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pro vyhledávání: '"Lawrence K. Magrath"'
Autor:
Lawrence K. Magrath
Publikováno v:
Oklahoma Native Plant Record, Vol 1, Iss 1, Pp 39-66 (2001)
As of the publication of this paper Oklahoma is known to have orchids of 33 species in 18 genera, which compares to 20 species and 11 genera reported by Waterfall (1969). Four of the 33 species are possibly extinct in the state based on current surve
Externí odkaz:
https://doaj.org/article/e7db045f62c24286aebfe056492d70c5
Autor:
Lawrence K. Magrath
Publikováno v:
Oklahoma Native Plant Record, Vol 1, Iss 1, Pp 67-67 (2001)
While doing some routine plant collecting in Chickasha in June of 1999 I found a Galium with which I was not familiar. However, when I tried to key it out in Smith (1994) it immediately keyed to Galium parisiense L. var. leiocarpum Tausch. It also ke
Externí odkaz:
https://doaj.org/article/fce707c4cb754ae5ba6018e4d14b5581
Autor:
Lawrence K. Magrath
Publikováno v:
Oklahoma Native Plant Record. 3:68-72
The Three Birds Orchid or Nodding Pogonia, Triphora trianthophora (Sw.) Rydb., is one of the most beautiful jewels of the fall orchid collection in the eastern 1/3 of the country. It occurs from Vermont and Ontario, south to Florida, west to Texas, a
Autor:
Lawrence K. Magrath
Publikováno v:
Oklahoma Native Plant Record. 2:54-64
A survey to determine locations of populations of Schoenoplectus hallii and S. saximontanus was conducted at Wichita Mountains Wildlife Refuge in August and September 2000 One or both species were found at 20 of the 134 locations surveyed. A distinct
Autor:
Lawrence K. Magrath
Publikováno v:
The Southwestern Naturalist. 25:275
Autor:
Lawrence K. Magrath
Publikováno v:
Transactions of the Kansas Academy of Science (1903-). 74:287
The first report on Kansas orchids (Orchidaceae) was that of Carruth (1877) in which six species were listed for the state. Smyth and Smyth (1912) and Gates (1940) raised the list to eight. Barkley (1968) reported 13 species and noted that "orchids a
Autor:
Lawrence K. Magrath, Ronald R. Weedon
Publikováno v:
American Fern Journal. 62:22
The fruiting time of Ophioglossum engelmannii Prantl, Engelmann's Adder'stongue, has been reported in various manuals as occurring during mid-April to early June. Although Palmer (1932) stated that in the Ozarks in a wet autumn a second vegetative gr
Autor:
Ronald R Weedon, Lawrence K. Magrath
Publikováno v:
The Southwestern Naturalist. 18:341
Autor:
Lawrence K. Magrath, Kermit L. Johnson
Publikováno v:
The Southwestern Naturalist. 15:389