Appendix B. Plant species by life form 



Therophytes 



Annuals 



Alyssum alyssoides* 

 Alyssum desertorum 

 Amaranthus graecizans 

 Amaranthus powellii 

 Ambrosia artemisiifolia 

 Aster brachyactis 

 Atriplex argentea 

 Atriplex dioica* 

 Avena fatua 

 Avena sativa 

 Bassia hyssopifolia 

 Bidens vulgata 

 Bromus japonicus 

 Bromus tectorum 

 Camel ina microcarpa 

 Capsella bursa-pastoris 

 Chenopodium album 

 Chenopodium glaucum 

 Chenopodium fremontii 

 Chenopodium leptophyllum 

 Chenopodium rubrum 

 Cleome serrulata 

 Collomia linearis 

 Conyza canadensis 

 Corispermum hyssopi folium 

 Descurainia pinnata 

 Descurainia soph i a* 

 Echinochloa crusgalli 

 Eriogonum cernuum* 

 Erysimum cheiranthoides 

 Euphorbia serpylli folia 

 Festuca octoflora 

 Galium aparine 

 Hedeoma hispida 

 Helianthus annuus 

 Helianthus petiolaris 

 Hordeum vulgare 

 Iva xanthi folia 

 Juncus bufonius 

 Kochia scoparia 

 Lappula echinata 

 Lappula redowskii 

 Lepidium densiflorum 

 Lepidium ruderale* 

 Linum rigidum 

 Lupinus pusillus 

 Machaeranthera tanacetifolia 



* Denotes not found in intensive study area. 



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