material: loamy alluvium
  • Landscape: river valley
  • Landform: terrace
  • Geomorphic Component Hills: base slope
  • Geomorphic Component Terraces: tread
  • Hill Slope Profile: footslope
  • Slope Position: lower third
  • Slope Complexity: simple
  • Slope Shape Across: linear
  • Slope Shape Down: linear
  • Runoff: low
  • Drainage Class: well
  • Flooding: very rare flooding for extremely brief periods
  • Ponding: none ponding
  • Geology: Holocene Stage formation.
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 4/30/2007 (actual site observation date)
  • Air Photo ID: 37091c4nw
  • Surface Water Kind: flooded
  • Surface Water Depth: 15
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - tree cover
  • Site Obs. Cover Kind 2 - hardwoods
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion gully
    • Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    VIOLA

    Viola

    violet

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    —

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    Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    cambic horizon

    argillic horizon

    0—36

    36—51

    51—145

    —36—

    —15—

    —94—
    Setting and Climate
    Slope Slope Length USLE Upslope Length Elev. Corr. Elev Aspect MAP REAP FFD MAAT MSAT MWAT MAST MSST MWST MFFP PE Index Climate Station ID Climate Station Name Climate Station Type
    % m degrees mm mm C mm

    3

    —

    —

    223.7

    —

    9

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —
    Ap—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) broken face silt loam; 30 percent sand; 58 percent silt; 12 percent clay; weak fine subangular blocky structure; friable; 0.5 medium roots and 7.0 fine roots; 0.5 fine interstitial pores; fragments; clear smooth boundary. Lab sample # MU008555; observed in pit, small
    A—10 to 36 centimeters (3.9 to 14.2 inches); brown (10YR 4/3) broken face silt loam; 12 percent clay; weak fine subangular blocky, and moderate medium subangular blocky structure; friable; 0.5 medium roots and 3.0 fine roots; 0.5 fine interstitial pores; fragments; gradual smooth boundary. Lab sample # MU008556; observed in pit, small
    Bt1—36 to 64 centimeters (14.2 to 25.2 inches); brown (7.5YR 4/4) broken face silt loam; 35 percent sand; 45 percent silt; 20 percent clay; weak fine subangular blocky structure; friable; 3.0 fine roots; 0.5 very fine and fine tubular pores; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # MU008557; observed in pit, small
    Bt2—64 to 81 centimeters (25.2 to 31.9 inches); brown (7.5YR 4/4) broken face silt loam; 35 percent sand; 40 percent silt; 25 percent clay; moderate fine subangular blocky, and moderate medium subangular blocky structure; friable; 3.0 fine roots; 0.5 very fine and fine tubular pores; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; fragments; gradual smooth boundary. Lab sample # MU008558; observed in pit, small
    Bt3—81 to 114 centimeters (31.9 to 44.9 inches); brown (7.5YR 4/4) broken face silt loam; 30 percent clay; moderate medium subangular blocky structure; firm; 0.5 fine roots; 0.5 very fine and fine tubular pores; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; fragments; abrupt smooth boundary. Lab sample # MU008559; observed in pit, small
    Bt4—114 to 145 centimeters (44.9 to 57.1 inches); brown (7.5YR 4/4) broken face silt loam; 30 percent clay; moderate medium subangular blocky, and weak fine prismatic structure; firm; 0.5 fine roots; 0.5 very fine tubular pores; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; fragments; clear smooth boundary. Lab sample # MU008560; observed in pit, small
    Bt5—145 to 188 centimeters (57.1 to 74.0 inches); brown (10YR 4/3) broken face silt loam; 25 percent clay; moderate medium subangular blocky, and weak fine prismatic structure; very firm; 0.5 medium roots and 0.5 fine roots; 3.0 very fine and fine tubular pores; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; fragments; abrupt smooth boundary. Lab sample # MU008561; observed in pit, small
    Bt6—188 to 218 centimeters (74.0 to 85.8 inches); brown (10YR 4/3) broken face silt loam; 25 percent clay; moderate medium subangular blocky, and weak medium prismatic structure; very firm; 3.0 fine roots; 1 percent faint brown (7.5YR 4/3), moist, clay films on all faces of peds; 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix and 1 percent medium faint irregular noncoherent cemented light brownish gray (10YR 6/2), moist, iron depletions with clear boundaries in matrix; fragments. Lab sample # MU008562; observed in pit, small