| Scientific
Name (Linked to Species Profile) | Common
Name | Hawaiian
Name | Abundance | Nativity | Photo |
| Railliardia
coriacea |  |  |  |  |  |
| Railliardia
demissifolia var. verticillata |  |  |  |  |  |
| Railliardia
lonchophylla var. stipitata |  |  |  |  |  |
| Railliardia
menziesii |  |  |  |  |  |
| Railliardia
montana var. longifolia |  |  |  |  |  |
| Railliardia
montana var. robustior |  |  |  |  |  |
| Railliardia
platyphylla |  |  |  |  |  |
| Railliardia
reticulata |  |  |  |  |  |
| Railliardia
rockii |  |  |  |  |  |
| Railliardia
thyrsiflora |  |  |  |  |  |
| Railliardia
x dolosa |  |  |  |  |  |
|
Ranunculus hawaiensis
|  |
makou | Historic |
Native |  |
| Ranunculus
mauiensis | buttercup | makou,
'awa Kanaloa | Historic |
Native |  |
|
Rhus sandwicensis |
Hawaiian sumach |
neleau, neneleau |
Uncommon | Native |       |
| Rhynchelytrum
repens = Melinus repens | Natal
redtop |  |
 |
 |  |
|
Rhynchospora caduca |  |  |
Common | Non-Native |  |
|
Rhynchospora chinensis ssp. spiciformis |  | kuolohia
| Uncommon |
Native |  |
|
Rhynchospora lavarum |  |  |  |  |  |
|
Rhynchospora rugosa ssp. lavarum |  |  |
Uncommon | Native |  |
| Rhynchospora
sclerioides | Hawaiian
beaksedge | kuolohia |
Uncommon | Native |  |
|
Rhynchospora sp.
1 |  |  |  |  |  |
| Ricinus communis
| castor
bean |  |
Uncommon | Non-Native |    |
|
Rorippa sarmentosa |
watercress, leko |  |
Uncommon | Non-Native |  |
| Rosa sp.
| wildrose,
rose |  |  | Non-Native
|  |
| Rubus argutus
| prickly
Florida blackberry | 'ohelo
'ele'ele |
Uncommon | Non-Native |     |
|
Rubus discolor |  |  |
Encroaching | Non-Native |  |
|
Rubus glaucus |  |  |
Encroaching | Non-Native |  |
| Rubus hawaiensis
|  | 'akala,
akalakala, kala | Common |
Native |  |
|
Rubus macraei |  |
`akala | Rare |
Native |  |
|
Rubus niveus |  |  |
Encroaching | Non-Native |  |
|
Rubus penetrans |  |  |  |  |  |
| Rubus rosifolius
| thimbleberry | `ola`a |
Common | Non-Native |   |
|
Rubus rosifolius x
hawaiensis | thimbleberry | `ola`a |
Uncommon | Non-Native |  |
|
Rumex acetosella |
sheep sorrel |  |
Common | Non-Native |  |
|
Rumex albescens |  |  |  |  |  |
| Rumex crispus
ssp. crispus | curly
or yellow dock |  |
Rare | Non-Native |   |
| Rumex giganteus
|  | pawale,
uhauhako | Rare |
Native |  |
| Ruppia maritima
| ditchgrass,
widgeon grass |  |
Rare | Native |  |
|
Rytidosperma pilosum | hairy
oatgrass |  |
Rare | Non-Native |  |
|
Rytidosperma semiannulare |
|  |
Rare | Non-Native |  |
|
Saccharum officinarum |
sugar cane | ko |
Rare | Native |      |
| Sacciolepis indica
| Glenwood
grass |  |
Common | Non-Native |  |
| Sadleria cyatheoides
| sadlera
fern | 'ama'u,
'ama'uma'u | Common |
Endemic |    |
| Sadleria pallida
| sadlera
fern |
'ama'uma'u | Common |
Native |      |
| Sadleria souleyetiana
| sadlera
fern | 'ama'uma'u |
Uncommon | Endemic |  |
| Sadleria squarrosa
| sadlera
fern | 'ama'u,
'ama'uma'u | Uncommon |
Native |  |
| Santalum ellipticum
| coast
sandalwood | 'iliahialo'e |
Rare | Native |     |
|
Santalum haleakalae |
Haleaka sandalwood. |
`ili-ahi |
Uncommon | Native |
   |
|
Sanicula sandwicensis
|  |  |
Rare | Native |  |
| Scaevola chamissoniana
|  | naupaka
kuahiwi | Common |
Native |  |
| Scaevola
chamissoniana var bracteosa |  |  |  | Native
|  |
| Scaevola sericea
| beach
naupaka | naupaka
kahakai | Uncommon | Native |  |
| Scaevola taccada
[=S. sericea] | beach
naupaka | naupaka
kahakai | Uncommon | Native |    |
| Schefflera
actinophylla | octopus
tree |  |
Encroaching | Non-Native |  |
| Schiedea diffusa
|  |  |
 |
Native |  |
|
Schiedea diffusa ssp. diffusa |  |  |
Rare | Native |  |
|
Schiedea haleakalensis |  |  |
Rare | Native |
  |
|
Schiedea implexa |  |  |
Historic | Native |  |
| Schiedea pubescens
|  |  |
| Native |  |
| Schiedea pubescens
var.
