Appendix D: Map and Classification Crosswalk, 2005 to 2012.
Appendix D-a: Crosswalk between 2005 version of JOTR Vegetation Classification map and 2012 version of the map. (Arranged numerically by the 2005 PI code.)
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code 10020 California Juniper Woodland Alliance 10020 California Juniper (Juniperus californica) Woodland Alliance Muller Oak — California buckwheat — Narrowleaf goldenbush 10020 California Juniper Woodland Alliance 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum — Ericameria linearifolia) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10021 Juniperus californica / Coleogyne ramosissima - Yucca schidigera 10025 ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10025 Juniperus californica / Coleogyne ramosissima 10025 ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10029 Juniperus californica / Tetracoccus hallii 10025 ramosissima) Association California Juniper / Mojave Yucca / Big Galleta (Juniperus 10029 Juniperus californica / Tetracoccus hallii 10031 californica / Yucca schidigera / Pleuraphis rigida) Woodland Association Creosote Bush — White Bursage — Mojave Yucca (Larrea 10029 Juniperus californica / Tetracoccus hallii 27045 tridentata — Ambrosia dumosa — Yucca schidigera) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10030 Juniperus californica / Viguiera parishii - (Nolina bigelovii) 10025 1 ramosissima) Association
California Juniper / Mojave Yucca / Big Galleta (Juniperus 10031 Juniperus californica / Yucca schidigera - (Tetracoccus hallii) 10031 californica / Yucca schidigera / Pleuraphis rigida) Woodland Association Juniperus californica / (Coleogyne ramosissima - Yucca California Juniper / Blackbush (Juniperus californica / Coleogyne 10033 10025 schidigera) Super Association ramosissima) Association Juniperus californica / (Eriogonum fasciculatum / Achnatherum California Juniper / Blackbush (Juniperus californica / Coleogyne 10034 10025 speciosum) Super Association ramosissima) Association 10160 Pinus monophylla Woodland Alliance 10160 Single-leaf Pinyon Pine (Pinus monophylla) Woodland Alliance Singleleaf Pinyon Pine/Muller's Oak (Pinus monophylla/Quercus Single-leaf Pinyon Pine / Muller’s Oak (Pinus monophylla / 10161 10161 cornelius-mulleri) Woodland Association Quercus cornelius-mulleri) Woodland Association Pinus monophylla-(Juniperus californica) / Achnatherum Single-leaf Pinyon Pine / Muller’s Oak (Pinus monophylla / 10162 10161 speciosum Woodland Association Quercus cornelius-mulleri) Woodland Association 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13010 Joshua Tree (Yucca brevifolia) Woodland Alliance Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13012 ramosissima) Woodland Association Joshua Tree / Desert Almond (Yucca brevifolia / Prunus 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13014 fasciculata) Association Muller Oak — California buckwheat — Narrowleaf goldenbush 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum — Ericameria linearifolia) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 32013 Desert Almond (Prunus fasciculata) Association Catclaw Acacia — California buckwheat (Acacia greggii — 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 36018 Eriogonum fasciculatum) Association Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 13012 Yucca brevifolia / Coleogyne ramosissima 13012 ramosissima) Woodland Association Joshua Tree — California Juniper / Nevada Ephedra (Yucca Yucca brevifolia - Juniperus californica / (Coleogyne ramosissima 13015 13015 brevifolia — Juniperus californica / Ephedra nevadensis) - Yucca schidigera - Ephedra nevadensis) Super Association Woodland Association Joshua Tree / Creosote Bush — Mojave Yucca / Big Galleta Grass Yucca brevifolia / Larrea tridentata - (Yucca schidigera / 13016 13016 (Yucca brevifolia / Larrea tridentata — Yucca schidigera / Pleuraphis rigida) Super Association Pleuraphis rigida) Woodland Association Yucca brevifolia / (Ephedra nevadensis - Grayia spinosa - Lycium Joshua Tree / Big Galleta Grass (Yucca brevifolia / Pleuraphis 13021 13021 spp.) / Pleuraphis rigida Super Association rigida) Woodland Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / 15012 15013 Desert Willow (Chilopsis linearis) Association Acacia greggii) MAMU Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 15012 16013 Acacia greggii) MAMU florida / Larrea tridentata — Peucephyllum schottii) Association
