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H.  Freitag, Piptatherum and Stipa (Gramineae) in the Arabian Peninsula and Tropical East Africa. Edinburgh, University Press, 1989, pp. 115 - 132.

A.  Baytop, ?The genus Roemeria in Turkey?, Edinburgh: Edinburgh, University Press, 1989, pp. 65 - 70.

P.  Hanelt and Mettin, D., Biosystematics of the genus Vicia L. Leguminosae, 1989.

P.  Lassen, ?A new delimitation of the genera Coronilla, Hippocrepis, and Securigera. (Fabaceae)?, Willdenowia, vol. 19, pp. 49 - 62, 1989.

J.  Ekman, ?Sloklosta Bromus sitchensis och plattlosta B. willdenowii i Sverige?, Svensk Bot. Tidskr, vol. 83, pp. 87 - 100, 1989.

N.  Niordson, ?Kvarngröe, Glyceria grandis, funnet i Småland och Halland?, Svensk Bot. Tidskr, vol. 83, pp. 357 - 360, 1989.

P.  Lassen, ?Om kroniller, släktet Coronilla, i Norden?, Svensk Bot. Tidskr, vol. 83, pp. 83 - 86, 1989.

P. D. F.  Kok, Robbertse, P. J., and van Wyk, A. E., ?Systematic study of Digitaria section Digitaria (Poaceae) in southern Africa?, S. Afr. J. Bot, vol. 55, no. 2, pp. 141 - 153, 1989.

B.  Kronenberg and Kowarik, I., ?Naturverjüngung kultivierter Pflanzenarten in Gärten?, Verh. Berl. Bot. Ver, vol. 7, pp. 3 - 30, 1989.

A. R. Pinto Da Silva, ?Ornithopus sativus Brotero (Leguminosae)- proposta de novo neotipo?, Taxon, vol. 38, no. 2, pp. 293 - 295, 1989.

G. L.  Nesom, ?Infrageneric taxonomy of New World Erigeron (Compositae: Astereae)?, Phytologia, vol. 67, pp. 67 - 93, 1989.

E.  Zanotti, ?Segnalazioni di Amaranthus rudis Sauer e Amaranthus bouchonii Thell. in alcune località delle province di Bergamo, Brescia e Cremona?, Pianura, vol. 3, pp. 47 - 54, 1989.

K. A.  Lye, ?Strandkarse?, Lepidium latifolium L., en havstrandsplante i Norge. Blyttia, vol. 47, pp. 109 - 113, 1989.

W.  Schnedler, ?Die grosswüchsigen Melde-Arten Atriplex micrantha C.A. Meyer in Ledeb. (= A. heterosperma Bunge), Atriplex sagittata Borkh. (= A. nitens Schkuhr = A. acuminata W. & K.) und Atriplex oblongifolia W. & K. an den hessischen Autobahnen im Sommer 1987?, Hess. Florist. Briefe, vol. 38, no. 4, pp. 50 - 64, 1989.

W.  Ludwig, ?Über Kügeldistln (Echinops-Arten) in Hessen?, Hess. Florist. Briefe, vol. 38, pp. 2 - 6, 1989.

W. J.  Holverda and van der Meijden, R., ?Apera interrupta (L.) Beauv. (Stijve windhalm), een dwaalgast burgert in?, Gorteria, vol. 15, pp. 141 - 148, 1989.

K.  Kiffe, ?Ein Massenvorkommen von Beckmannia syzigachne (Steudel) Fernald im Vogelschutzgebiet "Rieselfelder Münster".?, Florist. Rundbr., vol. 23, no. 1, pp. 54 - 55, 1989.

B.  Babczynska-Sendek and Sendek, A., ?Glyceria striata (Lam.) Hitchcock - nowy gatunek we florze Polski., Fragm. Florist?, Geobot, vol. 34, pp. 75 - 80, 1989.

J.  Guzik, ?Badania nad zasi_gami ro_lin synantropijnych. 6. Iva xanthiifolia Nutt. w Polsce. Fragm. Flor?, Geobot, vol. 34, pp. 255 - 276, 1989.

G.  Pradhan, Gurung, P. B., and Kumar, Y., ?Ageratum houstonianum Mill. (Asteraceae): a new distributional record from north east India. J?, Econ. Taxon. Bot, vol. 13, no. 2, pp. 413 - 415, 1989.

F. O.  Zuloaga, ?El género Panicum (Gramineae) en la Republica Argentina, 3?, Darwiniana, vol. 29, pp. 289 - 370, 1989.

E.  Robbrecht and Jongepier, J. - W., ?De synantrope flora van het havengebied van Gent (België, Oost-Vlaanderen), waarnemingen van 1986 tot 1988?, Dumortiera, vol. 44, pp. 1 - 12, 1989.

S.  Depasse, ?Un site à Ranunculus parviflorus L., Rumex pulcher L. et Catapodium rigidum (L.) C.E. Hubbard dans l?Aisne (France)?, Dumortiera, vol. 44, pp. 12 - 15, 1989.

E.  Small and Jomphe, M., ?A synopsis of the genus Medicago (Leguminosae)?, Can. J. Bot, vol. 67, pp. 3260 - 3294, 1989.

H. D.  Szameitat, ?Impatiens glandulifera Royle als Bachbegleiter in Ostmecklenburg?, Botanischer Rundbrief für den Bezirk Neubrandenburg, vol. 21, pp. 33 - 36, 1989.

M.  Smejkal, ?Crambe abyssinica v _eskoslovensku. Zpr. _s?, Bot. Spole_, vol. 24, pp. 15 - 19, 1989.

C.  Ganzert and Walentowski, H., ?Glyceria striata (Lam.) Hitchc. _ eine neue Graminee in der Flora Bayerns. Ber. Bayer?, Bot. Ges, vol. 60, pp. 191 - 194, 1989.

M.  Valachovic, ?Reproductive biology of Asclepias syriaca populations in Zahorska Nizina lowlands: 1. Notes on flower biology and fruit production?, Biologia, A (Czechoslovakia) 44, no. 1, pp. 37 - 42, 1989.

J. S.  Ma and J.S, M., ?A revision of Aristolochia Linn. from E. and S. Asia (in Chinese)?, Acta Phytotax. Sin, vol. 27, no. 5, pp. 321 - 364, 1989.

A.  Baytop, ?The genus Roemeria in Turkey?, in The Davis and Hedge Festschrift: plant taxonomy, phytogeography and related subjects, Edinburgh: Edinburgh, University Press, 1989, pp. 65?70.

E.  Robbrecht and Jongepier, J. - W., ?De synantrope flora van het havengebied van Gent (België, Oost-Vlaanderen), waarnemingen van 1986 tot 1988?, Dumortiera, vol. 44, pp. 1-12, 1989.

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