Biological Survey of Ironwood Forest National Monument

Rare Plant Distribution

Ironwood Forest National Monument plant analysis. Species in bold not found on Flora plots. *Exotic species. Area codes: AD = Agua Dulce Ranch, AgV = Aguirre Valley, AV = Avra Valley,
AVR = Avra Valley Road, CW = Cocío Wash, DT = Dos Titos, MH = Malpais Hill,
PQ = Pan Quemado, RK = Roskruge Mts., RL = Represo Lamita, RT = Ragged Top including Wolcott Peak, SaT = SASCO Tank, SB = Silver Bell Mts., SCF = Santa Cruz Flats,
SMH = Samaniego Hills, SwT = Sawtooth Mts., WM =Waterman Mts.,
WSB =West Silver Bell Mts.

Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to Aguirre Valley
Ferocactus emoryi X
       N = 1
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to Avra Valley
Anoda pentaschista X
*Centaurea melitensis X  
Eremalche exilis X
Malacothrix fendleri X
Phacelia arizonica X
Petalonyx thurberi X
Yucca elata X
       N = 7
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to Pan Quemado
Boerhavia pterocarpa X
Eriogonum polycladon X
        N = 2
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to Ragged Top-Wolcott
Abutilon abutiloides X
Abutilon mollicomum X
Abutilon parishii X
Abutilon parvulum X
*Argemone ochroleuca X
Asclepias linaria X
Astragalus nuttalianus micranthiformis X
Brickellia californica X
*Cannabis sativa X
*Capsella bursa-pastoris X
Cerastium texanum X
Chaenactis carphoclinia X
Cryptantha decipiens X
Cryptantha nevadensis X
Cyperus esculentus X
Digitaria cognata X
Digitaria insularis X
Echinopepon wrightii X
Elymus elymoides X
Eragrostis intermedia X
Ericameria cuneata X
Erigeron lobatus X
Eriogonum maculatum X
Eriogonum thurberi X
Euphorbia heterophylla X
*Fumaria parviflora X
*Galium aparine X
Galium microphyllum X
Helianthus petiolaris X
Hibiscus biseptus X
Ipomoea cristulata X
Ipomopsis multiflora X
Juncus bufonius X
Justicia californica X
Kallstroemia parviflora X
*Lactuca serriola X
Malvastrum bicuspidatum X
Matelea arizonica X
Mimulus guttatus X
Mimulus floribundus X
Mollugo verticillata X
Muhlenbergia emersleyi X
Muhlenbergia monticola X
Muhlenbergia rigens X
Myosurus cupulatus X
Opuntia chlorotica X O. engelmannii X
*Opuntia microdasys X
*Opuntia santa-rita X
Pentagramma triangularis X
Phacelia cryptantha X
*Phalaris canariensis X
Phaseolus acutifolius latifolius X
Plumbago scandens X
Pisonia capitata X
Portulaca pilosa X
Portulaca retusa X
Portulaca umbraticola X
Pseudognaphalium canescens X
Pterostegia drymarioides X
Rafinesquia californica X
Quercus turbinella X
Setaria leucopila X
Solanum nigrescens X
*Sonchus asper X
*Sorghum bicolor X
Sporobolus airoides X
Sporobolus wrightii X
Stipa speciosa X
Stachys coccinea X
Tumamoca macdougalii X
Verbena neomexicana X
Viguiera deltoidea X
Vulpia octoflora var. hirtella X
Waltheria indica X
Yabea microcarpa X
        N = 76
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to the Roskruge Mountains
Acalypha neomexicana X
*Agave americana X
Ambrosia cordifolia X
Astragalus allochrous X
Cryptantha micrantha X
*Echinochloa crusgallii X
*Eucalyptus camaldulensis X
Dalea puchra X
Erigeron arisolius X
Lemna minor X
Linanthus aureus X
Marsilea vestita X
Pleuraphis mutica X
*Populus fremontii X
*Salix gooddingii X
Sapindus drummondii X
Stenocereus thurberi X
Tephrosia vicioides X
Vulpia myuros X
        N = 19
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to the Samaniego Hills
Amaranthus graecizans X
*Mollugo cerviana X
Portulaca oleracea X
        N = 3 X
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to the Sawtooth Mountains
Ambrosia monogyra X
Asclepias subulata X
Atriplex elegans X
*Atriplex semibaccata X
*Brassica cf. nigra X
Cheilanthes pringlei X