2 Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis
15012 16015 Acacia greggii) MAMU emoryi) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde — Ironwood / Desert Lavender (Parkinsonia 15012 16025 Acacia greggii) MAMU florida — Olneya tesota / Hyptis emoryi) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 15012 16035 Acacia greggii) MAMU / Hyptis emoryi — Acacia greggii) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Creosote Bush — White Bursage — Desert Senna (Larrea 15012 27047 Acacia greggii) MAMU tridentata — Ambrosia dumosa — Senna armata) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / 15012 28110 Cheesebush (Ambrosia salsola) Shrubland Alliance Acacia greggii) MAMU Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Catclaw Acacia — Desert Almond (Acacia greggii — Prunus 15012 36016 Acacia greggii) MAMU fasciculata) Association Chilopsis linearis / (Prunus fasciculata- Acacia gregii) Super 15013 15013 Desert Willow (Chilopsis linearis) Association Association Chilopsis linearis / (Prunus fasciculata- Acacia gregii) Super Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis 15013 16015 Association emoryi) Association 15030 Salix laevigata Woodland Alliance 15030 Black Willow (Salix gooddingii) Woodland Alliance 15040 Fremont cottonwood 15040 Fremont Cottonwood (Populus fremontii) Forest Alliance 15112 Washington filifera / Salix exigua / Muhlenbergia rigens 15110 California Fan Palm (Washingtonia filifera) Woodland Alliance Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 16010 Blue Palo Verde 16013 florida / Larrea tridentata — Peucephyllum schottii) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 16013 Cercidium floridum / Larrea tridentata 16013 florida / Larrea tridentata — Peucephyllum schottii) Association Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis 16015 Cercidium floridum / Hyptis emoryi 16015 emoryi) Association 16015 Cercidium floridum / Hyptis emoryi 16016 Ironwood (Olneya tesota) Association Blue Palo Verde — Ironwood / Cholla (Parkinsonia florida — 16024 Olneya tesota / (Larrea tridentata - Encelia farinosa) Fan Type 16024 Olneya tesota / Cylindropuntia sp.) Association Blue Palo Verde — Ironwood / Desert Lavender (Parkinsonia 16025 Olneya tesota - (Cercidium floridum / Hyptis emoryi) Wash Type 16025 florida — Olneya tesota / Hyptis emoryi) Association Psorothamnus spinosus/ (Ephedra californica - Hymenoclea Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 16034 16035 salsola) broad low energy sandy wash type / Hyptis emoryi — Acacia greggii) Association Smoketree - (Desert-Lavender) - Catclaw Association Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 16035 (Psorothamnus spinosus/ (Hyptis emoryi) - Acacia greggii) 16035 / Hyptis emoryi — Acacia greggii) Association Association 16040 Prosopis glandulosa/Suaeda moquinii 16041 Honey Mesquite (Prosopis glandulosa) Association Honey Mesquite / Saltbush — Bush Seepweed (Prosopis 16040 Prosopis glandulosa/Suaeda moquinii 16043 glandulosa / Atriplex spp. — Suaeda moquinii) Association California Juniper / Muller Oak — Blackbush (Juniperus Quercus cornelius-mulleri - (Juniperus californica / Coleogyne
3 21233 10032 californica / Quercus cornelius-mulleri — Coleogyne
ramosissima) MAMU ramosissima) Woodland Association Muller Oak — California buckwheat — Narrowleaf goldenbush 21234 Quercus cornelius-mulleri - (Juniperus californica) MAMU 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum — Ericameria linearifolia) Association (Ephedra nevadensis - Pleurocoronis pluriseta - Encelia farinosa - Trixis californica - Bebbia juncea - Eriogonum fasiculatum - Creosote Bush — Brittlebush — Arrowleaf (Larrea tridentata — 24001 27059 Lycium andersonii - Acacia greggii) low elevation rocky mountain Encelia farinosa — Pleurocoronis pluriseta) Association type (Salazaria mexicana - Krameria spp. - Encelia farinosa - Hyptis Creosote Bush — White Bursage — White Rhatany (Larrea 27001 emoryi - Eriogonum fasiculatum - Hymenoclea salsola - Acacia 27034 tridentata — Ambrosia dumosa — Krameria grayi) Association greggii - Tetracoccus hallii) rivulets within desert pavement Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27010 Creosote bush Alliance 27031 dumosa) Association Larrea tridentata - (Ambrosia dumosa) - Hymenoclea salsola Low Creosote Bush — White Bursage — Desert Senna (Larrea 27011 27047 Energy Wash Type tridentata — Ambrosia dumosa — Senna armata) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top 