Artigos de revistas: "Rare plants"

1

Harboe-Ree, Cathrine. "Rare plants list revisited." Castlemaine Naturalist 46, no. 501 (September 2021): 1–2. http://dx.doi.org/10.5962/p.402200.

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Kasten, R. W. "Conservation of Rare Plants." Science 247, no. 4949 (March 23, 1990): 1388. http://dx.doi.org/10.1126/science.247.4949.1388-a.

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3

Higginbotham, Jeri W. "Rare Plants: Genetics and Conservation." Ecology 74, no. 7 (October 1993): 2172–73. http://dx.doi.org/10.2307/1940865.

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Schmid, Rudolf, L. S. Belousova, L. V. Denisova, and B. R. Sharma. "Rare Plants of the World." Taxon 42, no. 3 (August 1993): 733. http://dx.doi.org/10.2307/1222562.

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Kovarikova, M., I. Tomaskova, and P. Soudek. "Rare earth elements in plants." Biologia plantarum 63, no. 1 (January 19, 2019): 20–32. http://dx.doi.org/10.32615/bp.2019.003.

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Zhang, Hua-Feng, and Xiao-Hua Yang. "Asian medicine: Protect rare plants." Nature 482, no. 7383 (February 2012): 35. http://dx.doi.org/10.1038/482035e.

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LUCAS, GREN, and SARA OLDFTELD. "Rare plants in zoological collections." International Zoo Yearbook 24, no. 1 (January 1986): 123–26. http://dx.doi.org/10.1111/j.1748-1090.1985.tb02526.x.

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8

Shirey, Patrick D., and Gary A. Lamberti. "Regulate trade in rare plants." Nature 469, no. 7331 (January 2011): 465–67. http://dx.doi.org/10.1038/469465a.

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S.V., Klimenko. "Rare fruit plants as medicinals." Plant Introduction 11-12 (December 1, 2001): 37–44. https://doi.org/10.5281/zenodo.3333850.

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Results of many years researches on rare fruit plants introduction in the Forest-Steppe of Ukraine – quince oblong (Cydonia oblonga Mill.), cornel cherry (Cornus mas L.) and japanese flowering quince (Chaenomeles japonica Lindl.) are illuminated. There are facts on perspective cultivars and forms fruits biochemical composition, which distinguish by pectin substances high content (quince oblong and japanese flowering quince ), vitamin С (cornel cherry and japanese flowering quince), flavonolics, katechines (quince oblong and cornel cherry). Medicine significance of all plants organs as biological active substances source, very valuable for child and dietic nourishment is revealed.

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10

Zhou, Quanlai, Zhiming Xin, Yongcui Wang, Renhui Miao, Zhimin Liu, Lu Zong, Xuehua Li, et al. "The Adaptive Capacity of Alien and Rare Species in China." Forests 13, no. 12 (November 27, 2022): 2005. http://dx.doi.org/10.3390/f13122005.

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Alien and rare plants tend to adapt to contrasting biotic and abiotic conditions. However, adaptability assessments of alien and rare plants using biological and habitat characteristics in stressful and disturbed environments are limited. We collected and demonstrated the biological and habitat characteristics and assessed the adaptive capacity of alien and rare plants in China using the analytic hierarchy process. Biological characteristics, such as dispersal strategy, sexual and asexual reproduction modes, life form, and habitat characteristics (e.g., habitat type and distribution spatial extent), are important indicators of the adaptability of alien and rare plants to stressful and disturbed environments. Alien plants have a higher adaptive capacity to disturbed environments than rare plants, while rare plants have a higher adaptive capacity to stressful environments than alien plants. Stressful and disturbed environments constrain the adaptive capacity of alien and rare plants, respectively. However, the constraint on alien plants from stressful environments is weaker than that on rare plants from disturbed environments. Understanding the adaptive capacity of alien and rare plants will help researchers and policymakers develop strategies for preventing the invasion of alien plants as well as protecting rare and endangered plants.

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11

Maunder, Mike, Donald A. Falk, and Kent E. Holsinger. "Genetics and Conservation of Rare Plants." Kew Bulletin 48, no. 2 (1993): 425. http://dx.doi.org/10.2307/4117957.

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Schuyler, Alfred E. "Defining Nature and Protecting Rare Plants." Ecological Restoration 17, no. 1-2 (1999): 5–7. http://dx.doi.org/10.3368/er.17.1-2.5.

