| Common Name | Scientific Name | Code |
|---|
| n/a | Cistus ?purpureus Lam. | CIPU7 |
| n/a | Cistus pulverulentus Pourr. | CIPU8 |
| n/a | Halimium (Dunal) Spach | HALIM3 |
| n/a | Helianthemum nummularium (L.) Mill. | HENU5 |
| n/a | Lechea tripetala (Moc. & Sess? ex DC.) Britt. [excluded] | LETR14 |
| n/a | Xolantha Raf. | XOLAN |
| beach pinweed | Lechea maritima Leggett ex B.S.P. | LEMA |
| beach pinweed | Lechea maritima Leggett ex B.S.P. var. maritima | LEMAM |
| Bisbee Peak rushrose | Helianthemum scoparium Nutt. | HESC2 |
| bushy frostweed | Helianthemum dumosum (Bickn.) Fern. | HEDU |
| Carolina frostweed | Helianthemum carolinianum (Walt.) Michx. | HECA4 |
| Chisos Mountain pinweed | Lechea mensalis Hodgdon | LEME2 |
| Cistus ?purpureus | Cistus purpureus Lam. [hybrid] | CIPU9 |
| Cistus incanus ssp. corsicus | Cistus villosus L. var. corsicus (Loisel.) Gross. | CIVIC |
| Cistus incanus ssp. creticus | Cistus creticus L. | CICR3 |
| Cistus incanus ssp. incanus | Cistus villosus auct. non L. [misapplied] | CIVI2 |
| Cistus incanus ssp. incanus | Cistus villosus L. var. tauricus Gross. | CIVIT |
| Cistus incanus ssp. incanus | Cistus villosus L. var. undulatus Gross. | CIVIU |
| Cistus ladanifer | Cistus ladaniferus L. [orthographic variant] | CILA6 |
| clustered frostweed | Helianthemum glomeratum (Lag.) Lag. ex Dunal | HEGL |
| coastal sand frostweed | Helianthemum arenicola Chapman | HEAR11 |
| common gum cistus | Cistus ladanifer L. | CILA10 |
| Cretan rockrose | Cistus incanus L. ssp. creticus (L.) Heywood | CIINC2 |
| Deckert's pinweed | Lechea deckertii Small | LEDE4 |
| drysand pinweed | Lechea divaricata Shuttlw. ex Britt. | LEDI |
| European frostweed | Xolantha guttata (L.) Raf. | XOGU |
| Florida scrub frostweed | Helianthemum nashii Britt. | HENA2 |
| frostweed | Helianthemum P. Mill. | HELIA2 |
| Georgia frostweed | Helianthemum georgianum Chapman | HEGE |
| goldenheather | Hudsonia L. | HUDSO |
| hairy pinweed | Lechea mucronata Raf. | LEMU3 |
| hairy rockrose | Cistus incanus L. | CIIN80 |
| hairy rockrose | Cistus incanus L. ssp. corsicus (Loisel.) Heywood | CIINC |
| hairy rockrose | Cistus incanus L. ssp. incanus | CIINI |
| Helianthemum arenicola | Crocanthemum arenicola (Chapman) Barnh. | CRAR4 |
| Helianthemum bicknellii | Crocanthemum bicknellii (Fern.) Barnh. | CRBI6 |
| Helianthemum bicknellii | Crocanthemum majus sensu Britt. | CRMA17 |
| Helianthemum canadense | Crocanthemum canadense (L.) Britt. | CRCA15 |
| Helianthemum canadense | Helianthemum canadense (L.) Michx. var. sabulonum Fern. | HECAS3 |
| Helianthemum carolinianum | Crocanthemum carolinianum (Walt.) Spach | CRCA16 |
| Helianthemum corymbosum | Crocanthemum corymbosum (Michx.) Britt. | CRCO28 |
| Helianthemum dumosum | Crocanthemum dumosum Bickn. | CRDU3 |
| Helianthemum georgianum | Crocanthemum georgianum (Chapman) Barnh. | CRGE3 |
| Helianthemum glomeratum | Crocanthemum glomeratum (Lag.) Janchen | CRGL7 |
| Helianthemum nashii | Crocanthemum nashii (Britt.) Barnh. | CRNA3 |
| Helianthemum nashii | Crocanthemum thyrsoideum (Barnh.) Janchen | CRTH2 |
| Helianthemum nashii | Helianthemum thyrsoideum Barnh. | HETH3 |
| Helianthemum nummularium | Helianthemum mutabile (Jacq.) Moench | HEMU7 |
| Helianthemum propinquum | Crocanthemum propinquum (Bickn.) Bickn. | CRPR6 |
| Helianthemum rosmarinifolium | Crocanthemum rosmarinifolium (Pursh) Janchen | CRRO10 |
| Helianthemum rosmarinifolium | Helianthemum capitatum Nutt. ex Engelm. & Gray | HECA27 |
| Helianthemum scoparium | Helianthemum aldersonii Greene | HEAL6 |
| Helianthemum scoparium | Helianthemum scoparium Nutt. var. aldersonii (Greene) Munz | HESCA |
| Helianthemum scoparium | Helianthemum scoparium Nutt. var. vulgare Jepson | HESCV |
| Helianthemum scoparium | Helianthemum suffrutescens Schreib. | HESU2 |
| hoary frostweed | Helianthemum bicknellii Fern. | HEBI2 |
| Hudsonia ericoides | Hudsonia ericoides L. ssp. andersonii Nickerson & Skog | HUERA |