27019 27019 Creosote Bush (Larrea tridentata) Association Type Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush / Big Galleta Grass (Larrea tridentata / Pleuraphis 27019 27021 Type rigida) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27019 27031 Type dumosa) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage — Mojave Yucca (Larrea 27019 27045 Type tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage — Desert Senna (Larrea 27019 27047 Type tridentata — Ambrosia dumosa — Senna armata) Association Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — Larrea tridentata Undifferentiated Playa and Sandy Dune Top 27019 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Type Sand Flats) Larrea tridentata - (Ambrosia dumosa) / Pleuraphis rigida Sandy Creosote Bush / Big Galleta Grass (Larrea tridentata / Pleuraphis 27021 27021 Type rigida) Association Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — Larrea tridentata - (Ambrosia dumosa) / Pleuraphis rigida Sandy 27021 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Type Sand Flats) Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — 27022 Larrea tridentata Clones 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Sand Flats) Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27031 Larrea tridentata - Ambrosia dumosa Generic - Fans & Slopes 27031 dumosa) Association Creosote Bush — White Bursage — Ocotillo (Larrea tridentata — 27031 Larrea tridentata - Ambrosia dumosa Generic - Fans & Slopes 27049
4 Ambrosia dumosa — Fouquieria splendens) Association Larrea tridentata - (Ambrosia dumosa) - Tetracoccus hallii - Creosote Bush — White Bursage — Mojave Yucca (Larrea 27043 27045 (Yucca schidigera) tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata - Ambrosia dumosa - Yucca schidigera - (Senna Creosote Bush — White Bursage — Mojave Yucca (Larrea 27045 27045 armata) Toe-slopes & Steeper Fans Type tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata - (Ambrosia dumosa - Viguiera parishii) Higher Creosote Bush — White Bursage — Jojoba (Larrea tridentata — 27046 27046 Elevation Type Ambrosia dumosa — Simmondsia chinensis) Association Creosote Bush - Burro Bush - (Spiny Senna - Indigo Bush) (Larrea Creosote Bush — White Bursage — Desert Senna (Larrea 27047 tridentata - Ambrosia dumosa (Senna armata, Psorothamnus 27047 tridentata — Ambrosia dumosa — Senna armata) Association schottii) Shrubland Association Creosote Bush — Brittlebush — Ocotillo (Larrea tridentata — 27056 Larrea tridentata - Encelia farinosa - Fouquieria splendens 27056 Encelia farinosa — Fouquieria splendens) Association Teddy-Bear cholla (Cylindropuntia bigelovii) Shrubland 27056 Larrea tridentata - Encelia farinosa - Fouquieria splendens 29051 Association Larrea tridentata - Encelia farinosa - (Ambrosia dumosa - mixed Creosote Bush — Brittlebush — White Bursage (Larrea tridentata 27057 27057 shrub) Super Alliance — Encelia farinosa — Ambrosia dumosa) Shrubland Association California Juniper / Blackbush (Juniperus californica / Coleogyne 28023 Coleogyne ramosissima - (mixed shrub) Super Association 10025 ramosissima) Association Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 28023 Coleogyne ramosissima - (mixed shrub) Super Association 13012 ramosissima) Woodland Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Joshua Tree / Creosote Bush — Mojave Yucca / Big Galleta Grass 28023 Coleogyne ramosissima - (mixed shrub) Super Association 13016 (Yucca brevifolia / Larrea tridentata — Yucca schidigera / Pleuraphis rigida) Woodland Association Creosote Bush — White Bursage — Jojoba (Larrea tridentata — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 27046 Ambrosia dumosa — Simmondsia chinensis) Association Creosote Bush — Brittlebush — White Bursage (Larrea tridentata 28023 Coleogyne ramosissima - (mixed shrub) Super Association 27057 — Encelia farinosa — Ambrosia dumosa) Shrubland Association Blackbush — Nevada Ephedra (Coleogyne ramosissima — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28023 Ephedra nevadensis) Association Desert sunflower — California Buckwheat — Jojoba (Viguiera 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Association Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28134 Ambrosia dumosa — Simmondsia chinensis) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 28023 Coleogyne ramosissima - (mixed shrub) Super Association 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Brittlebush —White Bursage (Encelia farinosa — Ambrosia 28033 Encelia farinosa Assoiciation 28033 dumosa) Association