Datura wrightii X
*Eragrostis echinochloidea X
Euphorbia trachysperma X
Gutierrezia sarothrae X
Helianthus annuus X
Machaeranthera coulteri arida X
Malacothrix coulteri X
Mammillaria tetrancistra X
*Melilotus indicus X
Mentzelia albicaulis X
*Nicotiana glauca X
Panicum alatum minus X
*Rumex conglomeratus X
*Sorghum halepense X
        N= 20
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to the Silver Bell Mountains
Artemisia ludoviciana X
Lepidium virginicum medium X
Machaeranthera tagetina X
        N = 3
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to the Waterman Mountains
Agave deserti X
*Aloe vera X
Argyrochosma jonesii X
Bahia absinthifolia X
Bursera microphylla X
Canotia holacantha X
Cheilanthes villosa X
Dalea mollis X
Echinocactus horizonthalonius nicholii X
Euphorbia revoluta X
Graptopetalum rusbyi X
Hermannia pauciflora X
Hybanthus verticillatus X
Mimulus rubellus X
Parthenium incanum X
Panicum hallii X
Panicum obtusum X
Talinum aurantiacum X
        N = 18  
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Rare or uncommon perennials (2-5 areas)
Acacia angustissima X X
Anisacanthus thurberi X X
Argemone pleiacantha X
Astragalus arizonicus X X
Atriplex polycarpa X X
Bernardia incana X X X
Bouteloua eriopoda X X
Bouteloua rothrockii X X X X
Brickellia baccharidea X X X X
Calochortus kennedyi X X
Cathestecum brevifolium X X
Cheilanthes yavapensis X X X X
Chloris crinita X X
Coursetia glandulosa X X X X X
Croton sonorae X X X X X
Cucurbita digitata X X
Encelia frutescens X X
*Eragrostis lehmanniana X X X
Euphorbia albomarginata X X X
Fagonia californica X X X
Forestiera phillyreoides X X X
Galactia wrightii X X
Glandularia gooddingii X X
Grusonia parishii X X X X
Hymenothrix wislizenii X X X X
Koeberlinia spinosa X X X
Linum lewisii X X X
Lotus rigidus X X
Lycium macrodon X X X
Leptochloa dubia X X   X
Mammillaria thornberi X X X
Maurandya antirrhiniflora X X X
Mentzelia multiflora X X X
Monardella arizonica X X
Opuntia chlorotica X X X X X
Orobanche cooperi X X X
*Parkinsonia aculeata X X
Pappophorum vaginatum X X X X
Peniocereus greggii X X X X X
*Pennisetum setaceum X X
Penstemon subulatus X X
Physalis lobata X X X X X
Pleuraphis rigida X X
Solanum elaeagnifolium X X X X X
Sphaeralcea emoryi X X X
Sphaeralcea subhastata X X
Tetraclea coulteri X X X X
Thymophylla pentachaeta X X
Yucca baccata X X X
        N = 49
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Restricted to cattle tanks, disturbed riparian washes, seasonally flooded areas.
Amaranthus albus X X
Amaranthus graecizans X
Anoda pentaschista X
*Chamomilla suaveolens X X
*Eragrostis barrelieri X
*Echinochloa colonum X X X
*Echinochloa crusgallii X
*Eragrostis echinochloidea
Eragrostis pectinacea miserrima X X X
Eremalche exilis X
Erigeron arisolius
Eriochloa acuminata X X
*Eucalyptus camaldulensis X
Gaura parviflora X X
Helianthus annuus X
Heliotropium curassavicum X X
Hoffmanseggia glauca X X X
Lemna minor X
Lepidium thurberi X X
Leptochloa viscida X X X X X
Marsilea vestita X
Malvella sagittifolia X X X
*Medicago polymorpha X
*Melilotus indicus X
*Nicotiana glauca X
*Parkinsonia aculeata X X
Physalis acutifolia X X
Physalis lobata X X X X X
Plantago rhodosperma X X X X
*Polygonum aviculare X X
*Polypogon monspeliensis X
*Populus fremontii X
Rhychosida physocalyx X X
*Rumex conglomeratus X
*Salix gooddingii X
*Silybum marianum X X
*Sorghum bicolor X
*Sorghum halepense X
*Tamarix aphylla X X
*Tamarix chinensis X X X
Teucrium cubense X X X
Verbena bracteata X X
Veronica peregrina X X X X X
*Xanthium strumarium X
        N = 44
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Uncommon annuals (<5 areas) --- likely more common in wetter years.
