Index / States / District of Columbia
§1State listing — Mid-Atlantic
District of Columbia
a regional flora of 1 counties
- State code
- DC · FIPS 11
- Taxa recorded
- 2,368
- Counties
- 1
§2Counties
Drill down to a county
§3Catalogue
All taxa recorded in District of Columbia
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Showing 1,001–1,050 of 2,368.
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Hamamelis virginiana L. Native HAVI4American witchhazel · Hamamelidaceae 1 county -
Hasteola suaveolens (L.) Pojark. Native HASU3false Indian plantain · Asteraceae 1 county -
Hedeoma pulegioides (L.) Pers. Native HEPUAmerican false pennyroyal · Lamiaceae 1 county -
Hedera helix L. Introduced HEHEEnglish ivy · Araliaceae 1 county -
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 1 county -
Helianthemum canadense (L.) Michx. Native HECA3longbranch frostweed · Cistaceae 1 county -
Helianthus angustifolius L. Native HEAN2swamp sunflower · Asteraceae 1 county -
Helianthus annuus L. Native HEAN3common sunflower · Asteraceae 1 county -
Helianthus decapetalus L. Native HEDEthinleaf sunflower · Asteraceae 1 county -
Helianthus divaricatus L. Native HEDI2woodland sunflower · Asteraceae 1 county -
Helianthus giganteus L. Native HEGIgiant sunflower · Asteraceae 1 county -
Helianthus occidentalis Riddell Native HEOC2fewleaf sunflower · Asteraceae 1 county - Helianthus occidentalis Riddell ssp. occidentalis Native HEOCOfewleaf sunflower · Asteraceae 1 county
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Helianthus strumosus L. Native HESTpaleleaf woodland sunflower · Asteraceae 1 county - Helianthus tuberosus L. Native HETUJerusalem artichoke · Asteraceae 1 county
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Heliopsis helianthoides (L.) Sweet Native HEHE5smooth oxeye · Asteraceae 1 county - Heliopsis helianthoides (L.) Sweet var. helianthoides Native HEHEHsmooth oxeye · Asteraceae 1 county
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Heliotropium amplexicaule Vahl Introduced HEAM4clasping heliotrope · Boraginaceae 1 county -
Heliotropium europaeum L. Introduced HEEUEuropean heliotrope · Boraginaceae 1 county -
Helleborus orientalis Lam. Introduced HEOR3lenten-rose · Ranunculaceae 1 county -
Hemerocallis fulva (L.) L. Introduced HEFUorange daylily · Liliaceae 1 county -
Hepatica nobilis Schreb. Native HENO2hepatica · Ranunculaceae 1 county - Hepatica nobilis Schreb. var. obtusa (Pursh) Steyerm. Native HENOOroundlobe hepatica · Ranunculaceae 1 county
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Heracleum sphondylium L. Introduced HESP6eltrot · Apiaceae 1 county - Heracleum sphondylium L. ssp. sibiricum (L.) Simonkai Introduced HESPSeltrot · Apiaceae 1 county
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Hesperis matronalis L. Introduced HEMA3dames rocket · Brassicaceae 1 county -
Heteranthera dubia (Jacq.) MacMill. Native HEDU2grassleaf mudplantain · Pontederiaceae 1 county -
Heteranthera reniformis Ruiz & Pav. Native HEREkidneyleaf mudplantain · Pontederiaceae 1 county -
Heuchera americana L. Native HEAM6American alumroot · Saxifragaceae 1 county - Heuchera americana L. var. americana Native HEAMA2American alumroot · Saxifragaceae 1 county
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Hibiscus laevis All. Native HILA2halberdleaf rosemallow · Malvaceae 1 county -
Hibiscus moscheutos L. Native HIMOcrimsoneyed rosemallow · Malvaceae 1 county -
Hibiscus syriacus L. Introduced HISYrose of Sharon · Malvaceae 1 county -
Hibiscus trionum L. Introduced HITRflower of an hour · Malvaceae 1 county -
Hieracium caespitosum Dumort. Introduced HICA10meadow hawkweed · Asteraceae 1 county -
Hieracium gronovii L. Native HIGR3queendevil · Asteraceae 1 county -
Hieracium marianum Willd. Native HIMA10Maryland hawkweed · Asteraceae 1 county -
Hieracium paniculatum L. Native HIPA2Allegheny hawkweed · Asteraceae 1 county -
Hieracium scabrum Michx. Native HISCrough hawkweed · Asteraceae 1 county - Hieracium scabrum Michx. var. scabrum Native HISCSrough hawkweed · Asteraceae 1 county
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Hieracium venosum L. Native HIVErattlesnakeweed · Asteraceae 1 county -
Holcus lanatus L. Introduced HOLAcommon velvetgrass · Poaceae 1 county -
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 murinum L. Introduced HOMUmouse barley · Poaceae 1 county - Hordeum murinum L. ssp. leporinum (Link) Arcang. Introduced HOMULhare barley · Poaceae 1 county
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Hordeum pusillum Nutt. Native HOPUlittle barley · Poaceae 1 county -
Hordeum vulgare L. Introduced HOVUcommon barley · Poaceae 1 county