5
Creosote Bush — Desert Holly (Larrea tridentata — Atriplex 28070 Desert holly 27023 hymenelytra) Shrubland Association 28080 Fourwing saltbush 28083 Four-Wing Saltbush (Atriplex canescens) Association Desert sunflower — California Buckwheat — Jojoba (Viguiera Viguiera parishii - (Ephedra nevadensis - Eriogonum fasiculatum - 28133 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Nolina bigelovii) high elevation rocky eastern mountains type Association 28171 Justicia californica - Hyptis emoryi 28171 Chuparosa (Justicia californica) Provisional Shrubland Alliance 28180 Tetracoccus hallii 28181 Hall's Tetracoccus (Tetracoccus hallii) Provisional Association 28203 Hyptis emoryi Association 28203 Desert Lavender (Hyptis emoryi) Association 28220 Round-leaved Rabbitbrush 28210 Rubber Rabbitbrush (Ericameria nauseosa) Shrubland Alliance Mojave Yucca — Blackbush (Yucca schidigera — Coleogyne 29032 Yucca schidigera - Coleogyne ramosissima 29032 ramosissima) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 29033 Yucca schidigera - Larrea tridentata - (Ambrosia dumosa) 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Mojave Yucca / Big Galleta Grass (Yucca schidigera / Pleuraphis 29034 Yucca schidigera / Pleuraphis rigida (Post Fire) 29034 rigida) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 29035 Yucca schidigera - Tetracoccus hallii 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Teddy-Bear cholla (Cylindropuntia bigelovii) Shrubland 29050 Teddy-bear cholla 29051 Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Acacia greggii - (Hymenoclea salsola - Larrea tridentata - Catclaw Acacia — (Sweetbush — Desert Lavender) (Acacia 36015 Peucephyllum schottii - Bebbia juncea - Ephedra californica) Low 36015 greggii — (Bebbia juncea — Hyptis emoryi)) Association elevation wash type Acacia greggii - (Lycium cooperi - Prunus fasiculatum) High Catclaw Acacia — Desert Almond (Acacia greggii — Prunus 36016 36016 elevation wash type fasciculata) Association Acacia greggii - (Viguiera parishii - Eriogonum fasiculatum) Creosote Bush — Brittlebush — Arrowleaf (Larrea tridentata — 36017 27059 Upland slopes type Encelia farinosa — Pleurocoronis pluriseta) Association Ambrosia dumosa - Senna armata - (Psorothamnus schottii) Creosotebush — White Bursage — Indigo Bush (Larrea tridentata 43013 27044 Eastern pediment type — Ambrosia dumosa — Psorothamnus arborescens) Association Desert sunflower — California Buckwheat — Jojoba (Viguiera Ambrosia dumosa - (Eriogonum fasiculatum - Lycium andersonii / 43014 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Pleuraphis rigida) Western mountain type Association Ambrosia dumosa - (Eriogonum fasiculatum - Lycium andersonii / Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 43014 28134 Pleuraphis rigida) Western mountain type Ambrosia dumosa — Simmondsia chinensis) Association Big Galleta Grass / White Bursage (Pleuraphis rigida / Ambrosia 59010 Big galleta 59011 dumosa) Association Big Galleta Grass / Four-Wing Saltbush (Pleuraphis rigida / 59010 Big galleta 59012 Atriplex canescens) Association
6 60000 Annual grassland 27019 Creosote Bush (Larrea tridentata) Association Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 60000 Annual grassland 27031 dumosa) Association 60000 Annual grassland 28083 Four-Wing Saltbush (Atriplex canescens) Association Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 60000 Annual grassland 28134 Ambrosia dumosa — Simmondsia chinensis) Association 60000 Annual grassland 90000 Non-vegetated habitats (less than 2% absolute cover) Desert Gold — Spiny Herb (Geraea canescens — Chorizanthe 60000 Annual grassland 90100 rigida) Desert Pavement Annual Herbaceous Alliance 60000 Annual grassland 90300 Dunes 60000 Annual grassland 90400 Playa Red brome — Mediterranean grass (Bromus rubens — Schismus 60001 Bromus tectorum fire plot 60010 (arabicus, barbatus)) Semi-Natural Herbaceous Stands Desert Gold — Spiny Herb (Geraea canescens — Chorizanthe 90100 Desert pavement 90100 rigida) Desert Pavement Annual Herbaceous Alliance 90200 Rock Outcrops 90200 Rock Outcrops 90400 Dunes 90400 Playa 90600 Disturbed / Built-up 90600 Disturbed / Built-up
Appendix D-b: Crosswalk between 2005 version of JOTR Vegetation Classification map and 2012 version of the map. (Arranged numerically by the 2012 PI code.)