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Levine, Jonathan M., A. Kathryn McEachern, and Clark Cowan. "Rainfall effects on rare annual plants." Journal of Ecology 96, no. 4 (July 2008): 795–806. http://dx.doi.org/10.1111/j.1365-2745.2008.01375.x.

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14

Legg, Colin, Neil Cowie, and Chris Sydes. "Promoting survival prospects of rare plants." Botanical Journal of Scotland 55, no. 1 (January 2003): 77–87. http://dx.doi.org/10.1080/03746600308685050.

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15

Peabody, Frederick. "Rare Plants of Bryce Canyon National Park." UW National Parks Service Research Station Annual Reports 16 (January 1, 1992): 49–52. http://dx.doi.org/10.13001/uwnpsrc.1992.3069.

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The list of rare and potentially rare plants in Bryce Canyon National Park was refined. A literature survey has been completed in order to determine plant species that have been considered rare, and also plant species that are potentially rare. Refer to original proposal for citations.

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16

Shin, Hyun Tak, Myung Hoon YI, Jung Won Yoon, Ji Hyun Yoo, Byoung-Chun Lee, and Eun-Hee Park. "Distribution of Rare Plants and Endemic Plants in Jirisan National Park." Journal of Korean Nature 3, no. 4 (December 2010): 219–22. http://dx.doi.org/10.1016/s1976-8648(14)60026-8.

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17

OREDSSON, ALF. "Threatened species not necessarily rare, rare species not necessarily threatened." Environmental Conservation 24, no. 3 (September 1997): 207–9. http://dx.doi.org/10.1017/s0376892997000283.

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In the beautifully-illustrated book of rare and threatened plants of Greece (Phitos et al. 1995), the selection of species is based strictly on the four World Conservation Union (IUCN) categories of ‘extinct’, ‘endangered’, ‘vulnerable’ and ‘rare’ (Lucas & Synge 1978). The Swedish ‘red data’ book of plants (Aronsson et al. 1995) adds ‘care-demanding species’ to the list. Five percent of the total number of vascular plant species in Greece are included in the Greek book, while 23% of the vascular plant species in Sweden are in the Swedish book. This latter percentage may appear to be sufficiently large, but is it?

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Havens, Kayri. "Pollination Biology: Implications for Restoring Rare Plants." Ecological Restoration 17, no. 4 (1999): 216–18. http://dx.doi.org/10.3368/er.17.4.216.

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Viktorov, V. P., N. G. Kuranova, and E. V. Chernyaeva. "CONSERVATION STRATEGY OF RARE SPECIES OF PLANTS." Herald of Tver State University. Series: Biology and Ecology, no. 3 (November 27, 2018): 106–29. http://dx.doi.org/10.26456/vtbio9.

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20

Kastori, Rudolf, Ivana Maksimovic, Tijana Zeremski-Skoric, and Marina Putnik-Delic. "Rare earth elements: Yttrium and higher plants." Zbornik Matice srpske za prirodne nauke, no. 118 (2010): 87–98. http://dx.doi.org/10.2298/zmspn1018087k.

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Rare earth elements (REEs) form a chemically uniform group with very similar physical and chemical properties. The REEs include the elements scandium, yttrium, and the lanthanides from lanthanum to lutetium. They are widely distributed and present in all parts of the biosphere. REEs are required in industry, agriculture, medicine, biotechnology, environmental problems and many other fields. Lately, many experiments show their positive or negative, first of all nonspecific, effect on life processes of higher plants as well as growth and yield of cultivated species, but the physiological mechanisms are still not well understood. It has been determined that yttrium is widely distributed in plants, as well as that certain plant species uptake yttrium at different extent. Its highest accumulation is in the root and the leaf. Although yttrium was discovered more than two centuries ago, its effect on higher plants - their anatomical and morphological built, physiological and biochemical processes etc. - is very little known. One of the basic reasons is that yttrium, as well as other REEs elements, according to current knowledge, is not biogenic for higher plants and - wider - for live organisms. The objective of this paper is to concisely show previous knowledge about yttrium in the plant world.

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21

Son, Sung Won, Byung Chun Lee, Hyung Ho Yang, and Ye Joo Seol. "Distribution of five rare plants in Korea." Korean Journal of Plant Taxonomy 41, no. 3 (September 30, 2011): 280–86. http://dx.doi.org/10.11110/kjpt.2011.41.3.280.

