austromontana) Santa Catalina Indian paintbrush (Castilleja tenuiflora) spiked broomrape (Orobanche multicaulis) Trans-Pecos Indian paintbrush (Castilleja nervata) Oxalidaceae alpine woodsorrel (Oxalis alpina) broadleaf woodsorrel (Oxalis latifolia) creeping woodsorrel (Oxalis corniculata') Drummond's woodsorrel (Oxalis drummondii) saladita (Oxalis hernandesii) tenleaf woodsorrel (Oxalis decaphylla) Papaveraceae blackspot hornpoppy (Glaucium corniculatum) bush poppy (Dendromecon rigida) California bearpoppy (Arctomecon californica) California poppy (Eschscholzia californica) common bearpoppy (Arctomecon humilis) corn poppy (Papaver rhoeas) Coulter's Matilija poppy (Romneya coulteri) creamcups (Platystemon californicus) crested pricklypoppy (Argemone polyanthemos) curvepod fumewort (Corydalis curvisiliqua) desert poppy (Eschscholzia glyptosperma) drug fumitory (Fumaria officinalis) fineleaf fumitory (Fumaria parviflora) fire poppy (Papaver californicum) flatbud pricklypoppy (Argemone munita) golden eardrops (Dicentra chrysantha) Mexican pricklypoppy (Argemone mexicana) Mojave pricklypoppy (Argemone corymbosa) opium poppy (Papaver somniferum) Pacific bleeding heart (Dicentra formosa) pale Mexican pricklypoppy (Argemone ochroleuca) Parish's poppy (Eschscholzia parishii) scrambled eggs (Corydalis aurea) Sonoran pricklypoppy (Argemone gracilenta) Passifloraceae Arizonia passionflower (Passiflora arizonica) corkystem passionflower (Passiflora suberosa) cupped passionflower (Passiflora bryonioides) damiana (Turnera diffusa) grape-leafed passion vine (Passiflora vitifolia) Mexican passionflower (Passiflora mexicana) scarlet passionflower (Passiflora coccinea) slender passionflower (Passiflora filipes) twoflower passionflower (Passiflora biflora) winged-stem passionflower (Passiflora alata) yellow alder (Turnera ulmifolia) Pedaliaceae sesame (Sesamum indicum) Phrymaceae bush monkeyflower (Diplacus longiflorus) Cleveland monkeyflower (Diplacus clevelandii) crimson monkeyflower (Mimulus verbenaceus) Eastwood's monkeyflower (Mimulus eastwoodiae) Jacumba monkeyflower (Mimulus aridus) little redstem monkeyflower (Mimulus rubellus) manyflowered monkeyflower (Mimulus floribundus) red bush monkeyflower (Mimulus puniceus) seep monkeyflower (Mimulus guttatus) sticky monkeyflower (Mimulus aurantiacus) toothpetal monkeyflower (Mimulus dentilobus) Phyllanthaceae birdseed leaf-flower (Phyllanthus evanescens) smartweed leaf-flower (Phyllanthus polygonoides) Phytolaccaceae anamu (Petiveria alliacea) pokeberry (Phytolacca icosandra) rougeplant (Rivina humilis) Picramniaceae Mexican alvaradoa (Alvaradoa amorphoides) Picrodendraceae Hall's shrubby-spurge (Tetracoccus hallii) red shrubby-spurge (Tetracoccus dioicus) Pinaceae Apache pine (Pinus engelmannii) Arizona pine (Pinus arizonica) bishop pine (Pinus muricata) border pinyon (Pinus discolor) Chihuahuan pine (Pinus leiophylla) Douglas-fir (Pseudotsuga menziesii) Durango fir (Abies durangensis) egg cone pine (Pinus oocarpa) Jeffrey pine (Pinus jeffreyi) lodgepole pine (Pinus contorta) Lumholtz's pine (Pinus lumholtzii) Mexican pinyon (Pinus cembroides) ocote (Pinus herrerae) Parry pinyon (Pinus quadrifolia) ponderosa pine (Pinus ponderosa) smooth-bark Mexican pine (Pinus pseudostrobus) southwestern white pine (Pinus strobiformis) sugar pine (Pinus lambertiana) thinleaf pine (Pinus maximinoi) twoneedle pinyon (Pinus edulis) Piperaceae four-leaved peperomia (Peperomia tetraphylla) Jamaican pepper (Piper hispidum) palo hueso (Piper jaliscanum) Vera Cruz pepper (Piper auritum) Plantaginaceae baby jump-up (Mecardonia procumbens) Baja bush snapdragon (Galvezia juncea) balloonbush (Epixiphium wislizeni) bellflower beardtongue (Penstemon campanulatus) cardinal beardtongue (Penstemon cardinalis) Catalina beardtongue (Penstemon discolor) Chinese houses (Collinsia heterophylla) Cleveland's beardtongue (Penstemon