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code 10020 California Juniper Woodland Alliance 10020 California Juniper (Juniperus californica) Woodland Alliance California Juniper / Blackbush (Juniperus californica / Coleogyne 10021 Juniperus californica / Coleogyne ramosissima - Yucca schidigera 10025 ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10025 Juniperus californica / Coleogyne ramosissima 10025 ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10029 Juniperus californica / Tetracoccus hallii 10025 ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 10030 Juniperus californica / Viguiera parishii - (Nolina bigelovii) 10025 ramosissima) Association Juniperus californica / (Coleogyne ramosissima - Yucca California Juniper / Blackbush (Juniperus californica / Coleogyne 10033 10025 schidigera) Super Association ramosissima) Association Juniperus californica / (Eriogonum fasciculatum / Achnatherum California Juniper / Blackbush (Juniperus californica / Coleogyne 10034 10025 speciosum) Super Association ramosissima) Association California Juniper / Blackbush (Juniperus californica / Coleogyne 28023 Coleogyne ramosissima - (mixed shrub) Super Association 10025 ramosissima) Association
7
California Juniper / Mojave Yucca / Big Galleta (Juniperus 10029 Juniperus californica / Tetracoccus hallii 10031 californica / Yucca schidigera / Pleuraphis rigida) Woodland Association California Juniper / Mojave Yucca / Big Galleta (Juniperus 10031 Juniperus californica / Yucca schidigera - (Tetracoccus hallii) 10031 californica / Yucca schidigera / Pleuraphis rigida) Woodland Association California Juniper / Muller Oak — Blackbush (Juniperus Quercus cornelius-mulleri - (Juniperus californica / Coleogyne 21233 10032 californica / Quercus cornelius-mulleri — Coleogyne ramosissima) MAMU ramosissima) Woodland Association 10160 Pinus monophylla Woodland Alliance 10160 Single-leaf Pinyon Pine (Pinus monophylla) Woodland Alliance Singleleaf Pinyon Pine/Muller's Oak (Pinus monophylla/Quercus Single-leaf Pinyon Pine / Muller’s Oak (Pinus monophylla / 10161 10161 cornelius-mulleri) Woodland Association Quercus cornelius-mulleri) Woodland Association Pinus monophylla-(Juniperus californica) / Achnatherum Single-leaf Pinyon Pine / Muller’s Oak (Pinus monophylla / 10162 10161 speciosum Woodland Association Quercus cornelius-mulleri) Woodland Association 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13010 Joshua Tree (Yucca brevifolia) Woodland Alliance Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13012 ramosissima) Woodland Association Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 13012 Yucca brevifolia / Coleogyne ramosissima 13012 ramosissima) Woodland Association Joshua Tree / Blackbush (Yucca brevifolia / Coleogyne 28023 Coleogyne ramosissima - (mixed shrub) Super Association 13012 ramosissima) Woodland Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Joshua Tree / Desert Almond (Yucca brevifolia / Prunus 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 13014 fasciculata) Association Joshua Tree — California Juniper / Nevada Ephedra (Yucca Yucca brevifolia - Juniperus californica / (Coleogyne ramosissima 13015 13015 brevifolia — Juniperus californica / Ephedra nevadensis) - Yucca schidigera - Ephedra nevadensis) Super Association Woodland Association Joshua Tree / Creosote Bush — Mojave Yucca / Big Galleta Grass Yucca brevifolia / Larrea tridentata - (Yucca schidigera / 13016 13016 (Yucca brevifolia / Larrea tridentata — Yucca schidigera / Pleuraphis rigida) Super Association Pleuraphis rigida) Woodland Association Joshua Tree / Creosote Bush — Mojave Yucca / Big Galleta Grass 28023 Coleogyne ramosissima - (mixed shrub) Super Association 13016 (Yucca brevifolia / Larrea tridentata — Yucca schidigera / Pleuraphis rigida) Woodland Association Yucca brevifolia / (Ephedra nevadensis - Grayia spinosa - Lycium Joshua Tree / Big Galleta Grass (Yucca brevifolia / Pleuraphis 13021 13021 spp.) / Pleuraphis rigida Super Association rigida) Woodland Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / 15012 15013 Desert Willow (Chilopsis linearis) Association Acacia greggii) MAMU Chilopsis linearis / (Prunus fasciculata- Acacia gregii) Super 15013 15013 Desert Willow (Chilopsis linearis) Association Association 15030 Salix laevigata Woodland Alliance 15030 Black Willow (Salix gooddingii) Woodland Alliance