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Maisels, Fiona G., Martin Cheek, and Chris Wild. "Rare plants on Mount Oku summit, Cameroon." Oryx 34, no. 02 (April 2000): 136. http://dx.doi.org/10.1017/s0030605300031057.

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23

Cole, Christopher T. "Genetic Variation in Rare and Common Plants." Annual Review of Ecology, Evolution, and Systematics 34, no. 1 (November 2003): 213–37. http://dx.doi.org/10.1146/annurev.ecolsys.34.030102.151717.

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TEPEDINO, V. J. "Overestimating Population Sizes of Rare Clonal Plants." Conservation Biology 26, no. 5 (July 26, 2012): 945–47. http://dx.doi.org/10.1111/j.1523-1739.2012.01886.x.

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Shin, Hyun Tak, Myung Hoon Yi, Jae Sung Shin, Byoung-Chun Lee, and Jung Won Yoon. "Distribution of Rare Plants- Ulsan, Busan, Yangsan." Journal of Korean Nature 5, no. 2 (June 2012): 145–53. http://dx.doi.org/10.7229/jkn.2012.5.2.145.

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26

Bartgis, Rodney L., Elizabeth A. Byers, Ronald H. Fortney, William Grafton, and M. Ashton Berdine. "Rare Plants of Canaan Valley, West Virginia." Southeastern Naturalist 14, sp7 (October 2015): 158–86. http://dx.doi.org/10.1656/058.014.sp715.

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Maisels, Fiona G., Martin Cheek, and Chris Wild. "Rare plants on Mount Oku summit, Cameroon." Oryx 34, no. 2 (April 2000): 136–40. http://dx.doi.org/10.1046/j.1365-3008.2000.00107.x.

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AbstractThe forests of the Kilum-Ijim area, around Mount Oku in West Cameroon, are the largest remaining patch of montane forest in West Africa, and the highest in altitude. This important habitat harbours endemic species of both animals and plants but is surrounded by a high density of human settlements: c. 300,000 people live within a day's walk of the forest, which covers only 200 sq km. BirdLife International and the Ministry of the Environment and Forestry, Government of Cameroon, are currently operating the Kilum-Ijim Forest Project, with the overall goal of conserving representative areas of the Cameroon montane forest biome in the long-term. The purpose of the project is toensure that the biodiversity, extent and ecological processes of the Kilum-Ijim Forest are maintained and that the forest is used sustainably by the local communities. The existence of a small Sphagnum community and associated wetland plant species was discovered in 1997 on the summit of Mount Oku, at 2900 m. This site is of extremely high conservation importance because several plant species endemic to the Kilum-Ijim area have been recorded there. In addition, it is the highest Sphagnum bog and the source of the highest stream in West Africa.

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Holsinger, Kent E., and L. D. Gottlieb. "The conservation of rare and endangered plants." Trends in Ecology & Evolution 4, no. 7 (July 1989): 193–94. http://dx.doi.org/10.1016/0169-5347(89)90071-2.

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Brunton, Daniel F. "The Rare Vascular Plants of British Columbia." Canadian field-naturalist 100, no. 4 (1986): 588–89. http://dx.doi.org/10.5962/p.355729.

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Smart, Judy. "John Eichler: In Search of Rare Plants." Peninsula Field Naturalists' Club Newsletter (2015:Dec) (December 2015): 5. http://dx.doi.org/10.5962/p.381347.

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31

Kastori, Rudolf, Ivana Maksimovic, and Marina Putnik-Delic. "Cerium and higher plants." Zbornik Matice srpske za prirodne nauke, no. 148 (2025): 27–43. https://doi.org/10.2298/zmspn2548027k.

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Rare earth elements (REEs) or terrae rarae (TR) are a group of 17 heavy metals which include 15 elements belonging to the lanthanide (Ln) group, as well as scandium and yttrium. REEs are very similar in chemical and physical properties. Lanthanides are considered as rare micro elements, which is not entirely true. Namely, the amount of cerium (Ce) in the Earth?s crust is slightly higher than the amount of Cu, Pb or Zn. Except for Eu (+2 and +3) and Ce (+3 and +4), REEs usually form trivalent cations. Studies of individual REEs elements are mostly focused on the effects of Ce and La. Cerium is nowadays used in agriculture, as a microfertilizer. However, it is not essential for higher plants. The effects of Ce on life processes of plants range from stimulation to inhibition, depending on its concentration (hormesis), plant species, the stage of development, method of application and ecological factors. Lower concentrations and amounts of Ce can be beneficial for nutrient uptake, seed germination, photosynthesis, growth, dry matter accumulation and for alleviating different kinds of stress in plants. Cerium decreases oxidative stress and increases antioxidative capacity of plants. Higher concentrations of Ce reduce plant growth. Excessive amounts of Ce have cytotoxic and genotoxic effects. The available literature on the influence of lower concentrations of Ce on life processes in plants suggests positive outcomes. How- ever, further fundamental investigations shall lead to better understanding of the physiological mechanisms of the impact of Ce on plant metabolisms.