Androsace occidentalis X X X
Astragalus didymocarpus X X X X
Camissonia boothii   X X X X
Camissonia claviformis X X X
Castilleja exserta X X X X
*Chenopodium murale X X
Crassula connata X X
Eriogonum palmerianum X X X X
Eriogonum thomasii X X X X
Euphorbia gracillima X X X X
Filago californica X X X
Gilia flavocincta
Glandularia gooddingii X X
Harpagonella palmeri X X
*Herniaria hirsuta cinerea X X X X
*Hordeum murinum X X X
*Lactuca serriola X
Linaria canadensis X X X X
Malacothrix fendleri
Malacothrix sonorae
Mentzelia affinis X X
Mentzelia albicaulis X
Mentzelia involucrata X X X
Nama hispidum X X X X X
Oligomeris linifolia X X X
Perityle emoryi X X X
*Phalaris minor X X X X
Plantago patagonica X X X X
Portulaca oleracea X
*Salsola tragus X X X
Senecio flaccidus monoensis X X X
*Sonchus oleraceus X X X
Spermolepis echinata X X
Stylocline micropoides X X X
Uropappus lindleyi X X X
       N = 35
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Uncommon native annuals (<5 areas) (May be more common in wetter years)
Acalypha neomexicana X
Amaranthus graecizans X
Amaranthus Xtucsonensis X X X X
Amsinckia tessellata X X
Anoda pentaschista X
Antirrhinum cyathiferum X X
Antirrhinum nuttalianum X X
Astragalus nuttalianus micranthiformis X
Boerhavia pterocarya X
Boerhavia wrightii X X X
Calandrinia ciliata X X
Cerastium texanum X
Chaenactis carphoclinia X
Conyza canadensis X X
Cryptantha decipiens
Cryptantha maritima X X
Cryptantha micrantha X
Cryptantha nevadensis
Desmodium procumbens X X
Eremalche exilis X
Erigeron lobatus X
Eriogonum maculatum X
Eriogonum polycladon X
Eriogonum thurberi X
Euphorbia heterophylla ?
Euphorbia revoluta X
Euphorbia trachysperma X
Evax multicaulis X X
Gaillardia arizonica X X X
Geraea canescens X X
Helianthus annuus X
Helianthus petiolaris X
Heterotheca subaxillaris X X X
Ipomoea cristulata X
Kallstroemia parviflora X
Lasthenia chrysotoma X X
Lemna minor X
Lepidium thurberi X X
Lepidium virginicum X
Linanthus aureus X
Loeflingia squarrosa X X X X
Lotus strigosus X X
Machaeranthera coulteri arida X
Machaeranthera gracilis X X
Machaeranthera tagetina X
Malacothrix coulteri X
Malacothrix glabrata X X
Mimulus floribundus X
Mimulus guttatus X
Mimulus rubellus X
Mollugo verticillata X
Monolepis nuttaliana X X X
Myosurus cupulatus   X
Nama demissum X X X X
Oenothera arizonica X X
Panicum alatum minus X
Pectis cylindrica X X X
Pectocarya heterocarpa X X
Phacelia affinis X X
Phacelia arizonica
Phacelia cryptantha X
Phaseolus acutifolius latifolius X
Phaseolus filiformis X X
Plagiobothrys pringlei X X X X
Polanisia dodecandra X X
Portulaca pilosa X
Portulaca retusa X
Portulaca umbraticola X
Proboscidea parviflora X X
Pterostegia drymarioides X
Rafinesquia californica X
Setaria grisebachii X X
Setaria liebmannii X X
Stylocline gnaphaloides X X
Trisetum interruptum X X
Vicia ludoviciana X X
Vulpia myuros X X
Vulpia octoflora var. hirtella
Yabea microcarpa X
        N = 79
Area codes:--->  AD AgV AV AVR CW DT MH PQ RK RT SB SCF SMH SaT SwT WM WSB
Uncommon exotic annuals (< 5 areas)
*Argemone ochroleuca X
*Brassica cf. nigra X
*Brassica tournefortii X X
*Cannabis sativa X
*Capsella bura-pastoris X
*Centaurea melitensis X
*Echinochloa colonum X X X
*Echinochloa crusgallii
*Eragrostis barrelieri X
*Fumaria parviflora X
*Galium aparine X
*Lactuca serriola X
*Medicago polymorpha X
*Melilotus indicus X
*Mollugo cerviana X
*Phalaris canariensis X
*Polypogon monspeliensis X
*Silybum marianum X X
*Sonchus asper X
*Sorghum bicolor X
        N = 20

 
Retrieved from the Arizona-Sonora Desert Museum web site on 10-24-2025
http://desertmuseum.org/programs/ifnm_raretable.php