8 15040 Fremont cottonwood 15040 Fremont Cottonwood (Populus fremontii) Forest Alliance 15112 Washington filifera / Salix exigua / Muhlenbergia rigens 15110 California Fan Palm (Washingtonia filifera) Woodland Alliance Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 15012 16013 Acacia greggii) MAMU florida / Larrea tridentata — Peucephyllum schottii) Association Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 16010 Blue Palo Verde 16013 florida / Larrea tridentata — Peucephyllum schottii) Association Blue Palo Verde / Creosote Bush — Desert Fir (Parkinsonia 16013 Cercidium floridum / Larrea tridentata 16013 florida / Larrea tridentata — Peucephyllum schottii) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis 15012 16015 Acacia greggii) MAMU emoryi) Association Chilopsis linearis / (Prunus fasciculata- Acacia gregii) Super Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis 15013 16015 Association emoryi) Association Blue Palo Verde / Desert Lavender (Parkinsonia florida / Hyptis 16015 Cercidium floridum / Hyptis emoryi 16015 emoryi) Association 16015 Cercidium floridum / Hyptis emoryi 16016 Ironwood (Olneya tesota) Association Blue Palo Verde — Ironwood / Cholla (Parkinsonia florida — 16024 Olneya tesota / (Larrea tridentata - Encelia farinosa) Fan Type 16024 Olneya tesota / Cylindropuntia sp.) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Blue Palo Verde — Ironwood / Desert Lavender (Parkinsonia 15012 16025 Acacia greggii) MAMU florida — Olneya tesota / Hyptis emoryi) Association Blue Palo Verde — Ironwood / Desert Lavender (Parkinsonia 16025 Olneya tesota - (Cercidium floridum / Hyptis emoryi) Wash Type 16025 florida — Olneya tesota / Hyptis emoryi) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 15012 16035 Acacia greggii) MAMU / Hyptis emoryi — Acacia greggii) Association Psorothamnus spinosus/ (Ephedra californica - Hymenoclea Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 16034 16035 salsola) broad low energy sandy wash type / Hyptis emoryi — Acacia greggii) Association Smoketree - (Desert-Lavender) - Catclaw Association Smoketree / Desert Lavender — Catclaw (Psorothamnus spinosus 16035 (Psorothamnus spinosus/ (Hyptis emoryi) - Acacia greggii) 16035 / Hyptis emoryi — Acacia greggii) Association Association 16040 Prosopis glandulosa/Suaeda moquinii 16041 Honey Mesquite (Prosopis glandulosa) Association Honey Mesquite / Saltbush — Bush Seepweed (Prosopis 16040 Prosopis glandulosa/Suaeda moquinii 16043 glandulosa / Atriplex spp. — Suaeda moquinii) Association Muller Oak — California buckwheat — Narrowleaf goldenbush 10020 California Juniper Woodland Alliance 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum — Ericameria linearifolia) Association Muller Oak — California buckwheat — Narrowleaf goldenbush 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum — Ericameria linearifolia) Association Muller Oak — California buckwheat — Narrowleaf goldenbush 21234 Quercus cornelius-mulleri - (Juniperus californica) MAMU 21234 (Quercus cornelius-mulleri — Eriogonum fasciculatum —
9 Ericameria linearifolia) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top 27019 27019 Creosote Bush (Larrea tridentata) Association Type 60000 Annual grassland 27019 Creosote Bush (Larrea tridentata) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush / Big Galleta Grass (Larrea tridentata / Pleuraphis 27019 27021 Type rigida) Association Larrea tridentata - (Ambrosia dumosa) / Pleuraphis rigida Sandy Creosote Bush / Big Galleta Grass (Larrea tridentata / Pleuraphis 27021 27021 Type rigida) Association Creosote Bush — Desert Holly (Larrea tridentata — Atriplex 28070 Desert holly 27023 hymenelytra) Shrubland Association Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27010 Creosote bush Alliance 27031 dumosa) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27019 27031 Type dumosa) Association Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 27031 Larrea tridentata - Ambrosia dumosa Generic - Fans & Slopes 27031 dumosa) Association Creosote Bush — White Bursage (Larrea tridentata — Ambrosia 60000 Annual grassland 27031 dumosa) Association (Salazaria mexicana - Krameria spp. - Encelia farinosa - Hyptis Creosote Bush — White Bursage — White Rhatany (Larrea 27001 emoryi - Eriogonum fasiculatum - Hymenoclea salsola - Acacia 27034 tridentata — Ambrosia dumosa — Krameria grayi) Association greggii - Tetracoccus hallii) rivulets within desert pavement
