Forbs and Subshrubs
Helianthus nuttallii
Nuttall's sunflower
Helianthus petiolaris
prairie sunflower
Heliomeris longifolia
longleaf false goldeneye
Heliomeris multiflora
showy goldeneye
Heliotropium curassavicum
salt heliotrope
Herissantia crispa
bladdermallow
Heteranthera dubia
grassleaf mudplantain
Heterosperma pinnatum
wingpetal
Heterotheca fulcrata
rockyscree false goldenaster
Heterotheca subaxillaris
camphorweed
Heterotheca villosa var. foliosa
hairy false goldenaster, leafy goldenaster
Heuchera eastwoodiae
Senator Mine alumroot
Heuchera parvifolia
littleleaf alumroot
Heuchera rubescens
pink alumroot
Hieracium fendleri
yellow hawkweed
Hoffmannseggia drepanocarpa
sicklepod holdback
Hoffmannseggia glauca
Indian rushpea
Houstonia rubra
red bluet
Houstonia wrightii
pygmy bluet
Humulus lupulus
common hop
Hybanthus verticillatus
baby slippers
Hydrocotyle prolifera
whorled marshpennywort
Hydrocotyle verticillata
whorled marshpennywort
Hymenopappus filifolius
fineleaf hymenopappus
Hymenopappus mexicanus
Mexican woolywhite
Hymenothrix loomisii
Loomis' thimblehead
Hymenothrix wislizeni
Trans-Pecos thimblehead
Hymenothrix wrightii
Wright's thimblehead
Hymenoxys bigelovii
Bigelow's rubberweed
Hymenoxys cooperi
Cooper's rubberweed
Hymenoxys richardsonii
pinque rubberweed
Hymenoxys rusbyi
Rusby's rubberweed
Hypericum scouleri
Scouler's St. Johnswort
Ipomoea barbatisepala
canyon morning-glory
Ipomoea capillacea
purple morning-glory
Ipomoea costellata
crestrib morning-glory
Ipomoea cristulata
Transpecos morning-glory
Ipomoea hederacea
ivyleaf morning-glory
Ipomoea plummerae
Huachuca Mtn. morning-glory
Ipomoea purpurea
tall morningglory
Ipomopsis aggregata
scarlet gilia
Ipomopsis gunnisonii
sanddune ipomopsis
Ipomopsis longiflora
flaxflowered ipomopsis
Ipomopsis macombii
Macomb's ipomopsis
Ipomopsis multiflora
manyflowered ipomopsis
Iris missouriensis
Rocky Mountain iris
Isocoma pluriflora
southern goldenbush
Ivesia multifoliolata
manyleaf mousetail
Justicia longii
longflower tube tongue
Kallstroemia californica
California caltrop
Kallstroemia grandiflora
Arizona poppy
Kallstroemia parviflora
warty caltrop
Kochia scoparia
mock cypress
Lactuca ludoviciana
biannual lettuce
Lactuca saligna
willowleaf lettuce
Lactuca serriola
prickly lettuce
Laennecia coulteri
Coulter's horseweed
Lamium amplexicaule
henbit deadnettle
Langloisia setosissima
Great Basin langloisia
Lappula occidentalis
flatspine stickseed
Lasthenia californica
California goldfields
Lathyrus eucosmus
bush vetching
Lathyrus graminifolius
grassleaf pea
Lathyrus laetivirens
aspen pea
Lathyrus lanszwertii
Nevada pea
Lathyrus latifolius
perennial pea
Layia glandulosa
whitedaisy tidytips
Lemna gibba
swollen duckweed
Lemna minuta
least duckweed
Lemna turionifera
turion duckweed
Lepidium densiflorum
common pepperweed
Lepidium lasiocarpum
shaggyfruit pepperweed
Lepidium montanum
mountain pepperwort
Lepidium thurberi
Thurber's pepperweed
Lepidium virginicum
Virginia pepperweed
Leptosiphon aureus
golden linanthus
Leptosiphon nuttallii
Nuttall's linanthus
Lesquerella arizonica
Arizona bladderpod
Lesquerella cinerea
basin bladderpod
Lesquerella gordonii
Gordon's bladderpod
Lesquerella intermedia
mid bladderpod
Lessingia lemmonii
Lemmon's lessingia
Lewisia brachycalyx
shortsepal lewisia
Ligusticum porteri
Porter's licorice-root
Linanthus aureus
yellow linanthus
Linanthus bigelovii
Bigelow's linanthus
Linanthus nuttallii
Nuttall's linanthus
Linaria dalmatica
Dalmatian toadflax
Linum australe
southern flax
Linum lewisii
Lewis flax
Linum neomexicanum
New Mexico yellow flax
Linum puberulum
plains flax, yellow flax
Linum usitatissimum
cultivated flax
Lithophragma tenellum
slender woodland-star
Lithospermum cobrense
smooththroat stoneseed
Lithospermum incisum
narrowleaf stoneseed
Lithospermum multiflorum
manyflowered stoneseed
Lobelia anatina
Apache lobelia
Lobelia cardinalis
cardinalflower
Logfia californica
California cottonrose