A Working Index of New Mexico Vascular Plant Names

delicatula (Wooton & Standley) Boissier = Euphorbia bifurcata Engelmanndentata Michaux var. cuphosperma Engelmann = Euphorbia cuphosperma (Engelmann) Boissierdentata of numerous authors, not Michaux (see below) = Euphorbia davidii Subilsdentata Michaux : Although E. davidii seems to be the predominent species of the dentata/davidii complex in NM, Cronquist et al. (1997)suggest that E. dentata Michaux could be found in NM as well; awaits verification.Poinsettia dentata (Michaux) Klotzsch & Garckedilatata Torrey & Gray [not Hochstetter ex A. Richard] = Chamaesyce lata (Engelmann) Smalleriantha Bentham [Spellenberg et al. 1986]beetle spurgePoinsettia eriantha (Bentham) Rose & Standley*esula Linnaeus [Hartman 1973; Krochmal 1952; M&H]leafy spurge, wolf’s milkEuphorbia esula Linnaeus var. uralensis (Fischer ex Link) DornEuphorbia esula Linnaeus subsp. ×pseudovirgata (Schur) GovaertsEuphorbia ×pseudovirgata (Schur) SoóEuphorbia uralensis Fischer ex LinkTithymalus esula (Linnaeus) Scopoliexstipulata Engelmann [M&H; W&S]square-seed spurgeZygophyllidium exstipulatum (Engelmann) Wooton & Standleyfendleri Torrey & Gray var. chaetocalyx Boissier = Chamaesyce chaetocalyx (Boissier) Wooton & Standleyfendleri Torrey & Gray var. fendleri = Chamaesyce fendleri (Torrey & Gray) Smallgeorgei Oudejans = Chamaesyce acuta (Engelmann) Millspaugh [Oudejans 1989; Mayfield 1993]geyeri Engelmann = Chamaesyce geyeri (Engelmann) Smallgeyeri Engelmann var. wheeleriana Warnock & M.C. Johnston = Chamaesyce geyeri (Engelmann) Small var. wheeleriana (Warnock &M.C. Johnston) Mayfieldglyptosperma Engelmann = Chamaesyce glyptosperma (Engelmann) Smallheterophylla Linnaeus [M&H; W&S]Mexican fireplantPoinsettia havanensis (Willdenow) SmallPoinsettia heterophylla (Linnaeus) Klotzsch & Garckehexagona Nuttall ex Sprengel [M&H]six-angle spurgeZygophyllidium hexagonum (Nuttall) Smallhyssopifolia Linnaeus = Chamaesyce hyssopifolia (Linnaeus) Smallindivisa (Engelmann) Tidestrom = Chamaesyce dioica (Kunth) Millspaughlata Engelmann = Chamaesyce lata (Engelmann) Smalllathyris Linnaeus : Reported as expected by M&H; awaits verification.lurida Engelmann = Euphorbia brachycera Engelmannmaculata Linnaeus = Chamaesyce maculata (Linnaeus) Smallmarginata Pursh [M&H; W&S]snow-on-the-mountainDichrophyllum marginatum (Pursh) Klotzsch & GarckeLepadenia marginata (Pursh) Nieuwlandmicromera Boissier = Chamaesyce micromera (Boissier ex Engelmann) Wooton & Standleymissurica Rafinesque var. intermedia (Engelmann) L.C. Wheeler = Chamaesyce missurica (Rafinesque) Shinners*myrsinites Linnaeus [Cox 2001]myrtle spurgeneomexicana Greene = Chamaesyce serpyllifolia (Persoon) Smallodontadenia Boissier = Euphorbia brachycera Engelmannparryi Engelmann = Chamaesyce parryi (Engelmann) Rydberg*peplus Linnaeus [Allred 1996]petty spurgeTithymalus peplus (Linnaeus) Gaertnerprostrata Aiton = Chamaesyce prostrata (Aiton) Smallradians Bentham : Reported without documentation by Kartesz (1999); awaits verification.revoluta Engelmann = Chamaesyce revoluta (Engelmann) Smallrobusta (Engelmann) Small ex Britton = Euphorbia brachycera Engelmannserpens Humboldt, Bonpland, & Kunth = Chamaesyce serpens (Humboldt, Bonpland, & Kunth) Smallserpyllifolia Persoon = Chamaesyce serpyllifolia (Persoon) Smallserrula Engelmann = Chamaesyce serrula (Engelmann) Wooton & Standleysetiloba Engelmann ex Torrey = Chamaesyce setiloba (Engelmann ex Torrey) Millspaughspathulata Lamarck [M&H; W&S]warty spurgeEuphorbia arkansana Engelmann & GrayEuphorbia arkansana Engelmann & Gray var. atrosemina NortonEuphorbia dictyosperma Fischer & MeyerEuphorbia dictyosperma Fischer & Meyer var. mexicana Engelmann