Nuttall's linanthus (Leptosiphon nuttallii) San Luis Mountain ipomopsis (Ipomopsis pinnata) Santa Catalina Mountain phlox (Phlox tenuifolia) star gilia (Gilia stellata) Polygalaceae blue milkwort (Polygala barbeyana) blue pygmyflower (Monnina wrightii) glandleaf milkwort (Polygala macradenia) tropical milkwort (Polygala glochidiata) velvetseed milkwort (Polygala obscura) white milkwort (Polygala alba) winged milkwort (Polygala hemipterocarpa) Polygonaceae bastardsage (Eriogonum wrightii) bitter dock (Rumex obtusifolius) canaigre dock (Rumex hymenosepalus) Chiricahua Mountain dock (Rumex orthoneurus) clustered dock (Rumex conglomeratus) confederate vine (Antigonon leptopus) curlytop knotweed (Polygonum lapathifolium) devil's spineflower (Chorizanthe rigida) eastern Mojave buckwheat (Eriogonum fasciculatum) flatcrown buckwheat (Eriogonum deflexum) fringed spineflower (Chorizanthe fimbriata) kidneyleaf buckwheat (Eriogonum reniforme) naked buckwheat (Eriogonum nudum) narrowleaf dock (Rumex stenophyllus) oval-leaf knotweed (Polygonum arenastrum) Palmer's buckwheat (Eriogonum palmerianum) Pennsylvania smartweed (Polygonum pensylvanicum) prostrate knotweed (Polygonum aviculare) rabbit's purse (Harfordia macroptera) red buckwheat (Eriogonum atrorubens) saffron buckwheat (Eriogonum crocatum) sheep sorrel (Rumex acetosella) silversheath knotweed (Polygonum argyrocoleon) Sonoran sea grape (Coccoloba goldmanii) sorrel buckwheat (Eriogonum polycladon) spotted buckwheat (Eriogonum maculatum) spotted ladysthumb (Persicaria maculosa) Thomas' buckwheat (Eriogonum thomasii) Thurber's buckwheat (Eriogonum thurberi) toothed dock (Rumex dentatus) water-pepper (Persicaria hydropiper) willow dock (Rumex salicifolius) woodland pterostegia (Pterostegia drymarioides) Polypodiaceae Arizona scaly polypody (Pleopeltis thyssanolepis) narrow strapfern (Campyloneurum angustifolium) redscale scaly polypody (Pleopeltis polylepis) resurrection fern (Pleopeltis polypodioides) Rio Grande scaly polypody (Pleopeltis riograndensis) western polypody (Polypodium hesperium) Pontederiaceae blue mudplantain (Heteranthera limosa) common water hyacinth (Eichhornia crassipes) egret mudplantain (Heteranthera peduncularis) peacock hyacinth (Eichhornia azurea) roundleaf mudplantain (Heteranthera rotundifolia) Portulacaceae kiss me quick (Portulaca pilosa) rose moss (Portulaca grandiflora) shrubby purslane (Portulaca suffrutescens) silkcotton purslane (Portulaca halimoides) Potamogetonaceae horned pondweed (Zannichellia palustris) longleaf pondweed (Potamogeton nodosus) sago pondweed (Stuckenia pectinatus) Primulaceae chaffweed (Anagallis minima) Chiricahua Mountain brookweed (Samolus vagans) cudjoe-wood (Bonellia macrocarpa) limewater brookweed (Samolus ebracteatus) Rusby's primrose (Primula rusbyi) seaside brookweed (Samolus valerandi) uva cimarrona (Ardisia revoluta) western rockjasmine (Androsace occidentalis) Psilotaceae flatfork fern (Psilotum complanatum) whisk fern (Psilotum nudum) Pteridaceae Alabama lipfern (Cheilanthes alabamensis) Arizona lipfern (Cheilanthes arizonica) beaded lipfern (Cheilanthes wootonii) Cochise scaly cloakfern (Astrolepis cochisensis) common maidenhair (Adiantum capillus-veneris) copper fern (Bommeria hispida) Cretan brake (Pteris cretica) Dixie silverback fern (Pityrogramma calomelanos) fairyswords (Cheilanthes lindheimeri) five-finger fern (Adiantum pedatum) fuzzy maidenhair (Adiantum tricholepis) glandular lip fern (Cheilanthes kaulfussii) golden lipfern (Cheilanthes bonariensis) graceful lipfern (Cheilanthes yavapensis) hairy false cloak fern (Argyrochosma incana) heartleaf cliffbrake (Pellaea cordifolia) Jones' false cloak fern (Argyrochosma jonesii) Lemmon's cloak fern (Notholaena lemmonii) nitbearing lipfern (Cheilanthes lendigera) ovate-leaf cliffbrake (Pellaea ovata) Parry's lipfern (Cheilanthes parryi) polished maidenhair