Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Peter F. Zika"'
Autor:
C. Leo Hitchcock, Arthur Cronquist, David E. Giblin, Ben S. Legler, Peter F. Zika, Richard G. Olmstead
Flora of the Pacific Northwest, first published in 1973, became an instant classic for its innovative style of providing species descriptions in the identification keys and for its comprehensive illustrations of nearly all treated taxa (species, subs
Publikováno v:
Madroño. 61:299-307
Carex xerophila Janeway & Zika is described from gabbro and serpentine soils on the west slope of the northern Sierra Nevada in California. It is documented from four populations in or on the margins of chaparral and open forest. The new species is a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6049761512ebe6ca6d7ca83ca75b1949
https://doi.org/10.3120/0024-9637-61.3.299
https://doi.org/10.3120/0024-9637-61.3.299
Autor:
Peter F. Zika, Barbara L. Wilson
Publikováno v:
Madroño. 59:171-180
Carex lemmonii W. Boott is a widespread California endemic. Herbarium and field studies showed its extensive morphological variation included plants called Carex albida L. H. Bailey, previously considered endemic to Sonoma County, California. Due to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a8e196840c8101ac463cf1edc526f6e9
https://doi.org/10.3120/0024-9637-59.4.171
https://doi.org/10.3120/0024-9637-59.4.171
Autor:
Peter F. Zika
Publikováno v:
Novon: A Journal for Botanical Nomenclature. 22:118-124
Carex orestera Zika (Cyperaceae) is described from western North America and is endemic to five counties in central and southern California in the Sierra Nevada range and the adjacent White Mountains. The taxon is separable from C. albonigra Mack. in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::93be296b55a611279a9506867b545870
https://doi.org/10.3417/2011039
https://doi.org/10.3417/2011039
Autor:
Peter F. Zika
Publikováno v:
Rhodora. 114:309-329
Juncus brachyphyllus is a plant of floodplains, prairie remnants, and glades in the Midwest, from Tennessee to Texas, north to Illinois and Nebraska. Disjunct plants called J. brachyphyllus from Idaho to California are described here as a new species
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72f5223d2df673ba1e704ec91cffd68f
https://doi.org/10.3119/11-21
https://doi.org/10.3119/11-21
Autor:
Nick Otting, Brian J. Knaus, Barbara L. Wilson, Richard E. Brainerd, Julie Kierstead Nelson, Peter F. Zika, Steven Darington
Publikováno v:
Phytotaxa. 368:1
Sedum section Gormania was restricted to Oregon, Nevada and California in the western United States. After extensive field work from 2011 to 2016, we revised 17 members of the group using floral and vegetative characters, resulting in the acceptance
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ea63fa66dc48c7ff4692a35915619fc
https://doi.org/10.11646/phytotaxa.368.1.1
https://doi.org/10.11646/phytotaxa.368.1.1
Autor:
Peter F. Zika
Publikováno v:
Madroño. 57:1-10
Naturalized Ilex aquifolium L. (English holly) was first collected in the Pacific Northwest in 1953, based on herbarium records. Field surveys showed it is now commonly naturalized from northwestern California to coastal British Columbia. Ilex crenat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f63e08c73a01b00e3dacb47addc4a39
https://doi.org/10.3120/0024-9637-57.1.1
https://doi.org/10.3120/0024-9637-57.1.1
Autor:
Donald R. Farrar, Peter F. Zika
Publikováno v:
American Fern Journal. 99:249-259
Botrychium ascendens is reported from Fogo Island in Newfoundland as an addition to the flora of the province. Fogo Island plants are identical to plants in western North America, including those from the type locality, in comparisons of leaf morphol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::82d49f2c4c011489218e9551515f4f4b
https://doi.org/10.1640/0002-8444-99.4.249
https://doi.org/10.1640/0002-8444-99.4.249
Autor:
Arthur L. Jacobson, Peter F. Zika
Publikováno v:
Madroño. 54:74-85
A natural hybrid, Prunus ×pugetensis A. L. Jacobson & Zika, is described as the cross between introduced Prunus avium (L.) L. of Eurasia, and indigenous P. emarginata (Douglas ex Hook.) Eaton of western North America. It is intermediate in morpholog
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37b48fda03d85251f636060fe40037ee
https://doi.org/10.3120/0024-9637(2007)54[74:anhcpp]2.0.co
https://doi.org/10.3120/0024-9637(2007)54[74:anhcpp]2.0.co