Douglas Iris
Iris douglasiana
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Point Reyes Douglas Iris
Iris douglasiana 'Point Reyes'
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Portuguese Beach Pacifica Iris
Iris douglasiana 'Portuguese Beach'
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Yellow Douglas Iris
Iris douglasiana 'Yellow'
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Fernald's Iris
Iris fernaldii
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Hartweg's Iris
Iris hartwegii
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Rainbow Iris
Iris hartwegii ssp. australis
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Tuolumne Iris
Iris hartwegii ssp. columbiana
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Rainbow Iris
Iris hartwegii ssp. hartwegii
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Rainbow Iris
Iris hartwegii ssp. pinetorum
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Del Norte County Iris
Iris innominata
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Ed Wood Del Norte County Iris
Iris innominata 'Ed Wood'
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Central Coast Iris
Iris longipetala
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Long Tubed Iris
Iris macrosiphon
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Mt. Madonna Ground Iris
Iris macrosiphon 'Mt. Madonna'
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Western Blue Flag
Iris missouriensis
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Munz's Iris
Iris munzii
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Red Violet Pacific Coast Hybrid Iris
Iris Pacific Coast Hybrid 'Red Violet'
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Purdy's Iris
Iris purdyi
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Toughleaf Iris
Iris tenax
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Orleans Iris
Iris tenax ssp. klamathensis
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Longtube Iris
Iris tenuissima
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Slender Tubed Iris
Iris tenuissima ssp. purdyiformis
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Longtube Iris
Iris tenuissima ssp. tenuissima
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Thompson's Iris
Iris thompsonii
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Alkali Goldenbush
Isocoma acradenia
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Isocoma acradenia var. acradenia
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Isocoma acradenia var. bracteosa
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Isocoma acradenia var. eremophila
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Carquinez Goldenbush
Isocoma arguta
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Menzies' Goldenbush
Isocoma menziesii
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Menzies' Goldenbush
Isocoma menziesii var. decumbens
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Satan's Goldenbush
Isocoma menziesii var. diabolica
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Menzies' Goldenbush
Isocoma menziesii var. menziesii
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Menzies' Goldenbush
Isocoma menziesii var. sedoides
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Green-leaved Dune Goldenbush
Isocoma menziesii var. vernonioides
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Bolander's Quillwort
Isoetes bolanderi
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Spiny Quillwort
Isoetes echinospora
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Howell's Quillwort
Isoetes howellii
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Nuttall's Quillwort
Isoetes nuttallii
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Western Quillwort
Isoetes occidentalis
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Orcutt's Quillwort
Isoetes orcuttii
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Keeled Bulrush
Isolepis carinata
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Annual Tule
Isolepis cernua
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Poverty Weed
Iva axillaris
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San Diego Abundanceweed
Iva hayesiana
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Sierra Valley Mousetail
Ivesia aperta
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Sierra Valley Ivesia
Ivesia aperta var. aperta
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Dog Valley Ivesia
Ivesia aperta var. canina
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Silverhair Mousetail
Ivesia argyrocoma
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Silver-haired Ivesia
Ivesia argyrocoma var. argyrocoma
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Arizona Whitefeather
Ivesia arizonica
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Yellow Purpusia
Ivesia arizonica var. arizonica
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Bailey's Ivesia
Ivesia baileyi
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Bailey's Ivesia
Ivesia baileyi var. baileyi
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Owyhee Ivesia Violet
Ivesia baileyi var. beneolens
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Tahquitz Ivesia
Ivesia callida
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Field Ivesia
Ivesia campestris
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Gordon's Mousetail
Ivesia gordonii
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Ivesia gordonii var. alpicola