2012 Glen Ellen Data

SMI has been establishing baseline data for the Glen Ellen property.

Plot 1

 Non-Native Annual Grass

  • Bromus diandrus (ripgut brome) 50-75%
  • Lolium multiflorum (annual ryegrass)1-5%
  • Hordeum murinum (false barley)<1%
  • Avena barbata (slender wild oats)<1%
  • Bromus hordeaceus (softchess)<1%

Non-Native Annual Forb

  • Vicia sativa (vetch) 1-5%
  • Raphanus sativa (radish) 1-5%
  • Hypochaeris radiata (false-dandelion) 1-5%
  • Geranium dissectum (storksbill) <1%
  • Silybum murianum (milk thistle) <1%
  • Medicago polymorpha (bur medic) <1%
  • Rumex cuispus (curley doc) <1%
  • Carduus acanthoides (Italian thistle) <1%
  • Cirsium vulgare (bull thistle) <1%
  • Picuis echioides (bristly ox-tongue) <1%

Native Grass

  • Bromus carinatus (California brome) <1%
  • Elymus glaucus (blue wild-rye) rare

 Native Perennial Forb

  • Galium aparine (bedstraw) <1%

 

Plot 2

 Non-Native Annual Grass

  • Bromus diandrus (ripgut brome) 5-15%
  • Avena barbata (slender wild rye) 5-15%
  • Bromus hordeaceus (softchess) 5-15%
  • Lolium multiflorum (annual ryegrass) 5-15%
  • Hordeum murinum (false-barley) <1%

Native Grass

  • Elymus glaucus (blue wild rye) 5-15%
  • Bromus carinatus <1%

Non-Native Annual Forb

  • Vicia sativa (vetch) 1-5%
  • Geranium dissectum (storksbill) 1-5%
  • Carduus acanthoides (Italian thistle) <1%
  • Silybum marianum (milk thistle) <1%

Non-Native Perennial Forb

  • Convulvulus sp. (bindweed) 1-5%
  • Cirsium vulgare (bull thistle) <1%
  • Tragopogon porrifolius (salsify) rare

 

Plot 3

Non-Native Annual Grass

  • Bromus diandrus (ripgut brome) 1-5%
  • Bromus hordeaceus (softchess) 1-5%
  • Avena barbata (slender wild oats) <1%
  • Lolium multiflorum (annual ryegrass) <1%

Non-Native Annual Forb

  • Carduus acanthoides (Italian thistle) >75%
  • Silybum marianum (milk thistle) 25-50%
  • Brassica nigra (black mustard) 1-5%
  • Geranium dissectum (storksbill) <1%
  • Hypochaeris radiata (false-dandelion) <1%
  • Medicago polymorpha (bur medic) <1%

Non-Native Perennial Forb

  • Rumex crispus (curly dock) <1%

Native Perennial Forb

  • Eschscholzia californica (California poppy) <1%

 

Plot 4

 Non-Native Annual Grass

  • Bromus diandrus (ripgut) 1-5%
  • Bromus hordeaceus (softchess) 1-5%
  • Lolium multiflorum (annual ryegrass) 1-5%
  • Hordeum murinum (false-barley) <1%
  • Avena barbata (slender wild oats) <1%

Non-Native Annual Forb

  • Geranium dissectum (storksbill) 1-5%
  • Vicia sativa (vetch) <1%

Non-Native Perennial Forb

  • Convulvulus arrensis (bindweed) 1-5%
  • Rumex crispis (curly dock) <1%
  • Tragopogon porrifolius (salsify) rare

Non-Native Perennial Grass

  • Festuca arundanacea (tall fescue) >75%

Native Grass

  • Hordeum brachyantherium (meadow barley) rare

Native Perennial Forb

  • Galium aparine (bedstraw) <1%

 

Plot 5

Non-Native Annual Grass

  • Bromus diandrus (ripgut) 1-5%
  • Avena barbata (slender wild oats) <1%
  • Briza minor (rattlesnake grass) <1%

Non-Native Annual Forb

  • Torilis nedosa (hedge parsley) <1%
  • Geranium dissectum (storksbill) <1%
  • Vicia sativa (vetch) <1%
  • Sonchus asper (sow thistle) <1%
  • Carduus acanthoides (Italian thistle) <1%

Non-Native Perennial Forb

  • Hypochaeris radiata <1%
  • Ranunculus spp. <1%

Native Grass

  • Agrostis sp. (spike bent grass) 25-50%
  • Bromus carinatus (California brome) 5-15%
  • Elymus glaucus (blue wild rye) 1-5%
  • Luzula comosa (woodrush) <1%
  • Melica torreyana (Torrey’s melic) <1%

Native Perennial Forb

  • Perideridia kelloggii (Kellogg’s yampah) 15-25%
  • Epilobium canum (California fuschia) 1-5%
  • Chlorogalum pomeridianum (soaproot) 1-5%
  • Triteleia laxa (Ithuriel’s spear) <1%
  • Pentagramma triangularis (golden back fern) <1%

Native Annual Forb

  • Clarkia sp. (Clarkia) <1%
  • Fragaria sp. (strawberry) <1%
  • Hemizonia congesta (tarweed) <1%

Native Woody

  • Toxicodendron diversilobum (poison oak) 1-5%
  • Quercus garryana (Oregon white oak) <1%
  • Quercus agrifolia  (coast live oak) <1%
  • Prunus subcordata (Sierra plum) <1%

 

Plot 6

 Non-Native Annual Grass

  • Cynosurus echinatus (dogtail grass) 15-25%
  • Avena barbata (slender wild oats) <1%
  • Bromus diandrus (ripgut brome) <1%

Non-Native Annual Forb

  • Torilis nodosa (hedge parsley) 1-5%
  • Carduus acanthoides (Italian thistle) <1%
  • Geranium dissectum (storksbill) <1%

Non-Native Perennial Forb

  • Rumex crispus (curly dock) <1%
  • Hypochaeris radiata (false-dandelion) <1%

Native Grass

  • Elymus glaucus (blue wild rye) 15-25%
  • Bromus carinatus (California brome) 15-25%
  • Carex praegecillis (field sedge) 1-5%
  • Melica torreyana (Torrey’s melic) 1-5%
  • Juncus patens (common rush) <1%
  • Bromus laevipes (woodland brome) <1%

Native Annual Forb

  • Madia sativa (coast tarweed) 1-5%
  • Fragaria sp. (wild strawberry) <1%

Native Perennial Forb

  • Pteridium aquilinum (western brackenfern) 5-15%
  • Whipplea modesta (yerba de selva) 1-5%
  • Gallium aparine (bedstraw) <1%
  • Stachys ajugoides (hedge nettle) <1%

Native Woody

  • Toxicodendron (poison oak) 15-25%
  • Prunus subcordata (Sierra plum) 1-5%
  • Symphoricarpos alba (snowberry) 1-5%
  • Quercus agrifolia (coast live oak) 1-5%
  • Baccharis pilularis (coyote brush) 1-5%
  • Quercus garryana (Oregon white oak) <1%
  • Umbellularia californica (California bay-laurel) <1%

Non-Native Woody

  • Rhumus discolor (Himalayan blackberry) 1-5%

 

Soil Food Web results

Charts of vegetation distribution in plots (click for larger)

Plot-Charts

Soil Chemistry Results