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Ambrosia dumosa - Senna armata - (Psorothamnus schottii) Creosotebush — White Bursage — Indigo Bush (Larrea tridentata 43013 27044 Eastern pediment type — Ambrosia dumosa — Psorothamnus arborescens) Association Creosote Bush — White Bursage — Mojave Yucca (Larrea 10029 Juniperus californica / Tetracoccus hallii 27045 tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage — Mojave Yucca (Larrea 27019 27045 Type tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata - (Ambrosia dumosa) - Tetracoccus hallii - Creosote Bush — White Bursage — Mojave Yucca (Larrea 27043 27045 (Yucca schidigera) tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata - Ambrosia dumosa - Yucca schidigera - (Senna Creosote Bush — White Bursage — Mojave Yucca (Larrea 27045 27045 armata) Toe-slopes & Steeper Fans Type tridentata — Ambrosia dumosa — Yucca schidigera) Association Larrea tridentata - (Ambrosia dumosa - Viguiera parishii) Higher Creosote Bush — White Bursage — Jojoba (Larrea tridentata — 27046 27046 Elevation Type Ambrosia dumosa — Simmondsia chinensis) Association Creosote Bush — White Bursage — Jojoba (Larrea tridentata — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 27046 Ambrosia dumosa — Simmondsia chinensis) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Creosote Bush — White Bursage — Desert Senna (Larrea 15012 27047 Acacia greggii) MAMU tridentata — Ambrosia dumosa — Senna armata) Association Larrea tridentata - (Ambrosia dumosa) - Hymenoclea salsola Low Creosote Bush — White Bursage — Desert Senna (Larrea 27011 27047 Energy Wash Type tridentata — Ambrosia dumosa — Senna armata) Association 10 Larrea tridentata Undifferentiated Playa and Sandy Dune Top Creosote Bush — White Bursage — Desert Senna (Larrea
27019 27047 Type tridentata — Ambrosia dumosa — Senna armata) Association Creosote Bush - Burro Bush - (Spiny Senna - Indigo Bush) (Larrea Creosote Bush — White Bursage — Desert Senna (Larrea 27047 tridentata - Ambrosia dumosa (Senna armata, Psorothamnus 27047 tridentata — Ambrosia dumosa — Senna armata) Association schottii) Shrubland Association Creosote Bush — White Bursage — Ocotillo (Larrea tridentata — 27031 Larrea tridentata - Ambrosia dumosa Generic - Fans & Slopes 27049 Ambrosia dumosa — Fouquieria splendens) Association Creosote Bush — Brittlebush — Ocotillo (Larrea tridentata — 27056 Larrea tridentata - Encelia farinosa - Fouquieria splendens 27056 Encelia farinosa — Fouquieria splendens) Association Larrea tridentata - Encelia farinosa - (Ambrosia dumosa - mixed Creosote Bush — Brittlebush — White Bursage (Larrea tridentata 27057 27057 shrub) Super Alliance — Encelia farinosa — Ambrosia dumosa) Shrubland Association Creosote Bush — Brittlebush — White Bursage (Larrea tridentata 28023 Coleogyne ramosissima - (mixed shrub) Super Association 27057 — Encelia farinosa — Ambrosia dumosa) Shrubland Association (Ephedra nevadensis - Pleurocoronis pluriseta - Encelia farinosa - Trixis californica - Bebbia juncea - Eriogonum fasiculatum - Creosote Bush — Brittlebush — Arrowleaf (Larrea tridentata — 24001 27059 Lycium andersonii - Acacia greggii) low elevation rocky mountain Encelia farinosa — Pleurocoronis pluriseta) Association type Acacia greggii - (Viguiera parishii - Eriogonum fasiculatum) Creosote Bush — Brittlebush — Arrowleaf (Larrea tridentata — 36017 27059 Upland slopes type Encelia farinosa — Pleurocoronis pluriseta) Association Blackbush — Nevada Ephedra (Coleogyne ramosissima — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28023 Ephedra nevadensis) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Brittlebush —White Bursage (Encelia farinosa — Ambrosia 28033 Encelia farinosa Assoiciation 28033 dumosa) Association 28080 Fourwing saltbush 28083 Four-Wing Saltbush (Atriplex canescens) Association 60000 Annual grassland 28083 Four-Wing Saltbush (Atriplex canescens) Association Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / 15012 28110 Cheesebush (Ambrosia salsola) Shrubland Alliance Acacia greggii) MAMU Desert sunflower — California Buckwheat — Jojoba (Viguiera 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Association Desert sunflower — California Buckwheat — Jojoba (Viguiera Viguiera parishii - (Ephedra nevadensis - Eriogonum fasiculatum - 28133 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Nolina bigelovii) high elevation rocky eastern mountains type Association Desert sunflower — California Buckwheat — Jojoba (Viguiera Ambrosia dumosa - (Eriogonum fasiculatum - Lycium andersonii / 43014 28133 parishii — Eriogonum fasciculatum — Simmondsia chinensis) Pleuraphis rigida) Western mountain type Association Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 28023 Coleogyne ramosissima - (mixed shrub) Super Association 28134 Ambrosia dumosa — Simmondsia chinensis) Association Ambrosia dumosa - (Eriogonum fasiculatum - Lycium andersonii / Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 43014 28134 11 Pleuraphis rigida) Western mountain type Ambrosia dumosa — Simmondsia chinensis) Association
