University of Idaho College of Agricultural and Life Sciences Plant, Soil & Entomological Sciences Soil & Land Resources
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Mollisols
SUBORDERS

Albolls - wet Mollisols with a light- colored horizon formed through Fe reduction

Aquolls - Mollisols with a water table at or near the surface for much of the year

Rendolls - shallow Mollisols over calcareous parent material

Gelolls - Mollisols of very cold cimates (mean annual soil temperature <0°C)

Cryolls - Mollisols of cold climates

Xerolls - temperate Mollisols with very dry summers and moist winters

Ustolls - Mollisols of semiarid and subhumid climates

Udolls - Mollisols of humid climates

Click here to view suborder diagram

Click on map to view larger image
  Examples:
1. Typic Endoaquoll
Nebraska
2. Argialboll
South Dakota
3. Typic Argiudoll
Iowa
4. Udoll-Aquoll landscape
central Iowa
5. Typic Argiustoll
southeastern South Dakota
6. Rendoll
Minnesota
7. Cryoll landscape
Lemhi Co., ID
8. Pachic Argicryoll
Lemhi Co., ID
9. Argixeroll landscape
Nez Perce Co., ID
10. Lithic Argixeroll
Nez Perce Co., ID
11. Haploxeroll landscape
Teton Co., ID
12. Calcic Haploxeroll
Teton Co., ID
13. Haploxeroll landscape
Latah Co., ID
14. Pachic Ultic Haploxeroll
Latah Co., ID
15. Argixeroll landscape
Benewah Co., ID
16. Oxyaquic Argixeroll
Benewah Co., ID
If you have any comments, suggestions, or questions about the 12 Soil Orders web site,
please contact Dr. Paul McDaniel  at the Soil Science Division,
University of Idaho, Moscow, ID 83844-2339.