pubescens |  |  |
Unconfirmed | Native |  |
| Schinus terebinthifolius
| Brazilian
peppertree, Christmasberry |  |
Uncommon | Non-Native |  |
|
Sechium edule |
pipinola, chayote |  |
Rare | Non-Native |  |
|
Schoenoplectus lacustris ssp. validus |  |
akaakai, `aka`akai |
Rare | Native |  |
|
Scirpus |  |  |  |  |  |
|
Schomburgkia
sp. 1 |  |  |
Rare | Non-Native |  |
| Selaginella
arbuscula | branched
spikemoss | lepelepeamoa |
Common | Native |
   |
| Selaginella
deflexa |  |  |
Rare | Native |  |
|
Senecio confusus |
orange-flowered senecio |
 |
| Non-Native |
   |
|
Senecio madagascariensis |  |  |
Rare | Non-Native |  |
|
Senecio sylvaticus | wood
groundsel |  |
Uncommon | Non-Native |  |
| Senna occidentalis
| coffee
senna | 'auko'i,
'au'auko'i, mikipalaoa, pi hohono |
Uncommon | Non-Native |  |
| Senna pendula
var.
advena |  |  |
Common | Non-Native |  |
| Senna septemtrionalis
|  | kolomona,
kalamona | Uncommon |
Non-Native |  |
|
Senna surattensis |  |
kolomona | Uncommon |
Non-Native |  |
|
Sequoia sempervirens |
coastal redwood |  |  |  |      |
| Sesuvium portulacastrum
| shoreline
seapurslane | 'akulikuli |
Uncommon | Native |    |
|
Setaria geniculata |  |  |  |  |  |
| Setaria gracilis
| yellow
or perennial foxtail | mau'u
Kaleponi |  |
Non-Native |  |
|
Setaria palmifolia |  |  |
Unconfirmed | Non-Native |  |
| Setaria parviflora
| foxtail |  |
Uncommon | Non-Native |  |
|
Setaria verticillata |
| mau`u pilipili
| Uncommon |
Non-Native |  |
|
Sherardia arvensis |
spurwort |
| Encroaching |
Non-Native |  |
| Sicyos cucumerinus
|  | `anunu
| Rare |
Native |  |
|
Sicyos pachycarpus |
| kupala
| Historic |
Native |  |
| Sida
cordifolia | ilima
| ilima | Unconfirmed | Non-Native
|  |
| Sida fallax
| yellow
llima | ilima |
Uncommon | Native |  |
| Sida rhombifolia
| Cuba
jute |  |
Uncommon | Non-Native |  |
| Sigesbeckia
orientalis | small
yellow crown-beard |  |
Uncommon | Non-Native |  |
|
Silene cryptopetala |  |  |
Historic | Native |  |
|
Silene degeneri |  |  |
Historic | Native |  |
|
Silene gallica | small-flowered
catchfly |  |
Rare | Non-Native |  |
|
Silene hawaiiensis var. kaupoana |  |  |  |  |  |
|
Silene struthioloides |  |  |
Uncommon | Native |
     |
|
Sisymbrium altissimum |
tumble mustard |  |
Rare | Non-Native |  |
|
Sisymbrium officinale |
hedge mustard |  |
Rare | Non-Native |  |
|
Sisymbrium officinale var. officinale |
hedge mustard |  |
Rare | Non-Native |  |
|
Sisyrinchium acre |  |
mau`u-ho`ula-`ili |
Rare | Native |  |
| Smilax melastomifolia
|  | hoi
kuahiwi, aka'awa, uhi, ulehihi | Uncommon |
Native |  |
|
Smilax sandwicensis |  |  |  |  |  |
|
Solandra maxima |  |  |
Encroaching | Non-Native |  |
| Solanum americanum
|
glossy nightshade | popolo |
Uncommon | Native |    |
|
Solanum incompletum |
| popolo ku mai
| Historic |
Native |  |
|
Solanum incompletum var.
mauiense |  |  |  |
Native |  |
| Solanum linnaeanum
| apple
of Sodom | popolo
kikania | Uncommon |
Non-Native |  |
| Solanum lycopersicum
var.
