§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 801–850 of 1,877.
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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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Hemerocallis fulva (L.) L. Introduced HEFUorange daylily · Liliaceae 1 county -
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 -
Hesperis matronalis L. Introduced HEMA3dames rocket · Brassicaceae 3 counties -
Hibiscus moscheutos L. Native HIMOcrimsoneyed rosemallow · Malvaceae 3 counties -
Hibiscus trionum L. Introduced HITRflower of an hour · Malvaceae 1 county -
Hieracium aurantiacum L. Introduced HIAUorange hawkweed · Asteraceae 3 counties -
Hieracium caespitosum Dumort. Introduced HICA10meadow hawkweed · Asteraceae 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 pilosella L. Introduced HIPImouseear hawkweed · Asteraceae 3 counties - Hieracium pilosella L. var. pilosella Introduced HIPIPmouseear hawkweed · Asteraceae 3 counties
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Hieracium piloselloides Vill. Introduced HIPI2tall hawkweed · Asteraceae 5 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 -
Hieracium ×floribundum Wimm. & Grab. (pro sp.) [caespitosum × lactucella] Introduced HIFL3hawkweed · Asteraceae 2 counties -
Hierochloe odorata (L.) P. Beauv. Native HIODsweetgrass · Poaceae 5 counties -
Holcus lanatus L. Introduced HOLAcommon velvetgrass · Poaceae 5 counties -
Holosteum umbellatum L. Introduced HOUMjagged chickweed · Caryophyllaceae 1 county -
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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Hordeum vulgare L. Introduced HOVUcommon barley · Poaceae 2 counties -
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 japonicus Siebold & Zucc. Introduced HUJAJapanese hop · Cannabaceae 1 county -
Humulus lupulus L. Both HULUcommon hop · Cannabaceae 3 counties - Humulus lupulus L. var. lupuloides E. Small Native HULULcommon hop · Cannabaceae 3 counties
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Huperzia lucidula (Michx.) Trevis. Native HULU2shining clubmoss · Lycopodiaceae 3 counties -
Hydrangea paniculata Siebold Introduced HYPApanicled hydrangea · Hydrangeaceae 1 county