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Qurrotu 'Aini, Farhah, Nur Rokhimah Hanik, and Tri Wiharti. "Identification of Rare Medical Plant and Community Understanding in Manggeh Village, Karanganyar District, Karanganyar Regency." Jurnal Biologi Tropis 23, no. 3 (July 7, 2023): 380–91. http://dx.doi.org/10.29303/jbt.v23i3.5179.

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This study aims to identify rare medicinal plants in Manggeh Village, Karanganyar District, Karanganyar Regency, as well as to understand the level of knowledge and understanding of the community regarding rare medicinal plants in areas with a low tendency. The research method used was field surveys, interviews, and direct observation of 40 respondents who were randomly selected from people in low inclined areas. The results showed that there were a number of rare medicinal plants in Manggeh Village. These plants have high medicinal potential and have been used traditionally by the local community. However, the level of public knowledge and understanding regarding rare medicinal plants is still limited. Although some people are familiar with rare medicinal plants in general, in-depth knowledge about their benefits, uses and potential side effects is still limited. This research provides a deeper understanding of the biodiversity in Manggeh Village and provides useful information for the community in the proper and responsible use of medicinal plants. The results of this study can also be a basis for local governments in developing policies for the conservation of rare medicinal plants.

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Davidenko, O. N., and S. A. Nevskij. "Plants communities with the rare halophytic plants species characteristics in Saratov region." Scientific Bulletin, no. 1 (2014): 127–33. http://dx.doi.org/10.17117/nv.2014.01.127.

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M., Amini Rad, and Karimov V.N. "Endemic and Rare Species of Cyperaceae Family in Iran." Journal of Life Sciences and Biomedicine 66, no. 3 (December 12, 2011): 97–104. https://doi.org/10.5281/zenodo.7480255.

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Cyperaceae, with about 131 species, is the largest family of subclass Monocotyledoneae in Iran after Poaceae and Liliaceae. In this research, endemic and rare plants belonging to Cyperaceae family has been studied in Iran. Cyperus celans and Carex decaulescens subsp. brunneola are endemic plants. Number of 36 taxa has been surveyed as threatened plants. Also, phytogeographical region, index of threatened, life form, habitat, and distribution map has been prepared for each taxon.

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Demina, Galina, Svetlana Dubrovnaya, Luisa Kadyrova, Nina Prokhorenko, and Olga Timofeeva. "Inventory and characteristics of rare medicinal plants in the Republic of Tatarstan, Russia." E3S Web of Conferences 510 (2024): 03031. http://dx.doi.org/10.1051/e3sconf/202451003031.

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This work presents the structural analysis of rare medicinal plants of the flora in Tatarstan, Russia. The wild medicinal flora of Tatarstan includes 357 species, 9.5% of which have the status of protected plants. In Tatarstan, the protected species belonging to the subkingdom Higher spore plants are represented by two classes, two families and three genera. Protected Seed plants include Gymnosperms, represented by one class and one family, but the basis of the flora is formed by Angiosperms, including two classes, 15 families and 30 species. The most numerous families of rare plants in Tatarstan are Orchidaceae and Ericaceae. All representatives of this family are tuberiferous plants. Limited vegetative propagation leads to the reduction in species abundance. Plants of the family Ericaceae are confined to the ecological-cenotic group of oligotrophic plants, the distribution of which is associated with rare communities of sphagnum bogs. In general, on the territory Tatarstan, the composition of protected medicinal plants is dominated by wetland species. Among rare plants, more than 40% are located on the border of their range. However, the most common limiting factor for rare and endangered species is the direct or indirect influence of human activities on the natural habitats of medicinal plants.

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Zhu, Hongjuan, Dan He, Xialan Cheng, Liufeng Chen, Zhenyuan Zhang, Yi Tang, Jing Yu, and Dongmei Yang. "Unveiling Distribution Patterns and Community Characteristics of Rare and Endangered Plants in the Sanya River Basin, China." Forests 14, no. 2 (January 18, 2023): 176. http://dx.doi.org/10.3390/f14020176.