cerasiforme | cherry
tomato | 'ohi'a
ma ka nahele | Uncommon |
Non-Native |  |
| Solanum nigrum
| black
nightshade |  |  |  |  |
| Solanum sodomeum
|  |  |  |  |  |
|
Solanum tuberosum |
potato |
`uala-kahiki | Uncommon |
Non-Native |  |
|
Solenostemon scutellarioides
| coleus |
welweka |
Rare | Non-Native |  |
|
Sonchus asper |
prickly sow thistle | pualele
| Uncommon |
Non-Native |  |
| Sonchus oleraceus
| sow
thistle | pualele |
Uncommon | Non-Native |  |
|
Sophora chrysophylla |
mamane |
mamane |
Common | Native |  |
|
Sorghastrum nutans |
Indian grass |  |
| Non-Native |  |
| Spathodea campanulata
| African
tulip tree |  |
Uncommon | Non-Native |  |
| Spathoglottis plicata
| Malayan
or Philippine orchid |  |
Uncommon | Non-Native |  |
|
Spergula arvensis |  |  |
Rare | Non-Native | |
| Spermacoce assurgens
|
woodland false buttonweed |  | Common
| Non-Native |  |
|
Sphaerocionium sp. |  | palai
|  |
Native |      |
|
Sphaeropteris cooperi |  |  |
Common | Non-Native |  |
| Sphaerocionium
lanceolatum | gray
fern | palai
hinahina |  |
 |  |
| Sphagneticola
trilobata |  |  |
Uncommon | Non-Native |  |
| Sphenomeris chinensis
|
lace fern |
pala'a |
Uncommon | Native |    |
| Sphenomeris
chusiana = chinensis |
 |  |
 |  |
   |
| Sporobolus africanus
| smutgrass,
African dropseed |  |
Common | Non-Native |  |
|
Sporobolus diander |
Indian dropseed |  |
Uncommon | Non-Native |
 |
| Sporobolus indicus
| West
Indian dropseed, smutgrass |  |  |  |  |
|
Stachys arvensis |
staggerweed |  |
Rare | Non-Native |  |
| Stachytarpheta
australis |  |  |
Uncommon | Non-Native |  |
| Stachytarpheta
cayennensis | nettle-leaved
vervain | oi,
owi | Uncommon |
Non-Native |  |
|
Stachytarpheta dichotoma |  |
oi, owi |  |  |  |
| Stachytarpheta
jamaicensis | Jamaica
vervain | owi,
oi | Uncommon |
Non-Native |  |
| Stachytarpheta
urticifolia | nettleleaf
velvetberry; blue rat's-tail |  |
 |
Non-Native |    |
| Stellaria media
| common
chickweed |  |
Uncommon | Non-Native |  |
|
Stenogyne crenata |  |  |  |  |  |
|
Stenogyne haliakalae |  |  |
Historic | Native |  |
| Stenogyne kamehamehae
|  |  |
Common | Native |  |
|
Stenogyne microphylla |  |  |
Rare | Native |  |
|
Stenogyne rotundifolia |  | pua`a-i-naka |
Rare | Native |  |
|
Stenogyne rotundifolia var. oblonga |  |  |  |  |  |
|
Stenogyne sessilis |  |  |
Unconfirmed | Native |  |
|
Stenogyne sessilis var. hexanthoides |  |  |  |  |  |
| Stenotaphrum secundatum
| St.
Augustine grass, buffalo grass | 'aki'aki
haole, manienie 'aki'aki, mainenie 'aki'aki haole, manienie mahikihiki |
Uncommon | Non-Native |  |
| Sticherus owhyhensis
| false
staghorn | uluhe |
Uncommon | Native |  |
|
Streblus pendulinus |  |
a`ia`i |
Rare | Native |  |
|
Strongylodon lucidus |  |  |  |  |  |
|
Strongylodon ruber |  |
nuku, nuku-`i`iwi, ka-`i`iwi |
Rare | Native |  |
| Styphelia douglasii
|  | pukiawe,
'a'ali'i mahu, kanehoa |  |
Native |  |
| Styphelia tameiameiae
|  | pukiawe,
'a'ali'i mahu, kanehoa | Abundant |
Native |    |
|
Styphelia tameiameiae var.
brownii |  | pukiawe |  | Native |  |
| Synedrella
nodiflora | nodeweed |  |
Uncommon | Uncommon |  |
| Syzygium cumini
| Java
or Jambolan plum |  |
Common | Non-Native |   |
| Syzygium jambos
| rose
apple | 'ohi'a
loke | Uncommon |
Non-Native |  |
| Syzygium malaccense
| mountain
or Malay apple | 'ohi'a
'ai, 'ohi'a, 'ohi'a 'ai kek'oke'o |
Uncommon | Polynesian |       |
| Syzygium sandwicensis
|  | 'ohi'a
ha ha, ha, kauokahiki | Common |
Native |  |
 |  |  |  |  |  |