au.\*:("SPELLENBERG R")
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CHROMOSOME NUMBERS FROM SOME FEDERALLY PROPOSED THREATENED OR ENDANGERED SOUTHWESTERN ANGIOSPERMS AND OTHER MISCELLANEOUS TAXASPELLENBERG R.1979; S.-WEST. NATURALIST; USA; DA. 1979; VOL. 24; NO 1; PP. 187-189; BIBL. 3 REF.Article
SYNTHETIC HYBRIDIZATION AND TAXONOMY OF WESTERN NORTH AMERICAN DICHANTHELIUM, GROUP LANUGINOSA (POACEAE)SPELLENBERG R.1975; MADRONO; U.S.A.; DA. 1975; VOL. 23; NO 3; PP. 134-153; BIBL. 22REFArticle
POLYPLOIDY IN DALEA FORMOSA (FABACEAE) ON THE CHIHUAHUAN DESERTSPELLENBERG R.1981; BRITTONIA; ISSN 0007-196X; USA; DA. 1981; VOL. 33; NO 3; PP. 309-324; BIBL. 2 P.Article
NEW PLANT DISTRIBUTION RECORDS FROM THE SOUTHWESTERN UNITED STATES AND NORTHERN MEXICOSPELLENBERG R.1978; MADRONO; USA; DA. 1978; VOL. 25; NO 3; PP. 169-170Article
CHROMOSOME NUMBERS AND THEIR CYTOTAXONOMIC SIGNIFICANCE FOR NORTH AMERICAN ASTRAGALUS (FABACEAE).SPELLENBERG R.1976; TAXON; PAYS-BAS; DA. 1976; VOL. 25; NO 4; PP. 463-476; BIBL. 1 P.Article
OBSERVATIONS ON ANTHOCARP ANATOMY IN THE SUBTRIBE MIRABILINAE (NYCTAGINACEAE).WILLSON J; SPELLENBERG R.1977; MADRONO; U.S.A.; DA. 1977; VOL. 24; NO 2; PP. 104-111; BIBL. 20 REF.Article
A new species of black oak (Quercus, subg. erythrobalanus, Fagaceae) from the Sierra Madre occidental, MexicoSPELLENBERG, R.American journal of botany. 1992, Vol 79, Num 10, pp 1200-1206, issn 0002-9122Article
MISCELLANEOUS CHROMOSOME COUNTS OF WESTERN AMERICAN PLANTS. IIIREVEAL JL; SPELLENBERG R.1976; RHODORA; U.S.A.; DA. 1976; VOL. 78; NO 813; PP. 37-52; BIBL. 1P.1/2Article
Structure of herbivor communities in two oak (Quercus spp.) hybrid zonesBOECKLEN, W. J; SPELLENBERG, R.Oecologia. 1990, Vol 85, Num 1, pp 92-100, issn 0029-8549Article
A new species of Perityle (Asteraceae) from Southwestern Chihuahua, MexicoSPELLENBERG, R; POWELL, A. M.Systematic botany. 1990, Vol 15, Num 2, pp 252-255, issn 0363-6445, 4 p.Article
A new species of Erigeron (Asteraceae: Astereae) from Central New MexicoSPELLENBERG, R; KNIGHT, P.Madroño. 1989, Vol 36, Num 2, pp 115-121, issn 0024-9637, 7 p.Article
A new species of Astragalus (Leguminosae) from Northwestern New Mexico and adjacent ArizonaBARNEBY, R. C; SPELLENBERG, R.Brittonia. 1987, Vol 39, Num 2, pp 188-191, issn 0007-196XArticle
An unusual new Chaetopappa (Asteraceae-Astereae) from New MexicoSORENG, R. J; SPELLENBERG, R. W.Systematic botany. 1984, Vol 9, Num 1, pp 1-5, issn 0363-6445Article