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Wetlands have an important ecological function and economic value. However, with economic development and urban expansion, wetland plants have suffered serious damage. Rare and endangered plants are “thermometers” that reflect the health processes of their ecosystems. To better protect the wetlands in Sanya, China, we systematically investigated and analyzed the species, quantities, distributions, and community characteristics of the rare and endangered plants in the Sanya River basin using the sample and sample strip methods. We established a total of 152 quadrats, of which 46 contained rare and endangered plants. We identified 27 rare and endangered plants that mainly appeared in the tree and shrub layers. The dominant families and genera of the community were evident. However, the proportion of families and genera with fewer or single species was high, indicating that the species composition of the community is complex, and the plant species diversity is rich. The dominant species in each layer of the community were evident, and the rare and endangered plants are occasional species of the community. The community similarity in the urban areas was high, indicating that the rare and endangered plants in these areas require highly homogenous habitats. The community similarity in the suburbs was low, indicating that the rare and endangered plants in these areas are highly adaptable to different habitats. Threat factors and vegetation coverage degree had a significant impact on the number of species and population size of rare and endangered plants. Finally, according to our study and IUCN classification criteria for the endangered levels, Sonneratia × gulngai meets the CR (Critical Endangered) assessment criteria, thus we recommend upgrading it to the endangered level from VU (Vulnerable).

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Peabody, Frederick. "Rare Plants of Bryce Canyon National Park, Utah." UW National Parks Service Research Station Annual Reports 15 (January 1, 1991): 61–63. http://dx.doi.org/10.13001/uwnpsrc.1991.2969.

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A literature survey has been completed in order to determine plant species that have been considered rare, and also plant species that are potentially rare. Dr. Stan Welsh of the Botany and Range Science Department of Brigham Young University (Provo, Utah) was contacted personally during the field season. His experience in the region has provided a list of additional species that are considered rare for the state of Utah and occur on specific sites near the National Park (Table 1). It is possible that these additional rare species may occur within the boundaries of the park.

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Milbar Gamas, Adhi Wicak, Anita Sari Wardani, Rina Firliana, M Najibuloh Muzzaki, Sucipto, M Iqbal Khalid, Shandy Arshad Busro Cahyono, and Heru Stiawan. "Desain User Interface Website Pemetaan Tanaman Obat Dan Langka Di Kabupaten Kediri Dengan Menggunakan Figma." Bulletin of Information Technology (BIT) 3, no. 4 (December 25, 2022): 281–88. http://dx.doi.org/10.47065/bit.v3i4.377.

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The potential of medicinal and rare plants in Kediri Regency is quite large with the supportive topography of the area. However, information about these rare and medicinal plants is not widely known by the general public. The Kediri Regency Government (Balitbangda – Regional Research and Development Agency) is collaborating with Nusantara University PGRI to develop a website for mapping medicinal and rare plants in Kediri Regency. To realize the mapping website, it is necessary to design a user interface from a prototype website for mapping medicinal and rare plants. The design of the prototype uses the design thinking method. This research produces a website prototype for mapping medicinal and rare plants. The results of user assessments of the website prototype design show that 30% rate it very well, 46% rate it good, 21% rate it quite well and 3% rate it less well

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Afrianingsih, Sri, I. Ketut Ginantra, and I. Ketut Muksin. "JENIS-JENIS TANAMAN DAN PENGELOLAAN DI HOTEL BERBINTANG KAWASAN PARIWISATA UBUD." SIMBIOSIS 7, no. 2 (September 30, 2019): 10. http://dx.doi.org/10.24843/jsimbiosis.2019.v07.i02.p02.

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This research is aimed to determine plants species in 3 hotels, by grouping them into rare plants, medicinal plants, water-saving plants and how to manage them. The sample was obtained by a simple random sampling technique on the entire starred hotels in Ubud. The hotels which are the object of research are the Four Seasons, Maya Ubud, and The Royal Pita Maha. Data collection is done by doing observation, literature study, document checking and interviews. The type of data used is quantitative and qualitative data with the types of data sources are primary and secondary. Data analysis which used in this study are descriptive qualitative and quantitative. The results of this research in Four Seasons hotel are found 38 plants species from 24 families which 17 species grouped into rare / protected plants, 14 medicinal plants species and 15 water-saving plants species. Next, in the Maya Ubud hotel found 48 plants species from 27 families which grouped into 26 species of rare / protected plants, 15 medicinal plants species and 18 water-saving plants. The last, at The Royal Pita Maha hotel found 45 plants species from 24 families which grouped into 27 rare / protected plants species , 8 medicinal plants species and 21 water-saving plants. Plants management method of those hotels is loose ground, selecting superior seeds, cleaning weeds, using organic fertilizers, pest controlling, and arranging watering schedules.

