§1State listing — Northeast
Rhode Island
a regional flora of 5 counties
- State code
- RI · FIPS 44
- Taxa recorded
- 1,877
- Counties
- 5
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in Rhode Island
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Showing 601–650 of 1,404 (native).
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Hasteola suaveolens (L.) Pojark. Native HASU3false Indian plantain · Asteraceae 2 counties -
Hedeoma hispida Pursh Native HEHIrough false pennyroyal · Lamiaceae 1 county -
Hedeoma pulegioides (L.) Pers. Native HEPUAmerican false pennyroyal · Lamiaceae 3 counties -
Helenium autumnale L. Native HEAUcommon sneezeweed · Asteraceae 1 county - Helenium autumnale L. var. autumnale Native HEAUAcommon sneezeweed · Asteraceae 1 county
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Helenium flexuosum Raf. Native HEFLpurplehead sneezeweed · Asteraceae 2 counties -
Helianthemum bicknellii Fernald Native HEBI2hoary frostweed · Cistaceae 3 counties -
Helianthemum canadense (L.) Michx. Native HECA3longbranch frostweed · Cistaceae 5 counties -
Helianthemum dumosum (E.P. Bicknell) Fernald Native HEDUbushy frostweed · Cistaceae 2 counties -
Helianthemum propinquum E.P. Bicknell Native HEPRlow frostweed · Cistaceae 1 county -
Helianthus annuus L. Native HEAN3common sunflower · Asteraceae 3 counties -
Helianthus debilis Nutt. Native HEDE4cucumberleaf sunflower · Asteraceae 1 county - Helianthus debilis Nutt. ssp. cucumerifolius (Torr. & A. Gray) Heiser Native HEDEC2cucumberleaf sunflower · Asteraceae 1 county
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Helianthus decapetalus L. Native HEDEthinleaf sunflower · Asteraceae 3 counties -
Helianthus divaricatus L. Native HEDI2woodland sunflower · Asteraceae 3 counties -
Helianthus mollis Lam. Native HEMO2ashy sunflower · Asteraceae 1 county -
Helianthus strumosus L. Native HESTpaleleaf woodland sunflower · Asteraceae 3 counties - Helianthus tuberosus L. Native HETUJerusalem artichoke · Asteraceae 3 counties
- Helianthus ×laetiflorus Pers. (pro sp.) [pauciflorus × tuberosus] Native HELAcheerful sunflower · Asteraceae 4 counties
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Hepatica nobilis Schreb. Native HENO2hepatica · Ranunculaceae 2 counties - Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm. Native HENOOroundlobe hepatica · Ranunculaceae 2 counties
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Heracleum maximum W. Bartram Native HEMA80common cowparsnip · Apiaceae 3 counties -
Hibiscus moscheutos L. Native HIMOcrimsoneyed rosemallow · Malvaceae 3 counties -
Hieracium gronovii L. Native HIGR3queendevil · Asteraceae 3 counties - Hieracium kalmii L. Native HIKA2Kalm's hawkweed · Asteraceae 3 counties
- Hieracium kalmii L. var. fasciculatum (Pursh) Lepage Native HIKAFCanadian hawkweed · Asteraceae 3 counties
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Hieracium paniculatum L. Native HIPA2Allegheny hawkweed · Asteraceae 2 counties -
Hieracium scabrum Michx. Native HISCrough hawkweed · Asteraceae 3 counties - Hieracium scabrum Michx. var. scabrum Native HISCSrough hawkweed · Asteraceae 3 counties
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Hieracium venosum L. Native HIVErattlesnakeweed · Asteraceae 3 counties -
Hierochloe odorata (L.) P. Beauv. Native HIODsweetgrass · Poaceae 5 counties -
Honckenya peploides (L.) Ehrh. Native HOPEseaside sandplant · Caryophyllaceae 2 counties - Honckenya peploides (L.) Ehrh. ssp. robusta (Fernald) Hultén Native HOPER2seaside sandplant · Caryophyllaceae 2 counties
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Hordeum jubatum L. Native HOJUfoxtail barley · Poaceae 1 county - Hordeum jubatum L. ssp. jubatum Native HOJUJfoxtail barley · Poaceae 1 county
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Hottonia inflata Elliott Native HOINAmerican featherfoil · Primulaceae 2 counties -
Houstonia caerulea L. Native HOCA4azure bluet · Rubiaceae 5 counties -
Houstonia longifolia Gaertn. Native HOLOlongleaf summer bluet · Rubiaceae 1 county -
Hudsonia ericoides L. Native HUERpine barren goldenheather · Cistaceae 3 counties - Hudsonia tomentosa Nutt. Native HUTOwoolly beachheather · Cistaceae 5 counties
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Humulus lupulus L. var. lupuloides E. Small Native HULULcommon hop · Cannabaceae 3 counties -
Huperzia lucidula (Michx.) Trevis. Native HULU2shining clubmoss · Lycopodiaceae 3 counties -
Hydrocotyle americana L. Native HYAMAmerican marshpennywort · Apiaceae 2 counties -
Hydrocotyle umbellata L. Native HYUMmanyflower marshpennywort · Apiaceae 3 counties -
Hypericum adpressum W.P.C. Barton Native HYADcreeping St. Johnswort · Clusiaceae 1 county -
Hypericum boreale (Britton) E.P. Bicknell Native HYBO2northern St. Johnswort · Clusiaceae 4 counties -
Hypericum canadense L. Native HYCA7lesser Canadian St. Johnswort · Clusiaceae 3 counties -
Hypericum ellipticum Hook. Native HYELpale St. Johnswort · Clusiaceae 3 counties -
Hypericum gentianoides (L.) Britton, Sterns & Poggenb. Native HYGEorangegrass · Clusiaceae 4 counties -
Hypericum majus (A. Gray) Britton Native HYMA2large St. Johnswort · Clusiaceae 3 counties