Legacy Map Introduced; Calif., Europe (Greece, islands of Aegean Sea). Between 1969 and 1990 an infestation of this noxious weed was documented in Sonoma County
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two. At the time of the last systematic study of the genus (H. L. Sherman 1969), there seemed to be a significant difference in chromosome number between
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differences of perigynia, cited by Egorova and well illustrated in A. Cronquist (1969), can define two taxa, which have been viewed as minor variations (E. Hultén
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Santa Rosa, Santa Cruz, San Nicolas, and San Clemente islands (P. H. Raven 1969). None. None. window.propertiesFromHigherTaxa=[{"rank":"species","name":"Camissoniopsis
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of Northern Florida. Gainesville. Little, E.L. Jr. and W.B. Critchfield. 1969. Subdivisions of the genus Pinus (pines). Washington. [U.S.D.A., Misc. Publ
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Gypsophila oldhamiana F. A. W. Miquel was found in a field in Alabama in 1969 [Rebois 049 (AUA)]. It has pink petals and differs from other species described
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conducted on Viola pollination including cleistogamous flowers (A. J. Beattie 1969, 1969b, 1971, 1972, 1974, 1976, 1978; Beattie and D. C. Culver 1979; A. C. Cortés-Palomec
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(Bentham) Brandegee subsp. canescens (A. Gray) Heiser by C. B. Heiser et al. (1969); molecular and morphologic data appear to favor a placement within H. petiolaris
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although in certain populations the bark remains close and dark (B. P. Dancik 1969; B. P. Dancik and B. V. Barnes 1971). Betula alleghaniensis Britton × B.
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Calif., Idaho, Nev., Oreg., Utah Varieties 2 (2 in the flora). M. F. Baad (1969) considered Eremogone kingii to be monophyletic despite considerable morphological
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1957; T. C. Brayshaw 1985) but not by others (e.g., C. L. Hitchcock 1969et al. 1955–1969, vol. 1; J. L. Reveal 1977A. Cronquist et al. 1972+, vol. 6). Such
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identified as either Calamagrostis purpurascens (p. 710) (C.L. Hitchcock et al. 1969) or C. sesquiflora (p. 714) (Kawano 1965). It differs from C. purpurascens
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Stud. State Coll. Wash., suppl. 1: 1–106. Ownbey, M. 1969b. Allium. In: C. L. Hitchcock et al. 1955–1969. Vascular Plants of the Pacific Northwest. 5 vols
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probable origin of Oryzopsis contracta. Amer. J. Bot. 55:611-618 Shechter, Y. 1969. Electrophoretic investigation of the hybrid origin of Oryzopsis contracta
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Appalachian region from Maryland to Georgia. According to C. B. Heiser et al. (1969), these plants may be hybrids of H. occidentalis and H. atrorubens. Natural
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much more limited than that of subsp. alba. C. L. Hitchcock et al. (1955–1969, Vol. 4) recognized these taxa as varieties and noted that var. racemosa
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were placed by R. W. Long (1966) in subsp. canadensis; C. B. Heiser et al. (1969) returned this to subsp. nuttallii with the comment that it was hardly equivalent
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America, which generally recognize fewer taxa (C. L. Hitchcock et al. 1955–1969, vol. 3; W. C. Martin and C. R. Hutchins 1980, vol. 1; C. F. Quibell 1993;
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their differences in leaf shape and ovary indumentum intergrade (G. W. Argus 1969, 1973). The only one with a more or less distinctive geographical distribution
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Information Systems Program, Office of Science Information Service--to AIBS in July 1969 to support planning for the project. The grants provided for a small central
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