A.Highly Safeguarded Protected Native Plants

The following list includes those species of native plants and parts of plants, including the seeds and fruit, whose prospects for survival in Arizona are in jeopardy or which are in danger of extinction.

AGAVACEAE Agave Family (including Nolinaceae)

Agave arizonica Gentry & Weber-Arizona agave

Agave delamateri Hodgson & Slauson

Agave murpheyi Gibson-Hohokam agave

Agave parviflora Torr.-Santa Cruz striped agave, Small-flowered agave

Agave schottii Engelm. var. treleasei (Toumey) Kearney & Peebles

APIACEAE Parsley Family. [= Umbelliferae]

Lilaeopsis schaffneriana (Schlecht.) Coult. & Rose ssp. recurva (A. W. Hill) Affolter-Cienega false rush, Huachuca water umbel.
Syn.: Lilaeopsis recurva A. W. Hill

APOCYNACEAE Dogbane Family

Amsonia kearneyana Woods.-Kearney's bluestar

Cycladenia humilis Benth. var. jonesii (Eastw.) Welsh & Atwood-Jones' cycladenia

ASCLEPIADACEAE Milkweed Family

Asclepias welshii N. & P. Holmgren-Welsh's milkweed

ASTERACEAE Sunflower Family [= Compositae]

Erigeron lemmonii Gray-Lemmon fleabane

Senecio franciscanus Greene-San Francisco Peaks groundsel

Senecio huachucanus Gray-Huachuca groundsel

BURSERACEAE Torch Wood Family

Bursera fagaroides (H.B.K.) Engler-Fragrant bursera

CACTACEAE Cactus Family

Carnegiea gigantea (Engelm.) Britt. & Rose-Saguaro: `Crested' or `Fan-top' form only
Syn.: Cereus giganteus Engelm.

Coryphantha recurvata (Engelm.) Britt. & Rose-Golden-chested beehive cactus
Syn.: Mammillaria recurvata Engelm.

Coryphantha robbinsorum (W. H. Earle) A. Zimmerman-Cochise pincushion cactus, Robbin's cory cactus.
Syn.: Cochiseia robbinsorum W.H. Earle

Coryphantha scheeri (Kuntze) L. Benson var. robustispina (Schott) L. Benson-Scheer's strong-spined cory cactus.
Syn.: Mammillaria robustispina Schott

Echinocactus horizonthalonius Lemaire var. nicholii L. Benson-Nichol's Turk's head cactus

Echinocereus triglochidiatus Engelm. var. arizonicus (Rose ex Orcutt) L. Benson-Arizona hedgehog cactus

Echinomastus erectocentrus (Coult.) Britt. & Rose var. acunensis (W.T. Marshall) L.Benson-Acuna cactus
Syn.: Neolloydia erectocentra (Coult.) L. Benson var. acunensis (W. T. Marshall) L. Benson

Pediocactus bradyi L. Benson-Brady's pincushion cactus

Pediocactus paradinei B. W. Benson-Paradine plains cactus

Pediocactus peeblesianus (Croizat) L. Benson var. fickeiseniae L. Benson

Pediocactus peeblesianus (Croizat) L. Benson var. peeblesianus Peebles' Navajo cactus, Navajo plains cactus
Syn.: Navajoa peeblesiana Croizat

Pediocactus sileri (Engelm.) L. Benson-Siler pincushion cactus
Syn.: Utahia sileri (Engelm.) Britt. & Rose

COCHLOSPERMACEAE Cochlospermum Family

Amoreuxia gonzalezii Sprague & Riley

CYPERACEAE Sedge Family

Carex specuicola J. T. Howell-Navajo sedge

FABACEAE Pea Family [=Leguminosae]

Astragalus cremnophylax Barneby var. cremnophylax Sentry milk vetch

Astragalus holmgreniorum Barneby-Holmgren milk-vetch

Dalea tentaculoides Gentry-Gentry indigo bush

LENNOACEAE Lennoa Family

Pholisma arenarium Nutt.-Scaly-stemmed sand plant

Pholisma sonorae (Torr. ex Gray) Yatskievych-Sandfood, sandroot
Syn.: Ammobroma sonorae Torr. ex Gray

LILIACEAE Lily Family

Allium gooddingii Ownbey-Goodding's onion

ORCHIDACEAE Orchid Family

Cypripedium calceolus L. var. pubescens (Willd.) Correll-Yellow lady's slipper

Hexalectris warnockii Ames & Correll-Texas purple spike

Spiranthes delitescens C. Sheviak

POACEAE Grass Family [=Gramineae]

Puccinellia parishii A.S. Hitchc.-Parish alkali grass

POLYGONACEAE Buckwheat Family

Rumex orthoneurus Rech. f.

PSILOTACEAE Psilotum Family

Psilotum nudum (L.) Beauv. Bush Moss, Whisk Ferm

RANUNCULACEAE Buttercup Family

Cimicifuga arizonica Wats.-Arizona bugbane

Clematis hirsutissima Pursh var. arizonica (Heller) Erickson-Arizona leatherflower

ROSACEAE Rose Family

Purshia subintegra (Kearney) J. Hendrickson-Arizona cliffrose, Burro Creek cliffrose
Syn.: Cowania subintegra Kearney

SALICACEAE Willow Family

Salix arizonica Dorn-Arizona willow

SCROPHULARIACEAE Figwort Family

Penstemon discolor Keck-Variegated beardtongue