| Hudsonia montana | Hudsonia ericoides L. ssp. montana (Nutt.) Nickerson & Skog | HUERM |
| Hudsonia tomentosa var. intermedia | Hudsonia ericoides L. ssp. intermedia (Peck) Nickerson & Skog | HUERI |
| Hudsonia tomentosa var. intermedia | Hudsonia intermedia (Peck) Erskine (pro hybr.) | HUIN |
| Hudsonia tomentosa var. tomentosa | Hudsonia ericoides L. ssp. tomentosa (Nutt.) Nickerson & Skog | HUERT |
| Illinois pinweed | Lechea racemulosa Michx. | LERA |
| island rushrose | Helianthemum greenei B.L. Robins. | HEGR2 |
| Lakela's pinweed | Lechea lakelae Wilbur | LELA11 |
| largepod pinweed | Lechea intermedia Leggett ex Britt. | LEIN |
| largepod pinweed | Lechea intermedia Leggett ex Britt. var. intermedia | LEINI2 |
| largepod pinweed | Lechea intermedia Leggett ex Britt. var. juniperina (Bickn.) B.L. Robins. | LEINJ |
| largepod pinweed | Lechea intermedia Leggett ex Britt. var. laurentiana Hodgdon | LEINL |
| Lechea deckertii | Lechea myriophylla Small | LEMY |
| Lechea intermedia var. juniperina | Lechea juniperina Bickn. | LEJU |
| Lechea maritima var. maritima | Lechea minor L. var. maritima (Leggett ex B.S.P.) Gray | LEMIM2 |
| Lechea mucronata | Lechea minor L. var. villosa (Ell.) Boivin | LEMIV |
| Lechea mucronata | Lechea villosa Ell. | LEVI |
| Lechea mucronata | Lechea villosa Ell. var. macrotheca Hodgdon | LEVIM3 |
| Lechea mucronata | Lechea villosa Ell. var. schaffneri Hodgdon | LEVIS2 |
| Lechea pulchella var. moniliformis | Lechea leggettii Britt. & Hollick var. moniliformis (Bickn.) Hodgdon | LELEM |
| Lechea pulchella var. moniliformis | Lechea moniliformis Bickn. | LEMO6 |
| Lechea pulchella var. pulchella | Lechea leggettii Britt. & Hollick | LELE |
| Lechea pulchella var. pulchella | Lechea leggettii Britt. & Hollick var. ramosissima Hodgdon | LELER |
| Lechea sessiliflora | Lechea exserta Small | LEEX2 |
| Lechea sessiliflora | Lechea patula Leggett | LEPA |
| Lechea sessiliflora | Lechea prismatica Small | LEPR4 |
| Lechea tenuifolia | Lechea tenuifolia Michx. var. occidentalis Hodgdon | LETEO |
| Lechea torreyi | Lechea torreyi Leggett ex Britt. var. congesta Hodgdon | LETOC |
| Leggett's pinweed | Lechea pulchella Raf. | LEPU4 |
| Leggett's pinweed | Lechea pulchella Raf. var. moniliformis (Bickn.) Seymour | LEPUM |
| Leggett's pinweed | Lechea pulchella Raf. var. pulchella | LEPUP2 |
| Lisbon false sun-rose | Halimium lasianthum (Lam.) Spach | HALA9 |
| longbranch frostweed | Helianthemum canadense (L.) Michx. | HECA3 |
| low frostweed | Helianthemum propinquum Bickn. | HEPR |
| Montpelier cistus | Cistus monspeliensis L. | CIMO7 |
| mountain goldenheather | Hudsonia montana Nutt. | HUMO |
| narrowleaf pinweed | Lechea tenuifolia Michx. | LETE |
| nodding pinweed | Lechea cernua Small | LECE |
| piedmont pinweed | Lechea torreyi Leggett ex Britt. | LETO2 |
| pine barren frostweed | Helianthemum corymbosum Michx. | HECO3 |
| pine barren goldenheather | Hudsonia ericoides L. | HUER |
| pineland pinweed | Lechea sessiliflora Raf. | LESE7 |
| pinweed | Lechea L. | LECHE |
| prairie pinweed | Lechea stricta Leggett ex Britt. | LEST |
| rockrose | Cistus L. | CISTU |
| rosemary frostweed | Helianthemum rosmarinifolium Pursh | HERO2 |
| salvia cistus | Cistus salviifolius L. | CISA |
| San Saba pinweed | Lechea san-sabeana (Buckl.) Hodgdon | LESA |
| sand goldenheather | Hudsonia tomentosa Nutt. var. intermedia Peck | HUTOI |
| thymeleaf pinweed | Lechea minor L. | LEMI |
| Virginia pinweed | Lechea maritima Leggett ex B.S.P. var. virginica Hodgdon | LEMAV |
| willowleaf frostweed | Helianthemum salicifolium (L.) P. Mill. | HESA11 |
| woolly beachheather | Hudsonia tomentosa Nutt. | HUTO |
| woolly beachheather | Hudsonia tomentosa Nutt. var. tomentosa | HUTOT |
| Xolantha guttata | Helianthemum guttatum (L.) P. Mill. | HEGU |
| Xolantha guttata | Tuberaria guttata (L.) Fourr. | TUGU |
Plant Names