Desert sunflower — White Bursage— Jojoba (Viguiera parishii — 60000 Annual grassland 28134 Ambrosia dumosa — Simmondsia chinensis) Association 28171 Justicia californica - Hyptis emoryi 28171 Chuparosa (Justicia californica) Provisional Shrubland Alliance 28180 Tetracoccus hallii 28181 Hall's Tetracoccus (Tetracoccus hallii) Provisional Association 28203 Hyptis emoryi Association 28203 Desert Lavender (Hyptis emoryi) Association 28220 Round-leaved Rabbitbrush 28210 Rubber Rabbitbrush (Ericameria nauseosa) Shrubland Alliance Mojave Yucca — Blackbush (Yucca schidigera — Coleogyne 29032 Yucca schidigera - Coleogyne ramosissima 29032 ramosissima) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 28023 Coleogyne ramosissima - (mixed shrub) Super Association 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 29033 Yucca schidigera - Larrea tridentata - (Ambrosia dumosa) 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Mojave Yucca — Creosote Bush — White Bursage (Yucca 29035 Yucca schidigera - Tetracoccus hallii 29033 schidigera — Larrea tridentata — Ambrosia dumosa) Association Mojave Yucca / Big Galleta Grass (Yucca schidigera / Pleuraphis 29034 Yucca schidigera / Pleuraphis rigida (Post Fire) 29034 rigida) Association Teddy-Bear cholla (Cylindropuntia bigelovii) Shrubland 27056 Larrea tridentata - Encelia farinosa - Fouquieria splendens 29051 Association Teddy-Bear cholla (Cylindropuntia bigelovii) Shrubland 29050 Teddy-bear cholla 29051 Association 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 32013 Desert Almond (Prunus fasciculata) Association
v1 (2005) v2 (2012) v1 (2005) Alliance or Association name v2 (2012) Alliance or Association name PI code PI code Acacia greggii - (Hymenoclea salsola - Larrea tridentata - Catclaw Acacia — (Sweetbush — Desert Lavender) (Acacia 36015 Peucephyllum schottii - Bebbia juncea - Ephedra californica) Low 36015 greggii — (Bebbia juncea — Hyptis emoryi)) Association elevation wash type Chilopsis linearis - Psorothamnus spinosus - (Cercidium floridum / Catclaw Acacia — Desert Almond (Acacia greggii — Prunus 15012 36016 Acacia greggii) MAMU fasciculata) Association Acacia greggii - (Lycium cooperi - Prunus fasiculatum) High Catclaw Acacia — Desert Almond (Acacia greggii — Prunus 36016 36016 elevation wash type fasciculata) Association Catclaw Acacia — California buckwheat (Acacia greggii — 13010 Joshua Tree (Yucca brevifolia) Wooded Shrubland Alliance 36018 Eriogonum fasciculatum) Association Big Galleta Grass / White Bursage (Pleuraphis rigida / Ambrosia 59010 Big galleta 59011 dumosa) Association Big Galleta Grass / Four-Wing Saltbush (Pleuraphis rigida / 59010 Big galleta 59012 Atriplex canescens) Association Red brome — Mediterranean grass (Bromus rubens — Schismus 60001 Bromus tectorum fire plot 60010 (arabicus, barbatus)) Semi-Natural Herbaceous Stands Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — Larrea tridentata Undifferentiated Playa and Sandy Dune Top 27019 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Type Sand Flats)
12 Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — Larrea tridentata - (Ambrosia dumosa) / Pleuraphis rigida Sandy
27021 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Type Sand Flats) Desert Twinbugs — Desert Sand Verbena (Dicoria canescens — 27022 Larrea tridentata Clones 60020 Abronia villosa) Sparsely Vegetated Alliance (Desert Dunes & Sand Flats) 60000 Annual grassland 90000 Non-vegetated habitats (less than 2% absolute cover) Desert Gold — Spiny Herb (Geraea canescens — Chorizanthe 60000 Annual grassland 90100 rigida) Desert Pavement Annual Herbaceous Alliance Desert Gold — Spiny Herb (Geraea canescens — Chorizanthe 90100 Desert pavement 90100 rigida) Desert Pavement Annual Herbaceous Alliance 90200 Rock Outcrops 90200 Rock Outcrops 60000 Annual grassland 90300 Dunes 60000 Annual grassland 90400 Playa 90400 Dunes 90400 Playa 90600 Disturbed / Built-up 90600 Disturbed / Built-up