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Sapelin, A. Yu. "Rare species of woody plants in Moscow landscaping." FORESTRY BULLETIN 25, no. 2 (April 2021): 73–80. http://dx.doi.org/10.18698/2542-1468-2021-2-73-80.

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The article presents the results of long-term surveys of urban green spaces (Moscow) with the allocation of rare tree species. We consider rare tree species to be those that can be placed as points on the city map and can be counted individually depending on the number of specimens presented. This study did not take into account rare specimens available in arboretums, Botanical gardens, and other scientific collections in the city, but only those that are available in public places. Private gardens were also not considered, but only those that have free access to public spaces were considered. After identifying rare species, their sanitary and aesthetic condition was determined and conclusions were made about the prospects for their use in other landscaping objects.

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Lyubinska, L. G., and L. S. Yuglichek. "Rare Species of Plants of the Khmelnytsk Area." Visnyk of Kamianets-Podilskyi Ivan Ohiienko National University.Series Ecology, no. 4 (December 12, 2019): 78–85. http://dx.doi.org/10.32626/2519-8955.2019-4.78-85.

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Tuttu, Gamze, Gökhan Abay, and Şinasi Yıldırımlı. "Endemic and Rare Plants of Tosya District (Kastamonu)." Journal of Anatolian Environmental and Animal Sciences 4, no. 1 (April 30, 2019): 48–52. http://dx.doi.org/10.35229/jaes.535559.

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Tiehm, Arnold, and Thomas S. Elias. "Conservation and Management of Rare and Endangered Plants." Brittonia 40, no. 2 (April 1988): 240. http://dx.doi.org/10.2307/2807014.

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Lesica, Peter, Raymond Yurkewycz, and Elizabeth E. Crone. "Rare plants are common where you find them." American Journal of Botany 93, no. 3 (March 2006): 454–59. http://dx.doi.org/10.3732/ajb.93.3.454.

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Keymanesh, K., J. Hamedi, S. Moradi, F. Mohammadip, and S. Sardari. "Antibacterial, Antifungal and Toxicity of Rare Iranian Plants." International Journal of Pharmacology 5, no. 1 (December 15, 2008): 81–85. http://dx.doi.org/10.3923/ijp.2009.81.85.

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Lei, Wang, Shi Shi, Liao Wenbo, Chen Chunquan, and Li Zhen. "Rare and endangered plants in Mount Jinggangshan region." Biodiversity Science 21, no. 2 (December 23, 2013): 163–69. http://dx.doi.org/10.3724/sp.j.1003.2013.07210.

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47

Froend, Ray. "Rare or Threatened Australian Plants: 1995 Revised Edition." Pacific Conservation Biology 3, no. 4 (1997): 404. http://dx.doi.org/10.1071/pc980404.

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The future of Australia's flora is dependent upon developing an understanding within the community and management of the need for conservation. A vital ingredient in achieving this understanding is the provision of accurate information on how many species are threatened or have already become extinct. Rare or Threatened Australian Plants (ROTAP): 1995 Revised Edition fulfils such a need and represents an up to date list of taxa that are presumed extinct, endangered, vulnerable, rare or poorly known at the national level.

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Davis, Stephen, and Thomas S. Elias. "Conservation and Management of Rare and Endangered Plants." Kew Bulletin 44, no. 2 (1989): 374. http://dx.doi.org/10.2307/4110815.

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Lesica, Peter, and Helen E. Atthowe. "Should We Use Pesticides to Conserve Rare Plants?" Conservation Biology 14, no. 5 (October 18, 2000): 1549–50. http://dx.doi.org/10.1046/j.1523-1739.2000.00021.x.

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Schwartz, Mark W., Lacy M. Smith, and Zachary L. Steel. "Conservation Investment for Rare Plants in Urban Environments." PLoS ONE 8, no. 12 (December 31, 2013): e83809. http://dx.doi.org/10.1371/journal.pone.0083809.

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